diff --git a/library/ecp.c b/library/ecp.c
index b6ed60a..d9d5425 100644
--- a/library/ecp.c
+++ b/library/ecp.c
@@ -112,7 +112,7 @@
 /*
  * Set ecp_max_ops
  */
-void mbedtls_ecp_set_max_ops( unsigned max_ops )
+void mbedtls_ecp_set_max_ops(unsigned max_ops)
 {
     ecp_max_ops = max_ops;
 }
@@ -120,16 +120,15 @@
 /*
  * Check if restart is enabled
  */
-int mbedtls_ecp_restart_is_enabled( void )
+int mbedtls_ecp_restart_is_enabled(void)
 {
-    return( ecp_max_ops != 0 );
+    return ecp_max_ops != 0;
 }
 
 /*
  * Restart sub-context for ecp_mul_comb()
  */
-struct mbedtls_ecp_restart_mul
-{
+struct mbedtls_ecp_restart_mul {
     mbedtls_ecp_point R;    /* current intermediate result                  */
     size_t i;               /* current index in various loops, 0 outside    */
     mbedtls_ecp_point *T;   /* table for precomputed points                 */
@@ -148,9 +147,9 @@
 /*
  * Init restart_mul sub-context
  */
-static void ecp_restart_rsm_init( mbedtls_ecp_restart_mul_ctx *ctx )
+static void ecp_restart_rsm_init(mbedtls_ecp_restart_mul_ctx *ctx)
 {
-    mbedtls_ecp_point_init( &ctx->R );
+    mbedtls_ecp_point_init(&ctx->R);
     ctx->i = 0;
     ctx->T = NULL;
     ctx->T_size = 0;
@@ -160,30 +159,30 @@
 /*
  * Free the components of a restart_mul sub-context
  */
-static void ecp_restart_rsm_free( mbedtls_ecp_restart_mul_ctx *ctx )
+static void ecp_restart_rsm_free(mbedtls_ecp_restart_mul_ctx *ctx)
 {
     unsigned char i;
 
-    if( ctx == NULL )
+    if (ctx == NULL) {
         return;
-
-    mbedtls_ecp_point_free( &ctx->R );
-
-    if( ctx->T != NULL )
-    {
-        for( i = 0; i < ctx->T_size; i++ )
-            mbedtls_ecp_point_free( ctx->T + i );
-        mbedtls_free( ctx->T );
     }
 
-    ecp_restart_rsm_init( ctx );
+    mbedtls_ecp_point_free(&ctx->R);
+
+    if (ctx->T != NULL) {
+        for (i = 0; i < ctx->T_size; i++) {
+            mbedtls_ecp_point_free(ctx->T + i);
+        }
+        mbedtls_free(ctx->T);
+    }
+
+    ecp_restart_rsm_init(ctx);
 }
 
 /*
  * Restart context for ecp_muladd()
  */
-struct mbedtls_ecp_restart_muladd
-{
+struct mbedtls_ecp_restart_muladd {
     mbedtls_ecp_point mP;       /* mP value                             */
     mbedtls_ecp_point R;        /* R intermediate result                */
     enum {                      /* what should we do next?              */
@@ -197,31 +196,32 @@
 /*
  * Init restart_muladd sub-context
  */
-static void ecp_restart_ma_init( mbedtls_ecp_restart_muladd_ctx *ctx )
+static void ecp_restart_ma_init(mbedtls_ecp_restart_muladd_ctx *ctx)
 {
-    mbedtls_ecp_point_init( &ctx->mP );
-    mbedtls_ecp_point_init( &ctx->R );
+    mbedtls_ecp_point_init(&ctx->mP);
+    mbedtls_ecp_point_init(&ctx->R);
     ctx->state = ecp_rsma_mul1;
 }
 
 /*
  * Free the components of a restart_muladd sub-context
  */
-static void ecp_restart_ma_free( mbedtls_ecp_restart_muladd_ctx *ctx )
+static void ecp_restart_ma_free(mbedtls_ecp_restart_muladd_ctx *ctx)
 {
-    if( ctx == NULL )
+    if (ctx == NULL) {
         return;
+    }
 
-    mbedtls_ecp_point_free( &ctx->mP );
-    mbedtls_ecp_point_free( &ctx->R );
+    mbedtls_ecp_point_free(&ctx->mP);
+    mbedtls_ecp_point_free(&ctx->R);
 
-    ecp_restart_ma_init( ctx );
+    ecp_restart_ma_init(ctx);
 }
 
 /*
  * Initialize a restart context
  */
-void mbedtls_ecp_restart_init( mbedtls_ecp_restart_ctx *ctx )
+void mbedtls_ecp_restart_init(mbedtls_ecp_restart_ctx *ctx)
 {
     ctx->ops_done = 0;
     ctx->depth = 0;
@@ -232,104 +232,106 @@
 /*
  * Free the components of a restart context
  */
-void mbedtls_ecp_restart_free( mbedtls_ecp_restart_ctx *ctx )
+void mbedtls_ecp_restart_free(mbedtls_ecp_restart_ctx *ctx)
 {
-    if( ctx == NULL )
+    if (ctx == NULL) {
         return;
+    }
 
-    ecp_restart_rsm_free( ctx->rsm );
-    mbedtls_free( ctx->rsm );
+    ecp_restart_rsm_free(ctx->rsm);
+    mbedtls_free(ctx->rsm);
 
-    ecp_restart_ma_free( ctx->ma );
-    mbedtls_free( ctx->ma );
+    ecp_restart_ma_free(ctx->ma);
+    mbedtls_free(ctx->ma);
 
-    mbedtls_ecp_restart_init( ctx );
+    mbedtls_ecp_restart_init(ctx);
 }
 
 /*
  * Check if we can do the next step
  */
-int mbedtls_ecp_check_budget( const mbedtls_ecp_group *grp,
-                              mbedtls_ecp_restart_ctx *rs_ctx,
-                              unsigned ops )
+int mbedtls_ecp_check_budget(const mbedtls_ecp_group *grp,
+                             mbedtls_ecp_restart_ctx *rs_ctx,
+                             unsigned ops)
 {
-    if( rs_ctx != NULL && ecp_max_ops != 0 )
-    {
+    if (rs_ctx != NULL && ecp_max_ops != 0) {
         /* scale depending on curve size: the chosen reference is 256-bit,
          * and multiplication is quadratic. Round to the closest integer. */
-        if( grp->pbits >= 512 )
+        if (grp->pbits >= 512) {
             ops *= 4;
-        else if( grp->pbits >= 384 )
+        } else if (grp->pbits >= 384) {
             ops *= 2;
+        }
 
         /* Avoid infinite loops: always allow first step.
          * Because of that, however, it's not generally true
          * that ops_done <= ecp_max_ops, so the check
          * ops_done > ecp_max_ops below is mandatory. */
-        if( ( rs_ctx->ops_done != 0 ) &&
-            ( rs_ctx->ops_done > ecp_max_ops ||
-              ops > ecp_max_ops - rs_ctx->ops_done ) )
-        {
-            return( MBEDTLS_ERR_ECP_IN_PROGRESS );
+        if ((rs_ctx->ops_done != 0) &&
+            (rs_ctx->ops_done > ecp_max_ops ||
+             ops > ecp_max_ops - rs_ctx->ops_done)) {
+            return MBEDTLS_ERR_ECP_IN_PROGRESS;
         }
 
         /* update running count */
         rs_ctx->ops_done += ops;
     }
 
-    return( 0 );
+    return 0;
 }
 
 /* Call this when entering a function that needs its own sub-context */
-#define ECP_RS_ENTER( SUB )   do {                                      \
-    /* reset ops count for this call if top-level */                    \
-    if( rs_ctx != NULL && rs_ctx->depth++ == 0 )                        \
+#define ECP_RS_ENTER(SUB)   do {                                      \
+        /* reset ops count for this call if top-level */                    \
+        if (rs_ctx != NULL && rs_ctx->depth++ == 0)                        \
         rs_ctx->ops_done = 0;                                           \
                                                                         \
-    /* set up our own sub-context if needed */                          \
-    if( mbedtls_ecp_restart_is_enabled() &&                             \
-        rs_ctx != NULL && rs_ctx->SUB == NULL )                         \
-    {                                                                   \
-        rs_ctx->SUB = mbedtls_calloc( 1, sizeof( *rs_ctx->SUB ) );      \
-        if( rs_ctx->SUB == NULL )                                       \
-            return( MBEDTLS_ERR_ECP_ALLOC_FAILED );                     \
-                                                                        \
-        ecp_restart_## SUB ##_init( rs_ctx->SUB );                      \
-    }                                                                   \
-} while( 0 )
+        /* set up our own sub-context if needed */                          \
+        if (mbedtls_ecp_restart_is_enabled() &&                             \
+            rs_ctx != NULL && rs_ctx->SUB == NULL)                         \
+        {                                                                   \
+            rs_ctx->SUB = mbedtls_calloc(1, sizeof(*rs_ctx->SUB));      \
+            if (rs_ctx->SUB == NULL)                                       \
+            return MBEDTLS_ERR_ECP_ALLOC_FAILED;                     \
+                                                                      \
+            ecp_restart_## SUB ##_init(rs_ctx->SUB);                      \
+        }                                                                   \
+} while (0)
 
 /* Call this when leaving a function that needs its own sub-context */
-#define ECP_RS_LEAVE( SUB )   do {                                      \
-    /* clear our sub-context when not in progress (done or error) */    \
-    if( rs_ctx != NULL && rs_ctx->SUB != NULL &&                        \
-        ret != MBEDTLS_ERR_ECP_IN_PROGRESS )                            \
-    {                                                                   \
-        ecp_restart_## SUB ##_free( rs_ctx->SUB );                      \
-        mbedtls_free( rs_ctx->SUB );                                    \
-        rs_ctx->SUB = NULL;                                             \
-    }                                                                   \
+#define ECP_RS_LEAVE(SUB)   do {                                      \
+        /* clear our sub-context when not in progress (done or error) */    \
+        if (rs_ctx != NULL && rs_ctx->SUB != NULL &&                        \
+            ret != MBEDTLS_ERR_ECP_IN_PROGRESS)                            \
+        {                                                                   \
+            ecp_restart_## SUB ##_free(rs_ctx->SUB);                      \
+            mbedtls_free(rs_ctx->SUB);                                    \
+            rs_ctx->SUB = NULL;                                             \
+        }                                                                   \
                                                                         \
-    if( rs_ctx != NULL )                                                \
+        if (rs_ctx != NULL)                                                \
         rs_ctx->depth--;                                                \
-} while( 0 )
+} while (0)
 
 #else /* MBEDTLS_ECP_RESTARTABLE */
 
-#define ECP_RS_ENTER( sub )     (void) rs_ctx;
-#define ECP_RS_LEAVE( sub )     (void) rs_ctx;
+#define ECP_RS_ENTER(sub)     (void) rs_ctx;
+#define ECP_RS_LEAVE(sub)     (void) rs_ctx;
 
 #endif /* MBEDTLS_ECP_RESTARTABLE */
 
-static void mpi_init_many( mbedtls_mpi *arr, size_t size )
+static void mpi_init_many(mbedtls_mpi *arr, size_t size)
 {
-    while( size-- )
-        mbedtls_mpi_init( arr++ );
+    while (size--) {
+        mbedtls_mpi_init(arr++);
+    }
 }
 
-static void mpi_free_many( mbedtls_mpi *arr, size_t size )
+static void mpi_free_many(mbedtls_mpi *arr, size_t size)
 {
-    while( size-- )
-        mbedtls_mpi_free( arr++ );
+    while (size--) {
+        mbedtls_mpi_free(arr++);
+    }
 }
 
 /*
@@ -388,35 +390,33 @@
     { MBEDTLS_ECP_DP_NONE,          0,     0,      NULL                },
 };
 
-#define ECP_NB_CURVES   sizeof( ecp_supported_curves ) /    \
-                        sizeof( ecp_supported_curves[0] )
+#define ECP_NB_CURVES   sizeof(ecp_supported_curves) /    \
+    sizeof(ecp_supported_curves[0])
 
 static mbedtls_ecp_group_id ecp_supported_grp_id[ECP_NB_CURVES];
 
 /*
  * List of supported curves and associated info
  */
-const mbedtls_ecp_curve_info *mbedtls_ecp_curve_list( void )
+const mbedtls_ecp_curve_info *mbedtls_ecp_curve_list(void)
 {
-    return( ecp_supported_curves );
+    return ecp_supported_curves;
 }
 
 /*
  * List of supported curves, group ID only
  */
-const mbedtls_ecp_group_id *mbedtls_ecp_grp_id_list( void )
+const mbedtls_ecp_group_id *mbedtls_ecp_grp_id_list(void)
 {
     static int init_done = 0;
 
-    if( ! init_done )
-    {
+    if (!init_done) {
         size_t i = 0;
         const mbedtls_ecp_curve_info *curve_info;
 
-        for( curve_info = mbedtls_ecp_curve_list();
+        for (curve_info = mbedtls_ecp_curve_list();
              curve_info->grp_id != MBEDTLS_ECP_DP_NONE;
-             curve_info++ )
-        {
+             curve_info++) {
             ecp_supported_grp_id[i++] = curve_info->grp_id;
         }
         ecp_supported_grp_id[i] = MBEDTLS_ECP_DP_NONE;
@@ -424,101 +424,104 @@
         init_done = 1;
     }
 
-    return( ecp_supported_grp_id );
+    return ecp_supported_grp_id;
 }
 
 /*
  * Get the curve info for the internal identifier
  */
-const mbedtls_ecp_curve_info *mbedtls_ecp_curve_info_from_grp_id( mbedtls_ecp_group_id grp_id )
+const mbedtls_ecp_curve_info *mbedtls_ecp_curve_info_from_grp_id(mbedtls_ecp_group_id grp_id)
 {
     const mbedtls_ecp_curve_info *curve_info;
 
-    for( curve_info = mbedtls_ecp_curve_list();
+    for (curve_info = mbedtls_ecp_curve_list();
          curve_info->grp_id != MBEDTLS_ECP_DP_NONE;
-         curve_info++ )
-    {
-        if( curve_info->grp_id == grp_id )
-            return( curve_info );
+         curve_info++) {
+        if (curve_info->grp_id == grp_id) {
+            return curve_info;
+        }
     }
 
-    return( NULL );
+    return NULL;
 }
 
 /*
  * Get the curve info from the TLS identifier
  */
-const mbedtls_ecp_curve_info *mbedtls_ecp_curve_info_from_tls_id( uint16_t tls_id )
+const mbedtls_ecp_curve_info *mbedtls_ecp_curve_info_from_tls_id(uint16_t tls_id)
 {
     const mbedtls_ecp_curve_info *curve_info;
 
-    for( curve_info = mbedtls_ecp_curve_list();
+    for (curve_info = mbedtls_ecp_curve_list();
          curve_info->grp_id != MBEDTLS_ECP_DP_NONE;
-         curve_info++ )
-    {
-        if( curve_info->tls_id == tls_id )
-            return( curve_info );
+         curve_info++) {
+        if (curve_info->tls_id == tls_id) {
+            return curve_info;
+        }
     }
 
-    return( NULL );
+    return NULL;
 }
 
 /*
  * Get the curve info from the name
  */
-const mbedtls_ecp_curve_info *mbedtls_ecp_curve_info_from_name( const char *name )
+const mbedtls_ecp_curve_info *mbedtls_ecp_curve_info_from_name(const char *name)
 {
     const mbedtls_ecp_curve_info *curve_info;
 
-    if( name == NULL )
-        return( NULL );
-
-    for( curve_info = mbedtls_ecp_curve_list();
-         curve_info->grp_id != MBEDTLS_ECP_DP_NONE;
-         curve_info++ )
-    {
-        if( strcmp( curve_info->name, name ) == 0 )
-            return( curve_info );
+    if (name == NULL) {
+        return NULL;
     }
 
-    return( NULL );
+    for (curve_info = mbedtls_ecp_curve_list();
+         curve_info->grp_id != MBEDTLS_ECP_DP_NONE;
+         curve_info++) {
+        if (strcmp(curve_info->name, name) == 0) {
+            return curve_info;
+        }
+    }
+
+    return NULL;
 }
 
 /*
  * Get the type of a curve
  */
-mbedtls_ecp_curve_type mbedtls_ecp_get_type( const mbedtls_ecp_group *grp )
+mbedtls_ecp_curve_type mbedtls_ecp_get_type(const mbedtls_ecp_group *grp)
 {
-    if( grp->G.X.p == NULL )
-        return( MBEDTLS_ECP_TYPE_NONE );
+    if (grp->G.X.p == NULL) {
+        return MBEDTLS_ECP_TYPE_NONE;
+    }
 
-    if( grp->G.Y.p == NULL )
-        return( MBEDTLS_ECP_TYPE_MONTGOMERY );
-    else
-        return( MBEDTLS_ECP_TYPE_SHORT_WEIERSTRASS );
+    if (grp->G.Y.p == NULL) {
+        return MBEDTLS_ECP_TYPE_MONTGOMERY;
+    } else {
+        return MBEDTLS_ECP_TYPE_SHORT_WEIERSTRASS;
+    }
 }
 
 /*
  * Initialize (the components of) a point
  */
-void mbedtls_ecp_point_init( mbedtls_ecp_point *pt )
+void mbedtls_ecp_point_init(mbedtls_ecp_point *pt)
 {
-    mbedtls_mpi_init( &pt->X );
-    mbedtls_mpi_init( &pt->Y );
-    mbedtls_mpi_init( &pt->Z );
+    mbedtls_mpi_init(&pt->X);
+    mbedtls_mpi_init(&pt->Y);
+    mbedtls_mpi_init(&pt->Z);
 }
 
 /*
  * Initialize (the components of) a group
  */
-void mbedtls_ecp_group_init( mbedtls_ecp_group *grp )
+void mbedtls_ecp_group_init(mbedtls_ecp_group *grp)
 {
     grp->id = MBEDTLS_ECP_DP_NONE;
-    mbedtls_mpi_init( &grp->P );
-    mbedtls_mpi_init( &grp->A );
-    mbedtls_mpi_init( &grp->B );
-    mbedtls_ecp_point_init( &grp->G );
-    mbedtls_mpi_init( &grp->N );
+    mbedtls_mpi_init(&grp->P);
+    mbedtls_mpi_init(&grp->A);
+    mbedtls_mpi_init(&grp->B);
+    mbedtls_ecp_point_init(&grp->G);
+    mbedtls_mpi_init(&grp->N);
     grp->pbits = 0;
     grp->nbits = 0;
     grp->h = 0;
@@ -533,30 +536,32 @@
 /*
  * Initialize (the components of) a key pair
  */
-void mbedtls_ecp_keypair_init( mbedtls_ecp_keypair *key )
+void mbedtls_ecp_keypair_init(mbedtls_ecp_keypair *key)
 {
-    mbedtls_ecp_group_init( &key->grp );
-    mbedtls_mpi_init( &key->d );
-    mbedtls_ecp_point_init( &key->Q );
+    mbedtls_ecp_group_init(&key->grp);
+    mbedtls_mpi_init(&key->d);
+    mbedtls_ecp_point_init(&key->Q);
 }
 
 /*
  * Unallocate (the components of) a point
  */
-void mbedtls_ecp_point_free( mbedtls_ecp_point *pt )
+void mbedtls_ecp_point_free(mbedtls_ecp_point *pt)
 {
-    if( pt == NULL )
+    if (pt == NULL) {
         return;
+    }
 
-    mbedtls_mpi_free( &( pt->X ) );
-    mbedtls_mpi_free( &( pt->Y ) );
-    mbedtls_mpi_free( &( pt->Z ) );
+    mbedtls_mpi_free(&(pt->X));
+    mbedtls_mpi_free(&(pt->Y));
+    mbedtls_mpi_free(&(pt->Z));
 }
 
 /*
  * Check that the comb table (grp->T) is static initialized.
  */
-static int ecp_group_is_static_comb_table( const mbedtls_ecp_group *grp ) {
+static int ecp_group_is_static_comb_table(const mbedtls_ecp_group *grp)
+{
 #if MBEDTLS_ECP_FIXED_POINT_OPTIM == 1
     return grp->T != NULL && grp->T_size == 0;
 #else
@@ -568,268 +573,268 @@
 /*
  * Unallocate (the components of) a group
  */
-void mbedtls_ecp_group_free( mbedtls_ecp_group *grp )
+void mbedtls_ecp_group_free(mbedtls_ecp_group *grp)
 {
     size_t i;
 
-    if( grp == NULL )
+    if (grp == NULL) {
         return;
-
-    if( grp->h != 1 )
-    {
-        mbedtls_mpi_free( &grp->P );
-        mbedtls_mpi_free( &grp->A );
-        mbedtls_mpi_free( &grp->B );
-        mbedtls_ecp_point_free( &grp->G );
-        mbedtls_mpi_free( &grp->N );
     }
 
-    if( !ecp_group_is_static_comb_table(grp) && grp->T != NULL )
-    {
-        for( i = 0; i < grp->T_size; i++ )
-            mbedtls_ecp_point_free( &grp->T[i] );
-        mbedtls_free( grp->T );
+    if (grp->h != 1) {
+        mbedtls_mpi_free(&grp->P);
+        mbedtls_mpi_free(&grp->A);
+        mbedtls_mpi_free(&grp->B);
+        mbedtls_ecp_point_free(&grp->G);
+        mbedtls_mpi_free(&grp->N);
     }
 
-    mbedtls_platform_zeroize( grp, sizeof( mbedtls_ecp_group ) );
+    if (!ecp_group_is_static_comb_table(grp) && grp->T != NULL) {
+        for (i = 0; i < grp->T_size; i++) {
+            mbedtls_ecp_point_free(&grp->T[i]);
+        }
+        mbedtls_free(grp->T);
+    }
+
+    mbedtls_platform_zeroize(grp, sizeof(mbedtls_ecp_group));
 }
 
 /*
  * Unallocate (the components of) a key pair
  */
-void mbedtls_ecp_keypair_free( mbedtls_ecp_keypair *key )
+void mbedtls_ecp_keypair_free(mbedtls_ecp_keypair *key)
 {
-    if( key == NULL )
+    if (key == NULL) {
         return;
+    }
 
-    mbedtls_ecp_group_free( &key->grp );
-    mbedtls_mpi_free( &key->d );
-    mbedtls_ecp_point_free( &key->Q );
+    mbedtls_ecp_group_free(&key->grp);
+    mbedtls_mpi_free(&key->d);
+    mbedtls_ecp_point_free(&key->Q);
 }
 
 /*
  * Copy the contents of a point
  */
-int mbedtls_ecp_copy( mbedtls_ecp_point *P, const mbedtls_ecp_point *Q )
+int mbedtls_ecp_copy(mbedtls_ecp_point *P, const mbedtls_ecp_point *Q)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    MBEDTLS_MPI_CHK( mbedtls_mpi_copy( &P->X, &Q->X ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_copy( &P->Y, &Q->Y ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_copy( &P->Z, &Q->Z ) );
+    MBEDTLS_MPI_CHK(mbedtls_mpi_copy(&P->X, &Q->X));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_copy(&P->Y, &Q->Y));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_copy(&P->Z, &Q->Z));
 
 cleanup:
-    return( ret );
+    return ret;
 }
 
 /*
  * Copy the contents of a group object
  */
-int mbedtls_ecp_group_copy( mbedtls_ecp_group *dst, const mbedtls_ecp_group *src )
+int mbedtls_ecp_group_copy(mbedtls_ecp_group *dst, const mbedtls_ecp_group *src)
 {
-    return( mbedtls_ecp_group_load( dst, src->id ) );
+    return mbedtls_ecp_group_load(dst, src->id);
 }
 
 /*
  * Set point to zero
  */
-int mbedtls_ecp_set_zero( mbedtls_ecp_point *pt )
+int mbedtls_ecp_set_zero(mbedtls_ecp_point *pt)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    MBEDTLS_MPI_CHK( mbedtls_mpi_lset( &pt->X , 1 ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_lset( &pt->Y , 1 ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_lset( &pt->Z , 0 ) );
+    MBEDTLS_MPI_CHK(mbedtls_mpi_lset(&pt->X, 1));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_lset(&pt->Y, 1));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_lset(&pt->Z, 0));
 
 cleanup:
-    return( ret );
+    return ret;
 }
 
 /*
  * Tell if a point is zero
  */
-int mbedtls_ecp_is_zero( mbedtls_ecp_point *pt )
+int mbedtls_ecp_is_zero(mbedtls_ecp_point *pt)
 {
-    return( mbedtls_mpi_cmp_int( &pt->Z, 0 ) == 0 );
+    return mbedtls_mpi_cmp_int(&pt->Z, 0) == 0;
 }
 
 /*
  * Compare two points lazily
  */
-int mbedtls_ecp_point_cmp( const mbedtls_ecp_point *P,
-                           const mbedtls_ecp_point *Q )
+int mbedtls_ecp_point_cmp(const mbedtls_ecp_point *P,
+                          const mbedtls_ecp_point *Q)
 {
-    if( mbedtls_mpi_cmp_mpi( &P->X, &Q->X ) == 0 &&
-        mbedtls_mpi_cmp_mpi( &P->Y, &Q->Y ) == 0 &&
-        mbedtls_mpi_cmp_mpi( &P->Z, &Q->Z ) == 0 )
-    {
-        return( 0 );
+    if (mbedtls_mpi_cmp_mpi(&P->X, &Q->X) == 0 &&
+        mbedtls_mpi_cmp_mpi(&P->Y, &Q->Y) == 0 &&
+        mbedtls_mpi_cmp_mpi(&P->Z, &Q->Z) == 0) {
+        return 0;
     }
 
-    return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+    return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
 }
 
 /*
  * Import a non-zero point from ASCII strings
  */
-int mbedtls_ecp_point_read_string( mbedtls_ecp_point *P, int radix,
-                           const char *x, const char *y )
+int mbedtls_ecp_point_read_string(mbedtls_ecp_point *P, int radix,
+                                  const char *x, const char *y)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    MBEDTLS_MPI_CHK( mbedtls_mpi_read_string( &P->X, radix, x ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_read_string( &P->Y, radix, y ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_lset( &P->Z, 1 ) );
+    MBEDTLS_MPI_CHK(mbedtls_mpi_read_string(&P->X, radix, x));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_read_string(&P->Y, radix, y));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_lset(&P->Z, 1));
 
 cleanup:
-    return( ret );
+    return ret;
 }
 
 /*
  * Export a point into unsigned binary data (SEC1 2.3.3 and RFC7748)
  */
-int mbedtls_ecp_point_write_binary( const mbedtls_ecp_group *grp,
-                                    const mbedtls_ecp_point *P,
-                                    int format, size_t *olen,
-                                    unsigned char *buf, size_t buflen )
+int mbedtls_ecp_point_write_binary(const mbedtls_ecp_group *grp,
+                                   const mbedtls_ecp_point *P,
+                                   int format, size_t *olen,
+                                   unsigned char *buf, size_t buflen)
 {
     int ret = MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE;
     size_t plen;
-    if( format != MBEDTLS_ECP_PF_UNCOMPRESSED &&
-        format != MBEDTLS_ECP_PF_COMPRESSED )
-        return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+    if (format != MBEDTLS_ECP_PF_UNCOMPRESSED &&
+        format != MBEDTLS_ECP_PF_COMPRESSED) {
+        return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
+    }
 
-    plen = mbedtls_mpi_size( &grp->P );
+    plen = mbedtls_mpi_size(&grp->P);
 
 #if defined(MBEDTLS_ECP_MONTGOMERY_ENABLED)
     (void) format; /* Montgomery curves always use the same point format */
-    if( mbedtls_ecp_get_type( grp ) == MBEDTLS_ECP_TYPE_MONTGOMERY )
-    {
+    if (mbedtls_ecp_get_type(grp) == MBEDTLS_ECP_TYPE_MONTGOMERY) {
         *olen = plen;
-        if( buflen < *olen )
-            return( MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL );
+        if (buflen < *olen) {
+            return MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL;
+        }
 
-        MBEDTLS_MPI_CHK( mbedtls_mpi_write_binary_le( &P->X, buf, plen ) );
+        MBEDTLS_MPI_CHK(mbedtls_mpi_write_binary_le(&P->X, buf, plen));
     }
 #endif
 #if defined(MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED)
-    if( mbedtls_ecp_get_type( grp ) == MBEDTLS_ECP_TYPE_SHORT_WEIERSTRASS )
-    {
+    if (mbedtls_ecp_get_type(grp) == MBEDTLS_ECP_TYPE_SHORT_WEIERSTRASS) {
         /*
          * Common case: P == 0
          */
-        if( mbedtls_mpi_cmp_int( &P->Z, 0 ) == 0 )
-        {
-            if( buflen < 1 )
-                return( MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL );
+        if (mbedtls_mpi_cmp_int(&P->Z, 0) == 0) {
+            if (buflen < 1) {
+                return MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL;
+            }
 
             buf[0] = 0x00;
             *olen = 1;
 
-            return( 0 );
+            return 0;
         }
 
-        if( format == MBEDTLS_ECP_PF_UNCOMPRESSED )
-        {
+        if (format == MBEDTLS_ECP_PF_UNCOMPRESSED) {
             *olen = 2 * plen + 1;
 
-            if( buflen < *olen )
-                return( MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL );
+            if (buflen < *olen) {
+                return MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL;
+            }
 
             buf[0] = 0x04;
-            MBEDTLS_MPI_CHK( mbedtls_mpi_write_binary( &P->X, buf + 1, plen ) );
-            MBEDTLS_MPI_CHK( mbedtls_mpi_write_binary( &P->Y, buf + 1 + plen, plen ) );
-        }
-        else if( format == MBEDTLS_ECP_PF_COMPRESSED )
-        {
+            MBEDTLS_MPI_CHK(mbedtls_mpi_write_binary(&P->X, buf + 1, plen));
+            MBEDTLS_MPI_CHK(mbedtls_mpi_write_binary(&P->Y, buf + 1 + plen, plen));
+        } else if (format == MBEDTLS_ECP_PF_COMPRESSED) {
             *olen = plen + 1;
 
-            if( buflen < *olen )
-                return( MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL );
+            if (buflen < *olen) {
+                return MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL;
+            }
 
-            buf[0] = 0x02 + mbedtls_mpi_get_bit( &P->Y, 0 );
-            MBEDTLS_MPI_CHK( mbedtls_mpi_write_binary( &P->X, buf + 1, plen ) );
+            buf[0] = 0x02 + mbedtls_mpi_get_bit(&P->Y, 0);
+            MBEDTLS_MPI_CHK(mbedtls_mpi_write_binary(&P->X, buf + 1, plen));
         }
     }
 #endif
 
 cleanup:
-    return( ret );
+    return ret;
 }
 
 #if defined(MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED)
-static int mbedtls_ecp_sw_derive_y( const mbedtls_ecp_group *grp,
-                                    const mbedtls_mpi *X,
-                                    mbedtls_mpi *Y,
-                                    int parity_bit );
+static int mbedtls_ecp_sw_derive_y(const mbedtls_ecp_group *grp,
+                                   const mbedtls_mpi *X,
+                                   mbedtls_mpi *Y,
+                                   int parity_bit);
 #endif /* MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED */
 
 /*
  * Import a point from unsigned binary data (SEC1 2.3.4 and RFC7748)
  */
-int mbedtls_ecp_point_read_binary( const mbedtls_ecp_group *grp,
-                                   mbedtls_ecp_point *pt,
-                                   const unsigned char *buf, size_t ilen )
+int mbedtls_ecp_point_read_binary(const mbedtls_ecp_group *grp,
+                                  mbedtls_ecp_point *pt,
+                                  const unsigned char *buf, size_t ilen)
 {
     int ret = MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE;
     size_t plen;
-    if( ilen < 1 )
-        return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+    if (ilen < 1) {
+        return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
+    }
 
-    plen = mbedtls_mpi_size( &grp->P );
+    plen = mbedtls_mpi_size(&grp->P);
 
 #if defined(MBEDTLS_ECP_MONTGOMERY_ENABLED)
-    if( mbedtls_ecp_get_type( grp ) == MBEDTLS_ECP_TYPE_MONTGOMERY )
-    {
-        if( plen != ilen )
-            return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+    if (mbedtls_ecp_get_type(grp) == MBEDTLS_ECP_TYPE_MONTGOMERY) {
+        if (plen != ilen) {
+            return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
+        }
 
-        MBEDTLS_MPI_CHK( mbedtls_mpi_read_binary_le( &pt->X, buf, plen ) );
-        mbedtls_mpi_free( &pt->Y );
+        MBEDTLS_MPI_CHK(mbedtls_mpi_read_binary_le(&pt->X, buf, plen));
+        mbedtls_mpi_free(&pt->Y);
 
-        if( grp->id == MBEDTLS_ECP_DP_CURVE25519 )
+        if (grp->id == MBEDTLS_ECP_DP_CURVE25519) {
             /* Set most significant bit to 0 as prescribed in RFC7748 §5 */
-            MBEDTLS_MPI_CHK( mbedtls_mpi_set_bit( &pt->X, plen * 8 - 1, 0 ) );
+            MBEDTLS_MPI_CHK(mbedtls_mpi_set_bit(&pt->X, plen * 8 - 1, 0));
+        }
 
-        MBEDTLS_MPI_CHK( mbedtls_mpi_lset( &pt->Z, 1 ) );
+        MBEDTLS_MPI_CHK(mbedtls_mpi_lset(&pt->Z, 1));
     }
 #endif
 #if defined(MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED)
-    if( mbedtls_ecp_get_type( grp ) == MBEDTLS_ECP_TYPE_SHORT_WEIERSTRASS )
-    {
-        if( buf[0] == 0x00 )
-        {
-            if( ilen == 1 )
-                return( mbedtls_ecp_set_zero( pt ) );
-            else
-                return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+    if (mbedtls_ecp_get_type(grp) == MBEDTLS_ECP_TYPE_SHORT_WEIERSTRASS) {
+        if (buf[0] == 0x00) {
+            if (ilen == 1) {
+                return mbedtls_ecp_set_zero(pt);
+            } else {
+                return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
+            }
         }
 
-        if( ilen < 1 + plen )
-            return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+        if (ilen < 1 + plen) {
+            return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
+        }
 
-        MBEDTLS_MPI_CHK( mbedtls_mpi_read_binary( &pt->X, buf + 1, plen ) );
-        MBEDTLS_MPI_CHK( mbedtls_mpi_lset( &pt->Z, 1 ) );
+        MBEDTLS_MPI_CHK(mbedtls_mpi_read_binary(&pt->X, buf + 1, plen));
+        MBEDTLS_MPI_CHK(mbedtls_mpi_lset(&pt->Z, 1));
 
-        if( buf[0] == 0x04 )
-        {
+        if (buf[0] == 0x04) {
             /* format == MBEDTLS_ECP_PF_UNCOMPRESSED */
-            if( ilen != 1 + plen * 2 )
-                return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
-            return( mbedtls_mpi_read_binary( &pt->Y, buf + 1 + plen, plen ) );
-        }
-        else if( buf[0] == 0x02 || buf[0] == 0x03 )
-        {
+            if (ilen != 1 + plen * 2) {
+                return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
+            }
+            return mbedtls_mpi_read_binary(&pt->Y, buf + 1 + plen, plen);
+        } else if (buf[0] == 0x02 || buf[0] == 0x03) {
             /* format == MBEDTLS_ECP_PF_COMPRESSED */
-            if( ilen != 1 + plen )
-                return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
-            return( mbedtls_ecp_sw_derive_y( grp, &pt->X, &pt->Y,
-                                             ( buf[0] & 1 ) ) );
+            if (ilen != 1 + plen) {
+                return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
+            }
+            return mbedtls_ecp_sw_derive_y(grp, &pt->X, &pt->Y,
+                                           (buf[0] & 1));
+        } else {
+            return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
         }
-        else
-            return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
     }
 #endif
 
 cleanup:
-    return( ret );
+    return ret;
 }
 
 /*
@@ -838,21 +843,23 @@
  *          opaque point <1..2^8-1>;
  *      } ECPoint;
  */
-int mbedtls_ecp_tls_read_point( const mbedtls_ecp_group *grp,
-                                mbedtls_ecp_point *pt,
-                                const unsigned char **buf, size_t buf_len )
+int mbedtls_ecp_tls_read_point(const mbedtls_ecp_group *grp,
+                               mbedtls_ecp_point *pt,
+                               const unsigned char **buf, size_t buf_len)
 {
     unsigned char data_len;
     const unsigned char *buf_start;
     /*
      * We must have at least two bytes (1 for length, at least one for data)
      */
-    if( buf_len < 2 )
-        return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+    if (buf_len < 2) {
+        return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
+    }
 
     data_len = *(*buf)++;
-    if( data_len < 1 || data_len > buf_len - 1 )
-        return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+    if (data_len < 1 || data_len > buf_len - 1) {
+        return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
+    }
 
     /*
      * Save buffer start for read_binary and update buf
@@ -860,7 +867,7 @@
     buf_start = *buf;
     *buf += data_len;
 
-    return( mbedtls_ecp_point_read_binary( grp, pt, buf_start, data_len ) );
+    return mbedtls_ecp_point_read_binary(grp, pt, buf_start, data_len);
 }
 
 /*
@@ -869,24 +876,27 @@
  *          opaque point <1..2^8-1>;
  *      } ECPoint;
  */
-int mbedtls_ecp_tls_write_point( const mbedtls_ecp_group *grp, const mbedtls_ecp_point *pt,
-                         int format, size_t *olen,
-                         unsigned char *buf, size_t blen )
+int mbedtls_ecp_tls_write_point(const mbedtls_ecp_group *grp, const mbedtls_ecp_point *pt,
+                                int format, size_t *olen,
+                                unsigned char *buf, size_t blen)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    if( format != MBEDTLS_ECP_PF_UNCOMPRESSED &&
-        format != MBEDTLS_ECP_PF_COMPRESSED )
-        return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+    if (format != MBEDTLS_ECP_PF_UNCOMPRESSED &&
+        format != MBEDTLS_ECP_PF_COMPRESSED) {
+        return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
+    }
 
     /*
      * buffer length must be at least one, for our length byte
      */
-    if( blen < 1 )
-        return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+    if (blen < 1) {
+        return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
+    }
 
-    if( ( ret = mbedtls_ecp_point_write_binary( grp, pt, format,
-                    olen, buf + 1, blen - 1) ) != 0 )
-        return( ret );
+    if ((ret = mbedtls_ecp_point_write_binary(grp, pt, format,
+                                              olen, buf + 1, blen - 1)) != 0) {
+        return ret;
+    }
 
     /*
      * write length to the first byte and update total length
@@ -894,43 +904,46 @@
     buf[0] = (unsigned char) *olen;
     ++*olen;
 
-    return( 0 );
+    return 0;
 }
 
 /*
  * Set a group from an ECParameters record (RFC 4492)
  */
-int mbedtls_ecp_tls_read_group( mbedtls_ecp_group *grp,
-                                const unsigned char **buf, size_t len )
+int mbedtls_ecp_tls_read_group(mbedtls_ecp_group *grp,
+                               const unsigned char **buf, size_t len)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     mbedtls_ecp_group_id grp_id;
-    if( ( ret = mbedtls_ecp_tls_read_group_id( &grp_id, buf, len ) ) != 0 )
-        return( ret );
+    if ((ret = mbedtls_ecp_tls_read_group_id(&grp_id, buf, len)) != 0) {
+        return ret;
+    }
 
-    return( mbedtls_ecp_group_load( grp, grp_id ) );
+    return mbedtls_ecp_group_load(grp, grp_id);
 }
 
 /*
  * Read a group id from an ECParameters record (RFC 4492) and convert it to
  * mbedtls_ecp_group_id.
  */
-int mbedtls_ecp_tls_read_group_id( mbedtls_ecp_group_id *grp,
-                                   const unsigned char **buf, size_t len )
+int mbedtls_ecp_tls_read_group_id(mbedtls_ecp_group_id *grp,
+                                  const unsigned char **buf, size_t len)
 {
     uint16_t tls_id;
     const mbedtls_ecp_curve_info *curve_info;
     /*
      * We expect at least three bytes (see below)
      */
-    if( len < 3 )
-        return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+    if (len < 3) {
+        return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
+    }
 
     /*
      * First byte is curve_type; only named_curve is handled
      */
-    if( *(*buf)++ != MBEDTLS_ECP_TLS_NAMED_CURVE )
-        return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+    if (*(*buf)++ != MBEDTLS_ECP_TLS_NAMED_CURVE) {
+        return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
+    }
 
     /*
      * Next two bytes are the namedcurve value
@@ -939,30 +952,33 @@
     tls_id <<= 8;
     tls_id |= *(*buf)++;
 
-    if( ( curve_info = mbedtls_ecp_curve_info_from_tls_id( tls_id ) ) == NULL )
-        return( MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE );
+    if ((curve_info = mbedtls_ecp_curve_info_from_tls_id(tls_id)) == NULL) {
+        return MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE;
+    }
 
     *grp = curve_info->grp_id;
 
-    return( 0 );
+    return 0;
 }
 
 /*
  * Write the ECParameters record corresponding to a group (RFC 4492)
  */
-int mbedtls_ecp_tls_write_group( const mbedtls_ecp_group *grp, size_t *olen,
-                         unsigned char *buf, size_t blen )
+int mbedtls_ecp_tls_write_group(const mbedtls_ecp_group *grp, size_t *olen,
+                                unsigned char *buf, size_t blen)
 {
     const mbedtls_ecp_curve_info *curve_info;
-    if( ( curve_info = mbedtls_ecp_curve_info_from_grp_id( grp->id ) ) == NULL )
-        return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+    if ((curve_info = mbedtls_ecp_curve_info_from_grp_id(grp->id)) == NULL) {
+        return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
+    }
 
     /*
      * We are going to write 3 bytes (see below)
      */
     *olen = 3;
-    if( blen < *olen )
-        return( MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL );
+    if (blen < *olen) {
+        return MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL;
+    }
 
     /*
      * First byte is curve_type, always named_curve
@@ -972,9 +988,9 @@
     /*
      * Next two bytes are the namedcurve value
      */
-    MBEDTLS_PUT_UINT16_BE( curve_info->tls_id, buf, 0 );
+    MBEDTLS_PUT_UINT16_BE(curve_info->tls_id, buf, 0);
 
-    return( 0 );
+    return 0;
 }
 
 /*
@@ -983,32 +999,34 @@
  *
  * This function is in the critial loop for mbedtls_ecp_mul, so pay attention to perf.
  */
-static int ecp_modp( mbedtls_mpi *N, const mbedtls_ecp_group *grp )
+static int ecp_modp(mbedtls_mpi *N, const mbedtls_ecp_group *grp)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 
-    if( grp->modp == NULL )
-        return( mbedtls_mpi_mod_mpi( N, N, &grp->P ) );
-
-    /* N->s < 0 is a much faster test, which fails only if N is 0 */
-    if( ( N->s < 0 && mbedtls_mpi_cmp_int( N, 0 ) != 0 ) ||
-        mbedtls_mpi_bitlen( N ) > 2 * grp->pbits )
-    {
-        return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+    if (grp->modp == NULL) {
+        return mbedtls_mpi_mod_mpi(N, N, &grp->P);
     }
 
-    MBEDTLS_MPI_CHK( grp->modp( N ) );
+    /* N->s < 0 is a much faster test, which fails only if N is 0 */
+    if ((N->s < 0 && mbedtls_mpi_cmp_int(N, 0) != 0) ||
+        mbedtls_mpi_bitlen(N) > 2 * grp->pbits) {
+        return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
+    }
+
+    MBEDTLS_MPI_CHK(grp->modp(N));
 
     /* N->s < 0 is a much faster test, which fails only if N is 0 */
-    while( N->s < 0 && mbedtls_mpi_cmp_int( N, 0 ) != 0 )
-        MBEDTLS_MPI_CHK( mbedtls_mpi_add_mpi( N, N, &grp->P ) );
+    while (N->s < 0 && mbedtls_mpi_cmp_int(N, 0) != 0) {
+        MBEDTLS_MPI_CHK(mbedtls_mpi_add_mpi(N, N, &grp->P));
+    }
 
-    while( mbedtls_mpi_cmp_mpi( N, &grp->P ) >= 0 )
+    while (mbedtls_mpi_cmp_mpi(N, &grp->P) >= 0) {
         /* we known P, N and the result are positive */
-        MBEDTLS_MPI_CHK( mbedtls_mpi_sub_abs( N, N, &grp->P ) );
+        MBEDTLS_MPI_CHK(mbedtls_mpi_sub_abs(N, N, &grp->P));
+    }
 
 cleanup:
-    return( ret );
+    return ret;
 }
 
 /*
@@ -1030,52 +1048,52 @@
 #define INC_MUL_COUNT
 #endif
 
-#define MOD_MUL( N )                                                    \
+#define MOD_MUL(N)                                                    \
     do                                                                  \
     {                                                                   \
-        MBEDTLS_MPI_CHK( ecp_modp( &(N), grp ) );                       \
+        MBEDTLS_MPI_CHK(ecp_modp(&(N), grp));                       \
         INC_MUL_COUNT                                                   \
-    } while( 0 )
+    } while (0)
 
-static inline int mbedtls_mpi_mul_mod( const mbedtls_ecp_group *grp,
-                                       mbedtls_mpi *X,
-                                       const mbedtls_mpi *A,
-                                       const mbedtls_mpi *B )
+static inline int mbedtls_mpi_mul_mod(const mbedtls_ecp_group *grp,
+                                      mbedtls_mpi *X,
+                                      const mbedtls_mpi *A,
+                                      const mbedtls_mpi *B)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    MBEDTLS_MPI_CHK( mbedtls_mpi_mul_mpi( X, A, B ) );
-    MOD_MUL( *X );
+    MBEDTLS_MPI_CHK(mbedtls_mpi_mul_mpi(X, A, B));
+    MOD_MUL(*X);
 cleanup:
-    return( ret );
+    return ret;
 }
 
 /*
  * Reduce a mbedtls_mpi mod p in-place, to use after mbedtls_mpi_sub_mpi
  * N->s < 0 is a very fast test, which fails only if N is 0
  */
-#define MOD_SUB( N )                                                          \
+#define MOD_SUB(N)                                                          \
     do {                                                                      \
-        while( (N)->s < 0 && mbedtls_mpi_cmp_int( (N), 0 ) != 0 )             \
-            MBEDTLS_MPI_CHK( mbedtls_mpi_add_mpi( (N), (N), &grp->P ) );      \
-    } while( 0 )
+        while ((N)->s < 0 && mbedtls_mpi_cmp_int((N), 0) != 0)             \
+        MBEDTLS_MPI_CHK(mbedtls_mpi_add_mpi((N), (N), &grp->P));      \
+    } while (0)
 
-#if ( defined(MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED) && \
-      !( defined(MBEDTLS_ECP_NO_FALLBACK) && \
-         defined(MBEDTLS_ECP_DOUBLE_JAC_ALT) && \
-         defined(MBEDTLS_ECP_ADD_MIXED_ALT) ) ) || \
-    ( defined(MBEDTLS_ECP_MONTGOMERY_ENABLED) && \
-      !( defined(MBEDTLS_ECP_NO_FALLBACK) && \
-         defined(MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT) ) )
-static inline int mbedtls_mpi_sub_mod( const mbedtls_ecp_group *grp,
-                                       mbedtls_mpi *X,
-                                       const mbedtls_mpi *A,
-                                       const mbedtls_mpi *B )
+#if (defined(MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED) && \
+    !(defined(MBEDTLS_ECP_NO_FALLBACK) && \
+    defined(MBEDTLS_ECP_DOUBLE_JAC_ALT) && \
+    defined(MBEDTLS_ECP_ADD_MIXED_ALT))) || \
+    (defined(MBEDTLS_ECP_MONTGOMERY_ENABLED) && \
+    !(defined(MBEDTLS_ECP_NO_FALLBACK) && \
+    defined(MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT)))
+static inline int mbedtls_mpi_sub_mod(const mbedtls_ecp_group *grp,
+                                      mbedtls_mpi *X,
+                                      const mbedtls_mpi *A,
+                                      const mbedtls_mpi *B)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    MBEDTLS_MPI_CHK( mbedtls_mpi_sub_mpi( X, A, B ) );
-    MOD_SUB( X );
+    MBEDTLS_MPI_CHK(mbedtls_mpi_sub_mpi(X, A, B));
+    MOD_SUB(X);
 cleanup:
-    return( ret );
+    return ret;
 }
 #endif /* All functions referencing mbedtls_mpi_sub_mod() are alt-implemented without fallback */
 
@@ -1084,66 +1102,67 @@
  * We known P, N and the result are positive, so sub_abs is correct, and
  * a bit faster.
  */
-#define MOD_ADD( N )                                                   \
-    while( mbedtls_mpi_cmp_mpi( (N), &grp->P ) >= 0 )                  \
-        MBEDTLS_MPI_CHK( mbedtls_mpi_sub_abs( (N), (N), &grp->P ) )
+#define MOD_ADD(N)                                                   \
+    while (mbedtls_mpi_cmp_mpi((N), &grp->P) >= 0)                  \
+    MBEDTLS_MPI_CHK(mbedtls_mpi_sub_abs((N), (N), &grp->P))
 
-static inline int mbedtls_mpi_add_mod( const mbedtls_ecp_group *grp,
-                                       mbedtls_mpi *X,
-                                       const mbedtls_mpi *A,
-                                       const mbedtls_mpi *B )
+static inline int mbedtls_mpi_add_mod(const mbedtls_ecp_group *grp,
+                                      mbedtls_mpi *X,
+                                      const mbedtls_mpi *A,
+                                      const mbedtls_mpi *B)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    MBEDTLS_MPI_CHK( mbedtls_mpi_add_mpi( X, A, B ) );
-    MOD_ADD( X );
+    MBEDTLS_MPI_CHK(mbedtls_mpi_add_mpi(X, A, B));
+    MOD_ADD(X);
 cleanup:
-    return( ret );
+    return ret;
 }
 
-static inline int mbedtls_mpi_mul_int_mod( const mbedtls_ecp_group *grp,
-                                           mbedtls_mpi *X,
-                                           const mbedtls_mpi *A,
-                                           mbedtls_mpi_uint c )
+static inline int mbedtls_mpi_mul_int_mod(const mbedtls_ecp_group *grp,
+                                          mbedtls_mpi *X,
+                                          const mbedtls_mpi *A,
+                                          mbedtls_mpi_uint c)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 
-    MBEDTLS_MPI_CHK( mbedtls_mpi_mul_int( X, A, c ) );
-    MOD_ADD( X );
+    MBEDTLS_MPI_CHK(mbedtls_mpi_mul_int(X, A, c));
+    MOD_ADD(X);
 cleanup:
-    return( ret );
+    return ret;
 }
 
-static inline int mbedtls_mpi_sub_int_mod( const mbedtls_ecp_group *grp,
-                                           mbedtls_mpi *X,
-                                           const mbedtls_mpi *A,
-                                           mbedtls_mpi_uint c )
+static inline int mbedtls_mpi_sub_int_mod(const mbedtls_ecp_group *grp,
+                                          mbedtls_mpi *X,
+                                          const mbedtls_mpi *A,
+                                          mbedtls_mpi_uint c)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 
-    MBEDTLS_MPI_CHK( mbedtls_mpi_sub_int( X, A, c ) );
-    MOD_SUB( X );
+    MBEDTLS_MPI_CHK(mbedtls_mpi_sub_int(X, A, c));
+    MOD_SUB(X);
 cleanup:
-    return( ret );
+    return ret;
 }
 
-#define MPI_ECP_SUB_INT( X, A, c )             \
-    MBEDTLS_MPI_CHK( mbedtls_mpi_sub_int_mod( grp, X, A, c ) )
+#define MPI_ECP_SUB_INT(X, A, c)             \
+    MBEDTLS_MPI_CHK(mbedtls_mpi_sub_int_mod(grp, X, A, c))
 
 #if defined(MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED) && \
-    !( defined(MBEDTLS_ECP_NO_FALLBACK) && \
-       defined(MBEDTLS_ECP_DOUBLE_JAC_ALT) && \
-       defined(MBEDTLS_ECP_ADD_MIXED_ALT) )
-static inline int mbedtls_mpi_shift_l_mod( const mbedtls_ecp_group *grp,
-                                           mbedtls_mpi *X,
-                                           size_t count )
+    !(defined(MBEDTLS_ECP_NO_FALLBACK) && \
+    defined(MBEDTLS_ECP_DOUBLE_JAC_ALT) && \
+    defined(MBEDTLS_ECP_ADD_MIXED_ALT))
+static inline int mbedtls_mpi_shift_l_mod(const mbedtls_ecp_group *grp,
+                                          mbedtls_mpi *X,
+                                          size_t count)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    MBEDTLS_MPI_CHK( mbedtls_mpi_shift_l( X, count ) );
-    MOD_ADD( X );
+    MBEDTLS_MPI_CHK(mbedtls_mpi_shift_l(X, count));
+    MOD_ADD(X);
 cleanup:
-    return( ret );
+    return ret;
 }
-#endif /* All functions referencing mbedtls_mpi_shift_l_mod() are alt-implemented without fallback */
+#endif \
+    /* All functions referencing mbedtls_mpi_shift_l_mod() are alt-implemented without fallback */
 
 /*
  * Macro wrappers around ECP modular arithmetic
@@ -1151,64 +1170,64 @@
  * Currently, these wrappers are defined via the bignum module.
  */
 
-#define MPI_ECP_ADD( X, A, B )                                                  \
-    MBEDTLS_MPI_CHK( mbedtls_mpi_add_mod( grp, X, A, B ) )
+#define MPI_ECP_ADD(X, A, B)                                                  \
+    MBEDTLS_MPI_CHK(mbedtls_mpi_add_mod(grp, X, A, B))
 
-#define MPI_ECP_SUB( X, A, B )                                                  \
-    MBEDTLS_MPI_CHK( mbedtls_mpi_sub_mod( grp, X, A, B ) )
+#define MPI_ECP_SUB(X, A, B)                                                  \
+    MBEDTLS_MPI_CHK(mbedtls_mpi_sub_mod(grp, X, A, B))
 
-#define MPI_ECP_MUL( X, A, B )                                                  \
-    MBEDTLS_MPI_CHK( mbedtls_mpi_mul_mod( grp, X, A, B ) )
+#define MPI_ECP_MUL(X, A, B)                                                  \
+    MBEDTLS_MPI_CHK(mbedtls_mpi_mul_mod(grp, X, A, B))
 
-#define MPI_ECP_SQR( X, A )                                                     \
-    MBEDTLS_MPI_CHK( mbedtls_mpi_mul_mod( grp, X, A, A ) )
+#define MPI_ECP_SQR(X, A)                                                     \
+    MBEDTLS_MPI_CHK(mbedtls_mpi_mul_mod(grp, X, A, A))
 
-#define MPI_ECP_MUL_INT( X, A, c )                                              \
-    MBEDTLS_MPI_CHK( mbedtls_mpi_mul_int_mod( grp, X, A, c ) )
+#define MPI_ECP_MUL_INT(X, A, c)                                              \
+    MBEDTLS_MPI_CHK(mbedtls_mpi_mul_int_mod(grp, X, A, c))
 
-#define MPI_ECP_INV( dst, src )                                                 \
-    MBEDTLS_MPI_CHK( mbedtls_mpi_inv_mod( (dst), (src), &grp->P ) )
+#define MPI_ECP_INV(dst, src)                                                 \
+    MBEDTLS_MPI_CHK(mbedtls_mpi_inv_mod((dst), (src), &grp->P))
 
-#define MPI_ECP_MOV( X, A )                                                     \
-    MBEDTLS_MPI_CHK( mbedtls_mpi_copy( X, A ) )
+#define MPI_ECP_MOV(X, A)                                                     \
+    MBEDTLS_MPI_CHK(mbedtls_mpi_copy(X, A))
 
-#define MPI_ECP_SHIFT_L( X, count )                                             \
-    MBEDTLS_MPI_CHK( mbedtls_mpi_shift_l_mod( grp, X, count ) )
+#define MPI_ECP_SHIFT_L(X, count)                                             \
+    MBEDTLS_MPI_CHK(mbedtls_mpi_shift_l_mod(grp, X, count))
 
-#define MPI_ECP_LSET( X, c )                                                    \
-    MBEDTLS_MPI_CHK( mbedtls_mpi_lset( X, c ) )
+#define MPI_ECP_LSET(X, c)                                                    \
+    MBEDTLS_MPI_CHK(mbedtls_mpi_lset(X, c))
 
-#define MPI_ECP_CMP_INT( X, c )                                                 \
-    mbedtls_mpi_cmp_int( X, c )
+#define MPI_ECP_CMP_INT(X, c)                                                 \
+    mbedtls_mpi_cmp_int(X, c)
 
-#define MPI_ECP_CMP( X, Y )                                                     \
-    mbedtls_mpi_cmp_mpi( X, Y )
+#define MPI_ECP_CMP(X, Y)                                                     \
+    mbedtls_mpi_cmp_mpi(X, Y)
 
 /* Needs f_rng, p_rng to be defined. */
-#define MPI_ECP_RAND( X )                                                       \
-    MBEDTLS_MPI_CHK( mbedtls_mpi_random( (X), 2, &grp->P, f_rng, p_rng ) )
+#define MPI_ECP_RAND(X)                                                       \
+    MBEDTLS_MPI_CHK(mbedtls_mpi_random((X), 2, &grp->P, f_rng, p_rng))
 
 /* Conditional negation
  * Needs grp and a temporary MPI tmp to be defined. */
-#define MPI_ECP_COND_NEG( X, cond )                                        \
+#define MPI_ECP_COND_NEG(X, cond)                                        \
     do                                                                     \
     {                                                                      \
-        unsigned char nonzero = mbedtls_mpi_cmp_int( (X), 0 ) != 0;        \
-        MBEDTLS_MPI_CHK( mbedtls_mpi_sub_mpi( &tmp, &grp->P, (X) ) );      \
-        MBEDTLS_MPI_CHK( mbedtls_mpi_safe_cond_assign( (X), &tmp,          \
-                                                       nonzero & cond ) ); \
-    } while( 0 )
+        unsigned char nonzero = mbedtls_mpi_cmp_int((X), 0) != 0;        \
+        MBEDTLS_MPI_CHK(mbedtls_mpi_sub_mpi(&tmp, &grp->P, (X)));      \
+        MBEDTLS_MPI_CHK(mbedtls_mpi_safe_cond_assign((X), &tmp,          \
+                                                     nonzero & cond)); \
+    } while (0)
 
-#define MPI_ECP_NEG( X ) MPI_ECP_COND_NEG( (X), 1 )
+#define MPI_ECP_NEG(X) MPI_ECP_COND_NEG((X), 1)
 
-#define MPI_ECP_VALID( X )                      \
-    ( (X)->p != NULL )
+#define MPI_ECP_VALID(X)                      \
+    ((X)->p != NULL)
 
-#define MPI_ECP_COND_ASSIGN( X, Y, cond )       \
-    MBEDTLS_MPI_CHK( mbedtls_mpi_safe_cond_assign( (X), (Y), (cond) ) )
+#define MPI_ECP_COND_ASSIGN(X, Y, cond)       \
+    MBEDTLS_MPI_CHK(mbedtls_mpi_safe_cond_assign((X), (Y), (cond)))
 
-#define MPI_ECP_COND_SWAP( X, Y, cond )       \
-    MBEDTLS_MPI_CHK( mbedtls_mpi_safe_cond_swap( (X), (Y), (cond) ) )
+#define MPI_ECP_COND_SWAP(X, Y, cond)       \
+    MBEDTLS_MPI_CHK(mbedtls_mpi_safe_cond_swap((X), (Y), (cond)))
 
 #if defined(MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED)
 
@@ -1216,39 +1235,36 @@
  * Computes the right-hand side of the Short Weierstrass equation
  * RHS = X^3 + A X + B
  */
-static int ecp_sw_rhs( const mbedtls_ecp_group *grp,
-                       mbedtls_mpi *rhs,
-                       const mbedtls_mpi *X )
+static int ecp_sw_rhs(const mbedtls_ecp_group *grp,
+                      mbedtls_mpi *rhs,
+                      const mbedtls_mpi *X)
 {
     int ret;
 
     /* Compute X^3 + A X + B as X (X^2 + A) + B */
-    MPI_ECP_SQR( rhs, X );
+    MPI_ECP_SQR(rhs, X);
 
     /* Special case for A = -3 */
-    if( grp->A.p == NULL )
-    {
-        MPI_ECP_SUB_INT( rhs, rhs, 3 );
-    }
-    else
-    {
-        MPI_ECP_ADD( rhs, rhs, &grp->A );
+    if (grp->A.p == NULL) {
+        MPI_ECP_SUB_INT(rhs, rhs, 3);
+    } else {
+        MPI_ECP_ADD(rhs, rhs, &grp->A);
     }
 
-    MPI_ECP_MUL( rhs, rhs, X  );
-    MPI_ECP_ADD( rhs, rhs, &grp->B );
+    MPI_ECP_MUL(rhs, rhs, X);
+    MPI_ECP_ADD(rhs, rhs, &grp->B);
 
 cleanup:
-    return( ret );
+    return ret;
 }
 
 /*
  * Derive Y from X and a parity bit
  */
-static int mbedtls_ecp_sw_derive_y( const mbedtls_ecp_group *grp,
-                                    const mbedtls_mpi *X,
-                                    mbedtls_mpi *Y,
-                                    int parity_bit )
+static int mbedtls_ecp_sw_derive_y(const mbedtls_ecp_group *grp,
+                                   const mbedtls_mpi *X,
+                                   mbedtls_mpi *Y,
+                                   int parity_bit)
 {
     /* w = y^2 = x^3 + ax + b
      * y = sqrt(w) = w^((p+1)/4) mod p   (for prime p where p = 3 mod 4)
@@ -1259,36 +1275,38 @@
      */
 
     /* Check prerequisite p = 3 mod 4 */
-    if( mbedtls_mpi_get_bit( &grp->P, 0 ) != 1 ||
-        mbedtls_mpi_get_bit( &grp->P, 1 ) != 1 )
-        return( MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE );
+    if (mbedtls_mpi_get_bit(&grp->P, 0) != 1 ||
+        mbedtls_mpi_get_bit(&grp->P, 1) != 1) {
+        return MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE;
+    }
 
     int ret;
     mbedtls_mpi exp;
-    mbedtls_mpi_init( &exp );
+    mbedtls_mpi_init(&exp);
 
     /* use Y to store intermediate result, actually w above */
-    MBEDTLS_MPI_CHK( ecp_sw_rhs( grp, Y, X ) );
+    MBEDTLS_MPI_CHK(ecp_sw_rhs(grp, Y, X));
 
     /* w = y^2 */ /* Y contains y^2 intermediate result */
     /* exp = ((p+1)/4) */
-    MBEDTLS_MPI_CHK( mbedtls_mpi_add_int( &exp, &grp->P, 1 ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_shift_r( &exp, 2 ) );
+    MBEDTLS_MPI_CHK(mbedtls_mpi_add_int(&exp, &grp->P, 1));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_shift_r(&exp, 2));
     /* sqrt(w) = w^((p+1)/4) mod p   (for prime p where p = 3 mod 4) */
-    MBEDTLS_MPI_CHK( mbedtls_mpi_exp_mod( Y, Y /*y^2*/, &exp, &grp->P, NULL ) );
+    MBEDTLS_MPI_CHK(mbedtls_mpi_exp_mod(Y, Y /*y^2*/, &exp, &grp->P, NULL));
 
     /* check parity bit match or else invert Y */
     /* This quick inversion implementation is valid because Y != 0 for all
      * Short Weierstrass curves supported by mbedtls, as each supported curve
      * has an order that is a large prime, so each supported curve does not
      * have any point of order 2, and a point with Y == 0 would be of order 2 */
-    if( mbedtls_mpi_get_bit( Y, 0 ) != parity_bit )
-        MBEDTLS_MPI_CHK( mbedtls_mpi_sub_mpi( Y, &grp->P, Y ) );
+    if (mbedtls_mpi_get_bit(Y, 0) != parity_bit) {
+        MBEDTLS_MPI_CHK(mbedtls_mpi_sub_mpi(Y, &grp->P, Y));
+    }
 
 cleanup:
 
-    mbedtls_mpi_free( &exp );
-    return( ret );
+    mbedtls_mpi_free(&exp);
+    return ret;
 }
 
 /*
@@ -1303,36 +1321,38 @@
  * Normalize jacobian coordinates so that Z == 0 || Z == 1  (GECC 3.2.1)
  * Cost: 1N := 1I + 3M + 1S
  */
-static int ecp_normalize_jac( const mbedtls_ecp_group *grp, mbedtls_ecp_point *pt )
+static int ecp_normalize_jac(const mbedtls_ecp_group *grp, mbedtls_ecp_point *pt)
 {
-    if( MPI_ECP_CMP_INT( &pt->Z, 0 ) == 0 )
-        return( 0 );
+    if (MPI_ECP_CMP_INT(&pt->Z, 0) == 0) {
+        return 0;
+    }
 
 #if defined(MBEDTLS_ECP_NORMALIZE_JAC_ALT)
-    if( mbedtls_internal_ecp_grp_capable( grp ) )
-        return( mbedtls_internal_ecp_normalize_jac( grp, pt ) );
+    if (mbedtls_internal_ecp_grp_capable(grp)) {
+        return mbedtls_internal_ecp_normalize_jac(grp, pt);
+    }
 #endif /* MBEDTLS_ECP_NORMALIZE_JAC_ALT */
 
 #if defined(MBEDTLS_ECP_NO_FALLBACK) && defined(MBEDTLS_ECP_NORMALIZE_JAC_ALT)
-    return( MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE );
+    return MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE;
 #else
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     mbedtls_mpi T;
-    mbedtls_mpi_init( &T );
+    mbedtls_mpi_init(&T);
 
-    MPI_ECP_INV( &T,       &pt->Z );          /* T   <-          1 / Z   */
-    MPI_ECP_MUL( &pt->Y,   &pt->Y,     &T );  /* Y'  <- Y*T    = Y / Z   */
-    MPI_ECP_SQR( &T,       &T             );  /* T   <- T^2    = 1 / Z^2 */
-    MPI_ECP_MUL( &pt->X,   &pt->X,     &T );  /* X   <- X  * T = X / Z^2 */
-    MPI_ECP_MUL( &pt->Y,   &pt->Y,     &T );  /* Y'' <- Y' * T = Y / Z^3 */
+    MPI_ECP_INV(&T,       &pt->Z);            /* T   <-          1 / Z   */
+    MPI_ECP_MUL(&pt->Y,   &pt->Y,     &T);    /* Y'  <- Y*T    = Y / Z   */
+    MPI_ECP_SQR(&T,       &T);                /* T   <- T^2    = 1 / Z^2 */
+    MPI_ECP_MUL(&pt->X,   &pt->X,     &T);    /* X   <- X  * T = X / Z^2 */
+    MPI_ECP_MUL(&pt->Y,   &pt->Y,     &T);    /* Y'' <- Y' * T = Y / Z^3 */
 
-    MPI_ECP_LSET( &pt->Z, 1 );
+    MPI_ECP_LSET(&pt->Z, 1);
 
 cleanup:
 
-    mbedtls_mpi_free( &T );
+    mbedtls_mpi_free(&T);
 
-    return( ret );
+    return ret;
 #endif /* !defined(MBEDTLS_ECP_NO_FALLBACK) || !defined(MBEDTLS_ECP_NORMALIZE_JAC_ALT) */
 }
 
@@ -1347,46 +1367,47 @@
  *
  * Cost: 1N(t) := 1I + (6t - 3)M + 1S
  */
-static int ecp_normalize_jac_many( const mbedtls_ecp_group *grp,
-                                   mbedtls_ecp_point *T[], size_t T_size )
+static int ecp_normalize_jac_many(const mbedtls_ecp_group *grp,
+                                  mbedtls_ecp_point *T[], size_t T_size)
 {
-    if( T_size < 2 )
-        return( ecp_normalize_jac( grp, *T ) );
+    if (T_size < 2) {
+        return ecp_normalize_jac(grp, *T);
+    }
 
 #if defined(MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT)
-    if( mbedtls_internal_ecp_grp_capable( grp ) )
-        return( mbedtls_internal_ecp_normalize_jac_many( grp, T, T_size ) );
+    if (mbedtls_internal_ecp_grp_capable(grp)) {
+        return mbedtls_internal_ecp_normalize_jac_many(grp, T, T_size);
+    }
 #endif
 
 #if defined(MBEDTLS_ECP_NO_FALLBACK) && defined(MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT)
-    return( MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE );
+    return MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE;
 #else
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     size_t i;
     mbedtls_mpi *c, t;
 
-    if( ( c = mbedtls_calloc( T_size, sizeof( mbedtls_mpi ) ) ) == NULL )
-        return( MBEDTLS_ERR_ECP_ALLOC_FAILED );
+    if ((c = mbedtls_calloc(T_size, sizeof(mbedtls_mpi))) == NULL) {
+        return MBEDTLS_ERR_ECP_ALLOC_FAILED;
+    }
 
-    mbedtls_mpi_init( &t );
+    mbedtls_mpi_init(&t);
 
-    mpi_init_many( c, T_size );
+    mpi_init_many(c, T_size);
     /*
      * c[i] = Z_0 * ... * Z_i,   i = 0,..,n := T_size-1
      */
-    MPI_ECP_MOV( &c[0], &T[0]->Z );
-    for( i = 1; i < T_size; i++ )
-    {
-        MPI_ECP_MUL( &c[i], &c[i-1], &T[i]->Z );
+    MPI_ECP_MOV(&c[0], &T[0]->Z);
+    for (i = 1; i < T_size; i++) {
+        MPI_ECP_MUL(&c[i], &c[i-1], &T[i]->Z);
     }
 
     /*
      * c[n] = 1 / (Z_0 * ... * Z_n) mod P
      */
-    MPI_ECP_INV( &c[T_size-1], &c[T_size-1] );
+    MPI_ECP_INV(&c[T_size-1], &c[T_size-1]);
 
-    for( i = T_size - 1; ; i-- )
-    {
+    for (i = T_size - 1;; i--) {
         /* At the start of iteration i (note that i decrements), we have
          * - c[j] = Z_0 * .... * Z_j        for j  < i,
          * - c[j] = 1 / (Z_0 * .... * Z_j)  for j == i,
@@ -1399,22 +1420,19 @@
          * c[0] = 1 / Z_0.
          */
 
-        if( i > 0 )
-        {
+        if (i > 0) {
             /* Compute 1/Z_i and establish invariant for the next iteration. */
-            MPI_ECP_MUL( &t,      &c[i], &c[i-1]  );
-            MPI_ECP_MUL( &c[i-1], &c[i], &T[i]->Z );
-        }
-        else
-        {
-            MPI_ECP_MOV( &t, &c[0] );
+            MPI_ECP_MUL(&t,      &c[i], &c[i-1]);
+            MPI_ECP_MUL(&c[i-1], &c[i], &T[i]->Z);
+        } else {
+            MPI_ECP_MOV(&t, &c[0]);
         }
 
         /* Now t holds 1 / Z_i; normalize as in ecp_normalize_jac() */
-        MPI_ECP_MUL( &T[i]->Y, &T[i]->Y, &t );
-        MPI_ECP_SQR( &t,       &t           );
-        MPI_ECP_MUL( &T[i]->X, &T[i]->X, &t );
-        MPI_ECP_MUL( &T[i]->Y, &T[i]->Y, &t );
+        MPI_ECP_MUL(&T[i]->Y, &T[i]->Y, &t);
+        MPI_ECP_SQR(&t,       &t);
+        MPI_ECP_MUL(&T[i]->X, &T[i]->X, &t);
+        MPI_ECP_MUL(&T[i]->Y, &T[i]->Y, &t);
 
         /*
          * Post-precessing: reclaim some memory by shrinking coordinates
@@ -1422,22 +1440,23 @@
          * - shrinking other coordinates, but still keeping the same number of
          *   limbs as P, as otherwise it will too likely be regrown too fast.
          */
-        MBEDTLS_MPI_CHK( mbedtls_mpi_shrink( &T[i]->X, grp->P.n ) );
-        MBEDTLS_MPI_CHK( mbedtls_mpi_shrink( &T[i]->Y, grp->P.n ) );
+        MBEDTLS_MPI_CHK(mbedtls_mpi_shrink(&T[i]->X, grp->P.n));
+        MBEDTLS_MPI_CHK(mbedtls_mpi_shrink(&T[i]->Y, grp->P.n));
 
-        MPI_ECP_LSET( &T[i]->Z, 1 );
+        MPI_ECP_LSET(&T[i]->Z, 1);
 
-        if( i == 0 )
+        if (i == 0) {
             break;
+        }
     }
 
 cleanup:
 
-    mbedtls_mpi_free( &t );
-    mpi_free_many( c, T_size );
-    mbedtls_free( c );
+    mbedtls_mpi_free(&t);
+    mpi_free_many(c, T_size);
+    mbedtls_free(c);
 
-    return( ret );
+    return ret;
 #endif /* !defined(MBEDTLS_ECP_NO_FALLBACK) || !defined(MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT) */
 }
 
@@ -1445,19 +1464,19 @@
  * Conditional point inversion: Q -> -Q = (Q.X, -Q.Y, Q.Z) without leak.
  * "inv" must be 0 (don't invert) or 1 (invert) or the result will be invalid
  */
-static int ecp_safe_invert_jac( const mbedtls_ecp_group *grp,
-                            mbedtls_ecp_point *Q,
-                            unsigned char inv )
+static int ecp_safe_invert_jac(const mbedtls_ecp_group *grp,
+                               mbedtls_ecp_point *Q,
+                               unsigned char inv)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     mbedtls_mpi tmp;
-    mbedtls_mpi_init( &tmp );
+    mbedtls_mpi_init(&tmp);
 
-    MPI_ECP_COND_NEG( &Q->Y, inv );
+    MPI_ECP_COND_NEG(&Q->Y, inv);
 
 cleanup:
-    mbedtls_mpi_free( &tmp );
-    return( ret );
+    mbedtls_mpi_free(&tmp);
+    return ret;
 }
 
 /*
@@ -1474,83 +1493,80 @@
  *             4M + 4S          (A == -3)
  *             3M + 6S + 1a     otherwise
  */
-static int ecp_double_jac( const mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
-                           const mbedtls_ecp_point *P,
-                           mbedtls_mpi tmp[4] )
+static int ecp_double_jac(const mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
+                          const mbedtls_ecp_point *P,
+                          mbedtls_mpi tmp[4])
 {
 #if defined(MBEDTLS_SELF_TEST)
     dbl_count++;
 #endif
 
 #if defined(MBEDTLS_ECP_DOUBLE_JAC_ALT)
-    if( mbedtls_internal_ecp_grp_capable( grp ) )
-        return( mbedtls_internal_ecp_double_jac( grp, R, P ) );
+    if (mbedtls_internal_ecp_grp_capable(grp)) {
+        return mbedtls_internal_ecp_double_jac(grp, R, P);
+    }
 #endif /* MBEDTLS_ECP_DOUBLE_JAC_ALT */
 
 #if defined(MBEDTLS_ECP_NO_FALLBACK) && defined(MBEDTLS_ECP_DOUBLE_JAC_ALT)
-    return( MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE );
+    return MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE;
 #else
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 
     /* Special case for A = -3 */
-    if( grp->A.p == NULL )
-    {
+    if (grp->A.p == NULL) {
         /* tmp[0] <- M = 3(X + Z^2)(X - Z^2) */
-        MPI_ECP_SQR(     &tmp[1],  &P->Z                );
-        MPI_ECP_ADD(     &tmp[2],  &P->X,  &tmp[1]      );
-        MPI_ECP_SUB(     &tmp[3],  &P->X,  &tmp[1]      );
-        MPI_ECP_MUL(     &tmp[1],  &tmp[2],     &tmp[3] );
-        MPI_ECP_MUL_INT( &tmp[0],  &tmp[1],     3       );
-    }
-    else
-    {
+        MPI_ECP_SQR(&tmp[1],  &P->Z);
+        MPI_ECP_ADD(&tmp[2],  &P->X,  &tmp[1]);
+        MPI_ECP_SUB(&tmp[3],  &P->X,  &tmp[1]);
+        MPI_ECP_MUL(&tmp[1],  &tmp[2],     &tmp[3]);
+        MPI_ECP_MUL_INT(&tmp[0],  &tmp[1],     3);
+    } else {
         /* tmp[0] <- M = 3.X^2 + A.Z^4 */
-        MPI_ECP_SQR(     &tmp[1],  &P->X  );
-        MPI_ECP_MUL_INT( &tmp[0],  &tmp[1],  3 );
+        MPI_ECP_SQR(&tmp[1],  &P->X);
+        MPI_ECP_MUL_INT(&tmp[0],  &tmp[1],  3);
 
         /* Optimize away for "koblitz" curves with A = 0 */
-        if( MPI_ECP_CMP_INT( &grp->A, 0 ) != 0 )
-        {
+        if (MPI_ECP_CMP_INT(&grp->A, 0) != 0) {
             /* M += A.Z^4 */
-            MPI_ECP_SQR( &tmp[1],  &P->Z                );
-            MPI_ECP_SQR( &tmp[2],  &tmp[1]              );
-            MPI_ECP_MUL( &tmp[1],  &tmp[2],     &grp->A );
-            MPI_ECP_ADD( &tmp[0],  &tmp[0],     &tmp[1] );
+            MPI_ECP_SQR(&tmp[1],  &P->Z);
+            MPI_ECP_SQR(&tmp[2],  &tmp[1]);
+            MPI_ECP_MUL(&tmp[1],  &tmp[2],     &grp->A);
+            MPI_ECP_ADD(&tmp[0],  &tmp[0],     &tmp[1]);
         }
     }
 
     /* tmp[1] <- S = 4.X.Y^2 */
-    MPI_ECP_SQR(     &tmp[2],  &P->Y     );
-    MPI_ECP_SHIFT_L( &tmp[2],  1         );
-    MPI_ECP_MUL(     &tmp[1],  &P->X, &tmp[2] );
-    MPI_ECP_SHIFT_L( &tmp[1],  1         );
+    MPI_ECP_SQR(&tmp[2],  &P->Y);
+    MPI_ECP_SHIFT_L(&tmp[2],  1);
+    MPI_ECP_MUL(&tmp[1],  &P->X, &tmp[2]);
+    MPI_ECP_SHIFT_L(&tmp[1],  1);
 
     /* tmp[3] <- U = 8.Y^4 */
-    MPI_ECP_SQR(     &tmp[3],  &tmp[2] );
-    MPI_ECP_SHIFT_L( &tmp[3],  1       );
+    MPI_ECP_SQR(&tmp[3],  &tmp[2]);
+    MPI_ECP_SHIFT_L(&tmp[3],  1);
 
     /* tmp[2] <- T = M^2 - 2.S */
-    MPI_ECP_SQR( &tmp[2],  &tmp[0]     );
-    MPI_ECP_SUB( &tmp[2],  &tmp[2], &tmp[1] );
-    MPI_ECP_SUB( &tmp[2],  &tmp[2], &tmp[1] );
+    MPI_ECP_SQR(&tmp[2],  &tmp[0]);
+    MPI_ECP_SUB(&tmp[2],  &tmp[2], &tmp[1]);
+    MPI_ECP_SUB(&tmp[2],  &tmp[2], &tmp[1]);
 
     /* tmp[1] <- S = M(S - T) - U */
-    MPI_ECP_SUB( &tmp[1],  &tmp[1],     &tmp[2] );
-    MPI_ECP_MUL( &tmp[1],  &tmp[1],     &tmp[0] );
-    MPI_ECP_SUB( &tmp[1],  &tmp[1],     &tmp[3] );
+    MPI_ECP_SUB(&tmp[1],  &tmp[1],     &tmp[2]);
+    MPI_ECP_MUL(&tmp[1],  &tmp[1],     &tmp[0]);
+    MPI_ECP_SUB(&tmp[1],  &tmp[1],     &tmp[3]);
 
     /* tmp[3] <- U = 2.Y.Z */
-    MPI_ECP_MUL(     &tmp[3],  &P->Y,  &P->Z   );
-    MPI_ECP_SHIFT_L( &tmp[3],  1               );
+    MPI_ECP_MUL(&tmp[3],  &P->Y,  &P->Z);
+    MPI_ECP_SHIFT_L(&tmp[3],  1);
 
     /* Store results */
-    MPI_ECP_MOV( &R->X, &tmp[2] );
-    MPI_ECP_MOV( &R->Y, &tmp[1] );
-    MPI_ECP_MOV( &R->Z, &tmp[3] );
+    MPI_ECP_MOV(&R->X, &tmp[2]);
+    MPI_ECP_MOV(&R->Y, &tmp[1]);
+    MPI_ECP_MOV(&R->Z, &tmp[3]);
 
 cleanup:
 
-    return( ret );
+    return ret;
 #endif /* !defined(MBEDTLS_ECP_NO_FALLBACK) || !defined(MBEDTLS_ECP_DOUBLE_JAC_ALT) */
 }
 
@@ -1574,21 +1590,22 @@
  *
  * Cost: 1A := 8M + 3S
  */
-static int ecp_add_mixed( const mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
-                          const mbedtls_ecp_point *P, const mbedtls_ecp_point *Q,
-                          mbedtls_mpi tmp[4] )
+static int ecp_add_mixed(const mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
+                         const mbedtls_ecp_point *P, const mbedtls_ecp_point *Q,
+                         mbedtls_mpi tmp[4])
 {
 #if defined(MBEDTLS_SELF_TEST)
     add_count++;
 #endif
 
 #if defined(MBEDTLS_ECP_ADD_MIXED_ALT)
-    if( mbedtls_internal_ecp_grp_capable( grp ) )
-        return( mbedtls_internal_ecp_add_mixed( grp, R, P, Q ) );
+    if (mbedtls_internal_ecp_grp_capable(grp)) {
+        return mbedtls_internal_ecp_add_mixed(grp, R, P, Q);
+    }
 #endif /* MBEDTLS_ECP_ADD_MIXED_ALT */
 
 #if defined(MBEDTLS_ECP_NO_FALLBACK) && defined(MBEDTLS_ECP_ADD_MIXED_ALT)
-    return( MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE );
+    return MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE;
 #else
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 
@@ -1599,68 +1616,68 @@
     mbedtls_mpi * const Y = &R->Y;
     mbedtls_mpi * const Z = &R->Z;
 
-    if( !MPI_ECP_VALID( &Q->Z ) )
-        return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+    if (!MPI_ECP_VALID(&Q->Z)) {
+        return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
+    }
 
     /*
      * Trivial cases: P == 0 or Q == 0 (case 1)
      */
-    if( MPI_ECP_CMP_INT( &P->Z, 0 ) == 0 )
-        return( mbedtls_ecp_copy( R, Q ) );
+    if (MPI_ECP_CMP_INT(&P->Z, 0) == 0) {
+        return mbedtls_ecp_copy(R, Q);
+    }
 
-    if( MPI_ECP_CMP_INT( &Q->Z, 0 ) == 0 )
-        return( mbedtls_ecp_copy( R, P ) );
+    if (MPI_ECP_CMP_INT(&Q->Z, 0) == 0) {
+        return mbedtls_ecp_copy(R, P);
+    }
 
     /*
      * Make sure Q coordinates are normalized
      */
-    if( MPI_ECP_CMP_INT( &Q->Z, 1 ) != 0 )
-        return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+    if (MPI_ECP_CMP_INT(&Q->Z, 1) != 0) {
+        return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
+    }
 
-    MPI_ECP_SQR( &tmp[0], &P->Z         );
-    MPI_ECP_MUL( &tmp[1], &tmp[0], &P->Z );
-    MPI_ECP_MUL( &tmp[0], &tmp[0], &Q->X );
-    MPI_ECP_MUL( &tmp[1], &tmp[1], &Q->Y );
-    MPI_ECP_SUB( &tmp[0], &tmp[0], &P->X );
-    MPI_ECP_SUB( &tmp[1], &tmp[1], &P->Y );
+    MPI_ECP_SQR(&tmp[0], &P->Z);
+    MPI_ECP_MUL(&tmp[1], &tmp[0], &P->Z);
+    MPI_ECP_MUL(&tmp[0], &tmp[0], &Q->X);
+    MPI_ECP_MUL(&tmp[1], &tmp[1], &Q->Y);
+    MPI_ECP_SUB(&tmp[0], &tmp[0], &P->X);
+    MPI_ECP_SUB(&tmp[1], &tmp[1], &P->Y);
 
     /* Special cases (2) and (3) */
-    if( MPI_ECP_CMP_INT( &tmp[0], 0 ) == 0 )
-    {
-        if( MPI_ECP_CMP_INT( &tmp[1], 0 ) == 0 )
-        {
-            ret = ecp_double_jac( grp, R, P, tmp );
+    if (MPI_ECP_CMP_INT(&tmp[0], 0) == 0) {
+        if (MPI_ECP_CMP_INT(&tmp[1], 0) == 0) {
+            ret = ecp_double_jac(grp, R, P, tmp);
             goto cleanup;
-        }
-        else
-        {
-            ret = mbedtls_ecp_set_zero( R );
+        } else {
+            ret = mbedtls_ecp_set_zero(R);
             goto cleanup;
         }
     }
 
     /* {P,Q}->Z no longer used, so OK to write to Z even if there's aliasing. */
-    MPI_ECP_MUL( Z,        &P->Z,    &tmp[0] );
-    MPI_ECP_SQR( &tmp[2],  &tmp[0]           );
-    MPI_ECP_MUL( &tmp[3],  &tmp[2],  &tmp[0] );
-    MPI_ECP_MUL( &tmp[2],  &tmp[2],  &P->X   );
+    MPI_ECP_MUL(Z,        &P->Z,    &tmp[0]);
+    MPI_ECP_SQR(&tmp[2],  &tmp[0]);
+    MPI_ECP_MUL(&tmp[3],  &tmp[2],  &tmp[0]);
+    MPI_ECP_MUL(&tmp[2],  &tmp[2],  &P->X);
 
-    MPI_ECP_MOV( &tmp[0], &tmp[2] );
-    MPI_ECP_SHIFT_L( &tmp[0], 1 );
+    MPI_ECP_MOV(&tmp[0], &tmp[2]);
+    MPI_ECP_SHIFT_L(&tmp[0], 1);
 
     /* {P,Q}->X no longer used, so OK to write to X even if there's aliasing. */
-    MPI_ECP_SQR( X,        &tmp[1]           );
-    MPI_ECP_SUB( X,        X,        &tmp[0] );
-    MPI_ECP_SUB( X,        X,        &tmp[3] );
-    MPI_ECP_SUB( &tmp[2],  &tmp[2],  X       );
-    MPI_ECP_MUL( &tmp[2],  &tmp[2],  &tmp[1] );
-    MPI_ECP_MUL( &tmp[3],  &tmp[3],  &P->Y   );
+    MPI_ECP_SQR(X,        &tmp[1]);
+    MPI_ECP_SUB(X,        X,        &tmp[0]);
+    MPI_ECP_SUB(X,        X,        &tmp[3]);
+    MPI_ECP_SUB(&tmp[2],  &tmp[2],  X);
+    MPI_ECP_MUL(&tmp[2],  &tmp[2],  &tmp[1]);
+    MPI_ECP_MUL(&tmp[3],  &tmp[3],  &P->Y);
     /* {P,Q}->Y no longer used, so OK to write to Y even if there's aliasing. */
-    MPI_ECP_SUB( Y,     &tmp[2],     &tmp[3] );
+    MPI_ECP_SUB(Y,     &tmp[2],     &tmp[3]);
 
 cleanup:
 
-    return( ret );
+    return ret;
 #endif /* !defined(MBEDTLS_ECP_NO_FALLBACK) || !defined(MBEDTLS_ECP_ADD_MIXED_ALT) */
 }
 
@@ -1671,44 +1688,46 @@
  *
  * This countermeasure was first suggested in [2].
  */
-static int ecp_randomize_jac( const mbedtls_ecp_group *grp, mbedtls_ecp_point *pt,
-                int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
+static int ecp_randomize_jac(const mbedtls_ecp_group *grp, mbedtls_ecp_point *pt,
+                             int (*f_rng)(void *, unsigned char *, size_t), void *p_rng)
 {
 #if defined(MBEDTLS_ECP_RANDOMIZE_JAC_ALT)
-    if( mbedtls_internal_ecp_grp_capable( grp ) )
-        return( mbedtls_internal_ecp_randomize_jac( grp, pt, f_rng, p_rng ) );
+    if (mbedtls_internal_ecp_grp_capable(grp)) {
+        return mbedtls_internal_ecp_randomize_jac(grp, pt, f_rng, p_rng);
+    }
 #endif /* MBEDTLS_ECP_RANDOMIZE_JAC_ALT */
 
 #if defined(MBEDTLS_ECP_NO_FALLBACK) && defined(MBEDTLS_ECP_RANDOMIZE_JAC_ALT)
-    return( MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE );
+    return MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE;
 #else
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     mbedtls_mpi l;
 
-    mbedtls_mpi_init( &l );
+    mbedtls_mpi_init(&l);
 
     /* Generate l such that 1 < l < p */
-    MPI_ECP_RAND( &l );
+    MPI_ECP_RAND(&l);
 
     /* Z' = l * Z */
-    MPI_ECP_MUL( &pt->Z,   &pt->Z,     &l );
+    MPI_ECP_MUL(&pt->Z,   &pt->Z,     &l);
 
     /* Y' = l * Y */
-    MPI_ECP_MUL( &pt->Y,   &pt->Y,     &l );
+    MPI_ECP_MUL(&pt->Y,   &pt->Y,     &l);
 
     /* X' = l^2 * X */
-    MPI_ECP_SQR( &l,       &l             );
-    MPI_ECP_MUL( &pt->X,   &pt->X,     &l );
+    MPI_ECP_SQR(&l,       &l);
+    MPI_ECP_MUL(&pt->X,   &pt->X,     &l);
 
     /* Y'' = l^2 * Y' = l^3 * Y */
-    MPI_ECP_MUL( &pt->Y,   &pt->Y,     &l );
+    MPI_ECP_MUL(&pt->Y,   &pt->Y,     &l);
 
 cleanup:
-    mbedtls_mpi_free( &l );
+    mbedtls_mpi_free(&l);
 
-    if( ret == MBEDTLS_ERR_MPI_NOT_ACCEPTABLE )
+    if (ret == MBEDTLS_ERR_MPI_NOT_ACCEPTABLE) {
         ret = MBEDTLS_ERR_ECP_RANDOM_FAILED;
-    return( ret );
+    }
+    return ret;
 #endif /* !defined(MBEDTLS_ECP_NO_FALLBACK) || !defined(MBEDTLS_ECP_RANDOMIZE_JAC_ALT) */
 }
 
@@ -1720,10 +1739,10 @@
 #endif
 
 /* d = ceil( n / w ) */
-#define COMB_MAX_D      ( MBEDTLS_ECP_MAX_BITS + 1 ) / 2
+#define COMB_MAX_D      (MBEDTLS_ECP_MAX_BITS + 1) / 2
 
 /* number of precomputed points */
-#define COMB_MAX_PRE    ( 1 << ( MBEDTLS_ECP_WINDOW_SIZE - 1 ) )
+#define COMB_MAX_PRE    (1 << (MBEDTLS_ECP_WINDOW_SIZE - 1))
 
 /*
  * Compute the representation of m that will be used with our comb method.
@@ -1772,32 +1791,33 @@
  * - m is the MPI, expected to be odd and such that bitlength(m) <= w * d
  *   (the result will be incorrect if these assumptions are not satisfied)
  */
-static void ecp_comb_recode_core( unsigned char x[], size_t d,
-                                  unsigned char w, const mbedtls_mpi *m )
+static void ecp_comb_recode_core(unsigned char x[], size_t d,
+                                 unsigned char w, const mbedtls_mpi *m)
 {
     size_t i, j;
     unsigned char c, cc, adjust;
 
-    memset( x, 0, d+1 );
+    memset(x, 0, d+1);
 
     /* First get the classical comb values (except for x_d = 0) */
-    for( i = 0; i < d; i++ )
-        for( j = 0; j < w; j++ )
-            x[i] |= mbedtls_mpi_get_bit( m, i + d * j ) << j;
+    for (i = 0; i < d; i++) {
+        for (j = 0; j < w; j++) {
+            x[i] |= mbedtls_mpi_get_bit(m, i + d * j) << j;
+        }
+    }
 
     /* Now make sure x_1 .. x_d are odd */
     c = 0;
-    for( i = 1; i <= d; i++ )
-    {
+    for (i = 1; i <= d; i++) {
         /* Add carry and update it */
         cc   = x[i] & c;
         x[i] = x[i] ^ c;
         c = cc;
 
         /* Adjust if needed, avoiding branches */
-        adjust = 1 - ( x[i] & 0x01 );
-        c   |= x[i] & ( x[i-1] * adjust );
-        x[i] = x[i] ^ ( x[i-1] * adjust );
+        adjust = 1 - (x[i] & 0x01);
+        c   |= x[i] & (x[i-1] * adjust);
+        x[i] = x[i] ^ (x[i-1] * adjust);
         x[i-1] |= adjust << 7;
     }
 }
@@ -1836,40 +1856,42 @@
  * value, it's useful to set MBEDTLS_ECP_WINDOW_SIZE to a lower value in order
  * to minimize maximum blocking time.
  */
-static int ecp_precompute_comb( const mbedtls_ecp_group *grp,
-                                mbedtls_ecp_point T[], const mbedtls_ecp_point *P,
-                                unsigned char w, size_t d,
-                                mbedtls_ecp_restart_ctx *rs_ctx )
+static int ecp_precompute_comb(const mbedtls_ecp_group *grp,
+                               mbedtls_ecp_point T[], const mbedtls_ecp_point *P,
+                               unsigned char w, size_t d,
+                               mbedtls_ecp_restart_ctx *rs_ctx)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     unsigned char i;
     size_t j = 0;
-    const unsigned char T_size = 1U << ( w - 1 );
-    mbedtls_ecp_point *cur, *TT[COMB_MAX_PRE - 1] = {NULL};
+    const unsigned char T_size = 1U << (w - 1);
+    mbedtls_ecp_point *cur, *TT[COMB_MAX_PRE - 1] = { NULL };
 
     mbedtls_mpi tmp[4];
 
-    mpi_init_many( tmp, sizeof( tmp ) / sizeof( mbedtls_mpi ) );
+    mpi_init_many(tmp, sizeof(tmp) / sizeof(mbedtls_mpi));
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-    if( rs_ctx != NULL && rs_ctx->rsm != NULL )
-    {
-        if( rs_ctx->rsm->state == ecp_rsm_pre_dbl )
+    if (rs_ctx != NULL && rs_ctx->rsm != NULL) {
+        if (rs_ctx->rsm->state == ecp_rsm_pre_dbl) {
             goto dbl;
-        if( rs_ctx->rsm->state == ecp_rsm_pre_norm_dbl )
+        }
+        if (rs_ctx->rsm->state == ecp_rsm_pre_norm_dbl) {
             goto norm_dbl;
-        if( rs_ctx->rsm->state == ecp_rsm_pre_add )
+        }
+        if (rs_ctx->rsm->state == ecp_rsm_pre_add) {
             goto add;
-        if( rs_ctx->rsm->state == ecp_rsm_pre_norm_add )
+        }
+        if (rs_ctx->rsm->state == ecp_rsm_pre_norm_add) {
             goto norm_add;
+        }
     }
 #else
     (void) rs_ctx;
 #endif
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-    if( rs_ctx != NULL && rs_ctx->rsm != NULL )
-    {
+    if (rs_ctx != NULL && rs_ctx->rsm != NULL) {
         rs_ctx->rsm->state = ecp_rsm_pre_dbl;
 
         /* initial state for the loop */
@@ -1882,31 +1904,32 @@
      * Set T[0] = P and
      * T[2^{l-1}] = 2^{dl} P for l = 1 .. w-1 (this is not the final value)
      */
-    MBEDTLS_MPI_CHK( mbedtls_ecp_copy( &T[0], P ) );
+    MBEDTLS_MPI_CHK(mbedtls_ecp_copy(&T[0], P));
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-    if( rs_ctx != NULL && rs_ctx->rsm != NULL && rs_ctx->rsm->i != 0 )
+    if (rs_ctx != NULL && rs_ctx->rsm != NULL && rs_ctx->rsm->i != 0) {
         j = rs_ctx->rsm->i;
-    else
+    } else
 #endif
-        j = 0;
+    j = 0;
 
-    for( ; j < d * ( w - 1 ); j++ )
-    {
-        MBEDTLS_ECP_BUDGET( MBEDTLS_ECP_OPS_DBL );
+    for (; j < d * (w - 1); j++) {
+        MBEDTLS_ECP_BUDGET(MBEDTLS_ECP_OPS_DBL);
 
-        i = 1U << ( j / d );
+        i = 1U << (j / d);
         cur = T + i;
 
-        if( j % d == 0 )
-            MBEDTLS_MPI_CHK( mbedtls_ecp_copy( cur, T + ( i >> 1 ) ) );
+        if (j % d == 0) {
+            MBEDTLS_MPI_CHK(mbedtls_ecp_copy(cur, T + (i >> 1)));
+        }
 
-        MBEDTLS_MPI_CHK( ecp_double_jac( grp, cur, cur, tmp ) );
+        MBEDTLS_MPI_CHK(ecp_double_jac(grp, cur, cur, tmp));
     }
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-    if( rs_ctx != NULL && rs_ctx->rsm != NULL )
+    if (rs_ctx != NULL && rs_ctx->rsm != NULL) {
         rs_ctx->rsm->state = ecp_rsm_pre_norm_dbl;
+    }
 
 norm_dbl:
 #endif
@@ -1918,16 +1941,18 @@
      *
      */
     j = 0;
-    for( i = 1; i < T_size; i <<= 1 )
+    for (i = 1; i < T_size; i <<= 1) {
         TT[j++] = T + i;
+    }
 
-    MBEDTLS_ECP_BUDGET( MBEDTLS_ECP_OPS_INV + 6 * j - 2 );
+    MBEDTLS_ECP_BUDGET(MBEDTLS_ECP_OPS_INV + 6 * j - 2);
 
-    MBEDTLS_MPI_CHK( ecp_normalize_jac_many( grp, TT, j ) );
+    MBEDTLS_MPI_CHK(ecp_normalize_jac_many(grp, TT, j));
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-    if( rs_ctx != NULL && rs_ctx->rsm != NULL )
+    if (rs_ctx != NULL && rs_ctx->rsm != NULL) {
         rs_ctx->rsm->state = ecp_rsm_pre_add;
+    }
 
 add:
 #endif
@@ -1935,18 +1960,19 @@
      * Compute the remaining ones using the minimal number of additions
      * Be careful to update T[2^l] only after using it!
      */
-    MBEDTLS_ECP_BUDGET( ( T_size - 1 ) * MBEDTLS_ECP_OPS_ADD );
+    MBEDTLS_ECP_BUDGET((T_size - 1) * MBEDTLS_ECP_OPS_ADD);
 
-    for( i = 1; i < T_size; i <<= 1 )
-    {
+    for (i = 1; i < T_size; i <<= 1) {
         j = i;
-        while( j-- )
-            MBEDTLS_MPI_CHK( ecp_add_mixed( grp, &T[i + j], &T[j], &T[i], tmp ) );
+        while (j--) {
+            MBEDTLS_MPI_CHK(ecp_add_mixed(grp, &T[i + j], &T[j], &T[i], tmp));
+        }
     }
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-    if( rs_ctx != NULL && rs_ctx->rsm != NULL )
+    if (rs_ctx != NULL && rs_ctx->rsm != NULL) {
         rs_ctx->rsm->state = ecp_rsm_pre_norm_add;
+    }
 
 norm_add:
 #endif
@@ -1955,35 +1981,37 @@
      * still need the auxiliary array for homogeneity with the previous
      * call. Also, skip T[0] which is already normalised, being a copy of P.
      */
-    for( j = 0; j + 1 < T_size; j++ )
+    for (j = 0; j + 1 < T_size; j++) {
         TT[j] = T + j + 1;
+    }
 
-    MBEDTLS_ECP_BUDGET( MBEDTLS_ECP_OPS_INV + 6 * j - 2 );
+    MBEDTLS_ECP_BUDGET(MBEDTLS_ECP_OPS_INV + 6 * j - 2);
 
-    MBEDTLS_MPI_CHK( ecp_normalize_jac_many( grp, TT, j ) );
+    MBEDTLS_MPI_CHK(ecp_normalize_jac_many(grp, TT, j));
 
     /* Free Z coordinate (=1 after normalization) to save RAM.
      * This makes T[i] invalid as mbedtls_ecp_points, but this is OK
      * since from this point onwards, they are only accessed indirectly
      * via the getter function ecp_select_comb() which does set the
      * target's Z coordinate to 1. */
-    for( i = 0; i < T_size; i++ )
-        mbedtls_mpi_free( &T[i].Z );
+    for (i = 0; i < T_size; i++) {
+        mbedtls_mpi_free(&T[i].Z);
+    }
 
 cleanup:
 
-    mpi_free_many( tmp, sizeof( tmp ) / sizeof( mbedtls_mpi ) );
+    mpi_free_many(tmp, sizeof(tmp) / sizeof(mbedtls_mpi));
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-    if( rs_ctx != NULL && rs_ctx->rsm != NULL &&
-        ret == MBEDTLS_ERR_ECP_IN_PROGRESS )
-    {
-        if( rs_ctx->rsm->state == ecp_rsm_pre_dbl )
+    if (rs_ctx != NULL && rs_ctx->rsm != NULL &&
+        ret == MBEDTLS_ERR_ECP_IN_PROGRESS) {
+        if (rs_ctx->rsm->state == ecp_rsm_pre_dbl) {
             rs_ctx->rsm->i = j;
+        }
     }
 #endif
 
-    return( ret );
+    return ret;
 }
 
 /*
@@ -1991,30 +2019,29 @@
  *
  * See ecp_comb_recode_core() for background
  */
-static int ecp_select_comb( const mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
-                            const mbedtls_ecp_point T[], unsigned char T_size,
-                            unsigned char i )
+static int ecp_select_comb(const mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
+                           const mbedtls_ecp_point T[], unsigned char T_size,
+                           unsigned char i)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     unsigned char ii, j;
 
     /* Ignore the "sign" bit and scale down */
-    ii =  ( i & 0x7Fu ) >> 1;
+    ii =  (i & 0x7Fu) >> 1;
 
     /* Read the whole table to thwart cache-based timing attacks */
-    for( j = 0; j < T_size; j++ )
-    {
-        MPI_ECP_COND_ASSIGN( &R->X, &T[j].X, j == ii );
-        MPI_ECP_COND_ASSIGN( &R->Y, &T[j].Y, j == ii );
+    for (j = 0; j < T_size; j++) {
+        MPI_ECP_COND_ASSIGN(&R->X, &T[j].X, j == ii);
+        MPI_ECP_COND_ASSIGN(&R->Y, &T[j].Y, j == ii);
     }
 
     /* Safely invert result if i is "negative" */
-    MBEDTLS_MPI_CHK( ecp_safe_invert_jac( grp, R, i >> 7 ) );
+    MBEDTLS_MPI_CHK(ecp_safe_invert_jac(grp, R, i >> 7));
 
-    MPI_ECP_LSET( &R->Z, 1 );
+    MPI_ECP_LSET(&R->Z, 1);
 
 cleanup:
-    return( ret );
+    return ret;
 }
 
 /*
@@ -2023,74 +2050,70 @@
  *
  * Cost: d A + d D + 1 R
  */
-static int ecp_mul_comb_core( const mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
-                              const mbedtls_ecp_point T[], unsigned char T_size,
-                              const unsigned char x[], size_t d,
-                              int (*f_rng)(void *, unsigned char *, size_t),
-                              void *p_rng,
-                              mbedtls_ecp_restart_ctx *rs_ctx )
+static int ecp_mul_comb_core(const mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
+                             const mbedtls_ecp_point T[], unsigned char T_size,
+                             const unsigned char x[], size_t d,
+                             int (*f_rng)(void *, unsigned char *, size_t),
+                             void *p_rng,
+                             mbedtls_ecp_restart_ctx *rs_ctx)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     mbedtls_ecp_point Txi;
     mbedtls_mpi tmp[4];
     size_t i;
 
-    mbedtls_ecp_point_init( &Txi );
-    mpi_init_many( tmp, sizeof( tmp ) / sizeof( mbedtls_mpi ) );
+    mbedtls_ecp_point_init(&Txi);
+    mpi_init_many(tmp, sizeof(tmp) / sizeof(mbedtls_mpi));
 
 #if !defined(MBEDTLS_ECP_RESTARTABLE)
     (void) rs_ctx;
 #endif
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-    if( rs_ctx != NULL && rs_ctx->rsm != NULL &&
-        rs_ctx->rsm->state != ecp_rsm_comb_core )
-    {
+    if (rs_ctx != NULL && rs_ctx->rsm != NULL &&
+        rs_ctx->rsm->state != ecp_rsm_comb_core) {
         rs_ctx->rsm->i = 0;
         rs_ctx->rsm->state = ecp_rsm_comb_core;
     }
 
     /* new 'if' instead of nested for the sake of the 'else' branch */
-    if( rs_ctx != NULL && rs_ctx->rsm != NULL && rs_ctx->rsm->i != 0 )
-    {
+    if (rs_ctx != NULL && rs_ctx->rsm != NULL && rs_ctx->rsm->i != 0) {
         /* restore current index (R already pointing to rs_ctx->rsm->R) */
         i = rs_ctx->rsm->i;
-    }
-    else
+    } else
 #endif
     {
         /* Start with a non-zero point and randomize its coordinates */
         i = d;
-        MBEDTLS_MPI_CHK( ecp_select_comb( grp, R, T, T_size, x[i] ) );
-        if( f_rng != 0 )
-            MBEDTLS_MPI_CHK( ecp_randomize_jac( grp, R, f_rng, p_rng ) );
+        MBEDTLS_MPI_CHK(ecp_select_comb(grp, R, T, T_size, x[i]));
+        if (f_rng != 0) {
+            MBEDTLS_MPI_CHK(ecp_randomize_jac(grp, R, f_rng, p_rng));
+        }
     }
 
-    while( i != 0 )
-    {
-        MBEDTLS_ECP_BUDGET( MBEDTLS_ECP_OPS_DBL + MBEDTLS_ECP_OPS_ADD );
+    while (i != 0) {
+        MBEDTLS_ECP_BUDGET(MBEDTLS_ECP_OPS_DBL + MBEDTLS_ECP_OPS_ADD);
         --i;
 
-        MBEDTLS_MPI_CHK( ecp_double_jac( grp, R, R, tmp ) );
-        MBEDTLS_MPI_CHK( ecp_select_comb( grp, &Txi, T, T_size, x[i] ) );
-        MBEDTLS_MPI_CHK( ecp_add_mixed( grp, R, R, &Txi, tmp ) );
+        MBEDTLS_MPI_CHK(ecp_double_jac(grp, R, R, tmp));
+        MBEDTLS_MPI_CHK(ecp_select_comb(grp, &Txi, T, T_size, x[i]));
+        MBEDTLS_MPI_CHK(ecp_add_mixed(grp, R, R, &Txi, tmp));
     }
 
 cleanup:
 
-    mbedtls_ecp_point_free( &Txi );
-    mpi_free_many( tmp, sizeof( tmp ) / sizeof( mbedtls_mpi ) );
+    mbedtls_ecp_point_free(&Txi);
+    mpi_free_many(tmp, sizeof(tmp) / sizeof(mbedtls_mpi));
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-    if( rs_ctx != NULL && rs_ctx->rsm != NULL &&
-        ret == MBEDTLS_ERR_ECP_IN_PROGRESS )
-    {
+    if (rs_ctx != NULL && rs_ctx->rsm != NULL &&
+        ret == MBEDTLS_ERR_ECP_IN_PROGRESS) {
         rs_ctx->rsm->i = i;
         /* no need to save R, already pointing to rs_ctx->rsm->R */
     }
 #endif
 
-    return( ret );
+    return ret;
 }
 
 /*
@@ -2105,39 +2128,40 @@
  *
  * See ecp_comb_recode_core() for background.
  */
-static int ecp_comb_recode_scalar( const mbedtls_ecp_group *grp,
-                                   const mbedtls_mpi *m,
-                                   unsigned char k[COMB_MAX_D + 1],
-                                   size_t d,
-                                   unsigned char w,
-                                   unsigned char *parity_trick )
+static int ecp_comb_recode_scalar(const mbedtls_ecp_group *grp,
+                                  const mbedtls_mpi *m,
+                                  unsigned char k[COMB_MAX_D + 1],
+                                  size_t d,
+                                  unsigned char w,
+                                  unsigned char *parity_trick)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     mbedtls_mpi M, mm;
 
-    mbedtls_mpi_init( &M );
-    mbedtls_mpi_init( &mm );
+    mbedtls_mpi_init(&M);
+    mbedtls_mpi_init(&mm);
 
     /* N is always odd (see above), just make extra sure */
-    if( mbedtls_mpi_get_bit( &grp->N, 0 ) != 1 )
-        return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+    if (mbedtls_mpi_get_bit(&grp->N, 0) != 1) {
+        return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
+    }
 
     /* do we need the parity trick? */
-    *parity_trick = ( mbedtls_mpi_get_bit( m, 0 ) == 0 );
+    *parity_trick = (mbedtls_mpi_get_bit(m, 0) == 0);
 
     /* execute parity fix in constant time */
-    MBEDTLS_MPI_CHK( mbedtls_mpi_copy( &M, m ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_sub_mpi( &mm, &grp->N, m ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_safe_cond_assign( &M, &mm, *parity_trick ) );
+    MBEDTLS_MPI_CHK(mbedtls_mpi_copy(&M, m));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_sub_mpi(&mm, &grp->N, m));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_safe_cond_assign(&M, &mm, *parity_trick));
 
     /* actual scalar recoding */
-    ecp_comb_recode_core( k, d, w, &M );
+    ecp_comb_recode_core(k, d, w, &M);
 
 cleanup:
-    mbedtls_mpi_free( &mm );
-    mbedtls_mpi_free( &M );
+    mbedtls_mpi_free(&mm);
+    mbedtls_mpi_free(&M);
 
-    return( ret );
+    return ret;
 }
 
 /*
@@ -2147,16 +2171,16 @@
  * Scalar recoding may use a parity trick that makes us compute -m * P,
  * if that is the case we'll need to recover m * P at the end.
  */
-static int ecp_mul_comb_after_precomp( const mbedtls_ecp_group *grp,
-                                mbedtls_ecp_point *R,
-                                const mbedtls_mpi *m,
-                                const mbedtls_ecp_point *T,
-                                unsigned char T_size,
-                                unsigned char w,
-                                size_t d,
-                                int (*f_rng)(void *, unsigned char *, size_t),
-                                void *p_rng,
-                                mbedtls_ecp_restart_ctx *rs_ctx )
+static int ecp_mul_comb_after_precomp(const mbedtls_ecp_group *grp,
+                                      mbedtls_ecp_point *R,
+                                      const mbedtls_mpi *m,
+                                      const mbedtls_ecp_point *T,
+                                      unsigned char T_size,
+                                      unsigned char w,
+                                      size_t d,
+                                      int (*f_rng)(void *, unsigned char *, size_t),
+                                      void *p_rng,
+                                      mbedtls_ecp_restart_ctx *rs_ctx)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     unsigned char parity_trick;
@@ -2164,27 +2188,28 @@
     mbedtls_ecp_point *RR = R;
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-    if( rs_ctx != NULL && rs_ctx->rsm != NULL )
-    {
+    if (rs_ctx != NULL && rs_ctx->rsm != NULL) {
         RR = &rs_ctx->rsm->R;
 
-        if( rs_ctx->rsm->state == ecp_rsm_final_norm )
+        if (rs_ctx->rsm->state == ecp_rsm_final_norm) {
             goto final_norm;
+        }
     }
 #endif
 
-    MBEDTLS_MPI_CHK( ecp_comb_recode_scalar( grp, m, k, d, w,
-                                            &parity_trick ) );
-    MBEDTLS_MPI_CHK( ecp_mul_comb_core( grp, RR, T, T_size, k, d,
-                                        f_rng, p_rng, rs_ctx ) );
-    MBEDTLS_MPI_CHK( ecp_safe_invert_jac( grp, RR, parity_trick ) );
+    MBEDTLS_MPI_CHK(ecp_comb_recode_scalar(grp, m, k, d, w,
+                                           &parity_trick));
+    MBEDTLS_MPI_CHK(ecp_mul_comb_core(grp, RR, T, T_size, k, d,
+                                      f_rng, p_rng, rs_ctx));
+    MBEDTLS_MPI_CHK(ecp_safe_invert_jac(grp, RR, parity_trick));
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-    if( rs_ctx != NULL && rs_ctx->rsm != NULL )
+    if (rs_ctx != NULL && rs_ctx->rsm != NULL) {
         rs_ctx->rsm->state = ecp_rsm_final_norm;
+    }
 
 final_norm:
-    MBEDTLS_ECP_BUDGET( MBEDTLS_ECP_OPS_INV );
+    MBEDTLS_ECP_BUDGET(MBEDTLS_ECP_OPS_INV);
 #endif
     /*
      * Knowledge of the jacobian coordinates may leak the last few bits of the
@@ -2197,25 +2222,27 @@
      *
      * Avoid the leak by randomizing coordinates before we normalize them.
      */
-    if( f_rng != 0 )
-        MBEDTLS_MPI_CHK( ecp_randomize_jac( grp, RR, f_rng, p_rng ) );
+    if (f_rng != 0) {
+        MBEDTLS_MPI_CHK(ecp_randomize_jac(grp, RR, f_rng, p_rng));
+    }
 
-    MBEDTLS_MPI_CHK( ecp_normalize_jac( grp, RR ) );
+    MBEDTLS_MPI_CHK(ecp_normalize_jac(grp, RR));
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-    if( rs_ctx != NULL && rs_ctx->rsm != NULL )
-        MBEDTLS_MPI_CHK( mbedtls_ecp_copy( R, RR ) );
+    if (rs_ctx != NULL && rs_ctx->rsm != NULL) {
+        MBEDTLS_MPI_CHK(mbedtls_ecp_copy(R, RR));
+    }
 #endif
 
 cleanup:
-    return( ret );
+    return ret;
 }
 
 /*
  * Pick window size based on curve size and whether we optimize for base point
  */
-static unsigned char ecp_pick_window_size( const mbedtls_ecp_group *grp,
-                                           unsigned char p_eq_g )
+static unsigned char ecp_pick_window_size(const mbedtls_ecp_group *grp,
+                                          unsigned char p_eq_g)
 {
     unsigned char w;
 
@@ -2231,8 +2258,9 @@
      * Just adding one avoids upping the cost of the first mul too much,
      * and the memory cost too.
      */
-    if( p_eq_g )
+    if (p_eq_g) {
         w++;
+    }
 
     /*
      * If static comb table may not be used (!p_eq_g) or static comb table does
@@ -2243,14 +2271,16 @@
      * static comb table, because the size of static comb table is fixed when
      * it is generated.
      */
-#if( MBEDTLS_ECP_WINDOW_SIZE < 6 )
-    if( (!p_eq_g || !ecp_group_is_static_comb_table(grp)) && w > MBEDTLS_ECP_WINDOW_SIZE )
+#if (MBEDTLS_ECP_WINDOW_SIZE < 6)
+    if ((!p_eq_g || !ecp_group_is_static_comb_table(grp)) && w > MBEDTLS_ECP_WINDOW_SIZE) {
         w = MBEDTLS_ECP_WINDOW_SIZE;
+    }
 #endif
-    if( w >= grp->nbits )
+    if (w >= grp->nbits) {
         w = 2;
+    }
 
-    return( w );
+    return w;
 }
 
 /*
@@ -2266,11 +2296,11 @@
  *
  * See comments on ecp_comb_recode_core() regarding the computation strategy.
  */
-static int ecp_mul_comb( mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
-                         const mbedtls_mpi *m, const mbedtls_ecp_point *P,
-                         int (*f_rng)(void *, unsigned char *, size_t),
-                         void *p_rng,
-                         mbedtls_ecp_restart_ctx *rs_ctx )
+static int ecp_mul_comb(mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
+                        const mbedtls_mpi *m, const mbedtls_ecp_point *P,
+                        int (*f_rng)(void *, unsigned char *, size_t),
+                        void *p_rng,
+                        mbedtls_ecp_restart_ctx *rs_ctx)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     unsigned char w, p_eq_g, i;
@@ -2278,33 +2308,30 @@
     unsigned char T_size = 0, T_ok = 0;
     mbedtls_ecp_point *T = NULL;
 
-    ECP_RS_ENTER( rsm );
+    ECP_RS_ENTER(rsm);
 
     /* Is P the base point ? */
 #if MBEDTLS_ECP_FIXED_POINT_OPTIM == 1
-    p_eq_g = ( MPI_ECP_CMP( &P->Y, &grp->G.Y ) == 0 &&
-               MPI_ECP_CMP( &P->X, &grp->G.X ) == 0 );
+    p_eq_g = (MPI_ECP_CMP(&P->Y, &grp->G.Y) == 0 &&
+              MPI_ECP_CMP(&P->X, &grp->G.X) == 0);
 #else
     p_eq_g = 0;
 #endif
 
     /* Pick window size and deduce related sizes */
-    w = ecp_pick_window_size( grp, p_eq_g );
-    T_size = 1U << ( w - 1 );
-    d = ( grp->nbits + w - 1 ) / w;
+    w = ecp_pick_window_size(grp, p_eq_g);
+    T_size = 1U << (w - 1);
+    d = (grp->nbits + w - 1) / w;
 
     /* Pre-computed table: do we have it already for the base point? */
-    if( p_eq_g && grp->T != NULL )
-    {
+    if (p_eq_g && grp->T != NULL) {
         /* second pointer to the same table, will be deleted on exit */
         T = grp->T;
         T_ok = 1;
-    }
-    else
+    } else
 #if defined(MBEDTLS_ECP_RESTARTABLE)
     /* Pre-computed table: do we have one in progress? complete? */
-    if( rs_ctx != NULL && rs_ctx->rsm != NULL && rs_ctx->rsm->T != NULL )
-    {
+    if (rs_ctx != NULL && rs_ctx->rsm != NULL && rs_ctx->rsm->T != NULL) {
         /* transfer ownership of T from rsm to local function */
         T = rs_ctx->rsm->T;
         rs_ctx->rsm->T = NULL;
@@ -2312,31 +2339,28 @@
 
         /* This effectively jumps to the call to mul_comb_after_precomp() */
         T_ok = rs_ctx->rsm->state >= ecp_rsm_comb_core;
-    }
-    else
+    } else
 #endif
     /* Allocate table if we didn't have any */
     {
-        T = mbedtls_calloc( T_size, sizeof( mbedtls_ecp_point ) );
-        if( T == NULL )
-        {
+        T = mbedtls_calloc(T_size, sizeof(mbedtls_ecp_point));
+        if (T == NULL) {
             ret = MBEDTLS_ERR_ECP_ALLOC_FAILED;
             goto cleanup;
         }
 
-        for( i = 0; i < T_size; i++ )
-            mbedtls_ecp_point_init( &T[i] );
+        for (i = 0; i < T_size; i++) {
+            mbedtls_ecp_point_init(&T[i]);
+        }
 
         T_ok = 0;
     }
 
     /* Compute table (or finish computing it) if not done already */
-    if( !T_ok )
-    {
-        MBEDTLS_MPI_CHK( ecp_precompute_comb( grp, T, P, w, d, rs_ctx ) );
+    if (!T_ok) {
+        MBEDTLS_MPI_CHK(ecp_precompute_comb(grp, T, P, w, d, rs_ctx));
 
-        if( p_eq_g )
-        {
+        if (p_eq_g) {
             /* almost transfer ownership of T to the group, but keep a copy of
              * the pointer to use for calling the next function more easily */
             grp->T = T;
@@ -2345,20 +2369,20 @@
     }
 
     /* Actual comb multiplication using precomputed points */
-    MBEDTLS_MPI_CHK( ecp_mul_comb_after_precomp( grp, R, m,
-                                                 T, T_size, w, d,
-                                                 f_rng, p_rng, rs_ctx ) );
+    MBEDTLS_MPI_CHK(ecp_mul_comb_after_precomp(grp, R, m,
+                                               T, T_size, w, d,
+                                               f_rng, p_rng, rs_ctx));
 
 cleanup:
 
     /* does T belong to the group? */
-    if( T == grp->T )
+    if (T == grp->T) {
         T = NULL;
+    }
 
     /* does T belong to the restart context? */
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-    if( rs_ctx != NULL && rs_ctx->rsm != NULL && ret == MBEDTLS_ERR_ECP_IN_PROGRESS && T != NULL )
-    {
+    if (rs_ctx != NULL && rs_ctx->rsm != NULL && ret == MBEDTLS_ERR_ECP_IN_PROGRESS && T != NULL) {
         /* transfer ownership of T from local function to rsm */
         rs_ctx->rsm->T_size = T_size;
         rs_ctx->rsm->T = T;
@@ -2367,26 +2391,28 @@
 #endif
 
     /* did T belong to us? then let's destroy it! */
-    if( T != NULL )
-    {
-        for( i = 0; i < T_size; i++ )
-            mbedtls_ecp_point_free( &T[i] );
-        mbedtls_free( T );
+    if (T != NULL) {
+        for (i = 0; i < T_size; i++) {
+            mbedtls_ecp_point_free(&T[i]);
+        }
+        mbedtls_free(T);
     }
 
     /* prevent caller from using invalid value */
-    int should_free_R = ( ret != 0 );
+    int should_free_R = (ret != 0);
 #if defined(MBEDTLS_ECP_RESTARTABLE)
     /* don't free R while in progress in case R == P */
-    if( ret == MBEDTLS_ERR_ECP_IN_PROGRESS )
+    if (ret == MBEDTLS_ERR_ECP_IN_PROGRESS) {
         should_free_R = 0;
+    }
 #endif
-    if( should_free_R )
-        mbedtls_ecp_point_free( R );
+    if (should_free_R) {
+        mbedtls_ecp_point_free(R);
+    }
 
-    ECP_RS_LEAVE( rsm );
+    ECP_RS_LEAVE(rsm);
 
-    return( ret );
+    return ret;
 }
 
 #endif /* MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED */
@@ -2404,23 +2430,24 @@
  * Normalize Montgomery x/z coordinates: X = X/Z, Z = 1
  * Cost: 1M + 1I
  */
-static int ecp_normalize_mxz( const mbedtls_ecp_group *grp, mbedtls_ecp_point *P )
+static int ecp_normalize_mxz(const mbedtls_ecp_group *grp, mbedtls_ecp_point *P)
 {
 #if defined(MBEDTLS_ECP_NORMALIZE_MXZ_ALT)
-    if( mbedtls_internal_ecp_grp_capable( grp ) )
-        return( mbedtls_internal_ecp_normalize_mxz( grp, P ) );
+    if (mbedtls_internal_ecp_grp_capable(grp)) {
+        return mbedtls_internal_ecp_normalize_mxz(grp, P);
+    }
 #endif /* MBEDTLS_ECP_NORMALIZE_MXZ_ALT */
 
 #if defined(MBEDTLS_ECP_NO_FALLBACK) && defined(MBEDTLS_ECP_NORMALIZE_MXZ_ALT)
-    return( MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE );
+    return MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE;
 #else
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    MPI_ECP_INV( &P->Z, &P->Z );
-    MPI_ECP_MUL( &P->X, &P->X, &P->Z );
-    MPI_ECP_LSET( &P->Z, 1 );
+    MPI_ECP_INV(&P->Z, &P->Z);
+    MPI_ECP_MUL(&P->X, &P->X, &P->Z);
+    MPI_ECP_LSET(&P->Z, 1);
 
 cleanup:
-    return( ret );
+    return ret;
 #endif /* !defined(MBEDTLS_ECP_NO_FALLBACK) || !defined(MBEDTLS_ECP_NORMALIZE_MXZ_ALT) */
 }
 
@@ -2432,33 +2459,35 @@
  * This countermeasure was first suggested in [2].
  * Cost: 2M
  */
-static int ecp_randomize_mxz( const mbedtls_ecp_group *grp, mbedtls_ecp_point *P,
-                int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
+static int ecp_randomize_mxz(const mbedtls_ecp_group *grp, mbedtls_ecp_point *P,
+                             int (*f_rng)(void *, unsigned char *, size_t), void *p_rng)
 {
 #if defined(MBEDTLS_ECP_RANDOMIZE_MXZ_ALT)
-    if( mbedtls_internal_ecp_grp_capable( grp ) )
-        return( mbedtls_internal_ecp_randomize_mxz( grp, P, f_rng, p_rng ) );
+    if (mbedtls_internal_ecp_grp_capable(grp)) {
+        return mbedtls_internal_ecp_randomize_mxz(grp, P, f_rng, p_rng);
+    }
 #endif /* MBEDTLS_ECP_RANDOMIZE_MXZ_ALT */
 
 #if defined(MBEDTLS_ECP_NO_FALLBACK) && defined(MBEDTLS_ECP_RANDOMIZE_MXZ_ALT)
-    return( MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE );
+    return MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE;
 #else
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     mbedtls_mpi l;
-    mbedtls_mpi_init( &l );
+    mbedtls_mpi_init(&l);
 
     /* Generate l such that 1 < l < p */
-    MPI_ECP_RAND( &l );
+    MPI_ECP_RAND(&l);
 
-    MPI_ECP_MUL( &P->X, &P->X, &l );
-    MPI_ECP_MUL( &P->Z, &P->Z, &l );
+    MPI_ECP_MUL(&P->X, &P->X, &l);
+    MPI_ECP_MUL(&P->Z, &P->Z, &l);
 
 cleanup:
-    mbedtls_mpi_free( &l );
+    mbedtls_mpi_free(&l);
 
-    if( ret == MBEDTLS_ERR_MPI_NOT_ACCEPTABLE )
+    if (ret == MBEDTLS_ERR_MPI_NOT_ACCEPTABLE) {
         ret = MBEDTLS_ERR_ECP_RANDOM_FAILED;
-    return( ret );
+    }
+    return ret;
 #endif /* !defined(MBEDTLS_ECP_NO_FALLBACK) || !defined(MBEDTLS_ECP_RANDOMIZE_MXZ_ALT) */
 }
 
@@ -2477,44 +2506,45 @@
  *
  * Cost: 5M + 4S
  */
-static int ecp_double_add_mxz( const mbedtls_ecp_group *grp,
-                               mbedtls_ecp_point *R, mbedtls_ecp_point *S,
-                               const mbedtls_ecp_point *P, const mbedtls_ecp_point *Q,
-                               const mbedtls_mpi *d,
-                               mbedtls_mpi T[4] )
+static int ecp_double_add_mxz(const mbedtls_ecp_group *grp,
+                              mbedtls_ecp_point *R, mbedtls_ecp_point *S,
+                              const mbedtls_ecp_point *P, const mbedtls_ecp_point *Q,
+                              const mbedtls_mpi *d,
+                              mbedtls_mpi T[4])
 {
 #if defined(MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT)
-    if( mbedtls_internal_ecp_grp_capable( grp ) )
-        return( mbedtls_internal_ecp_double_add_mxz( grp, R, S, P, Q, d ) );
+    if (mbedtls_internal_ecp_grp_capable(grp)) {
+        return mbedtls_internal_ecp_double_add_mxz(grp, R, S, P, Q, d);
+    }
 #endif /* MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT */
 
 #if defined(MBEDTLS_ECP_NO_FALLBACK) && defined(MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT)
-    return( MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE );
+    return MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE;
 #else
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 
-    MPI_ECP_ADD( &T[0], &P->X,   &P->Z ); /* Pp := PX + PZ                    */
-    MPI_ECP_SUB( &T[1], &P->X,   &P->Z ); /* Pm := PX - PZ                    */
-    MPI_ECP_ADD( &T[2], &Q->X,   &Q->Z ); /* Qp := QX + XZ                    */
-    MPI_ECP_SUB( &T[3], &Q->X,   &Q->Z ); /* Qm := QX - QZ                    */
-    MPI_ECP_MUL( &T[3], &T[3],   &T[0] ); /* Qm * Pp                          */
-    MPI_ECP_MUL( &T[2], &T[2],   &T[1] ); /* Qp * Pm                          */
-    MPI_ECP_SQR( &T[0], &T[0]          ); /* Pp^2                             */
-    MPI_ECP_SQR( &T[1], &T[1]          ); /* Pm^2                             */
-    MPI_ECP_MUL( &R->X, &T[0],   &T[1] ); /* Pp^2 * Pm^2                      */
-    MPI_ECP_SUB( &T[0], &T[0],   &T[1] ); /* Pp^2 - Pm^2                      */
-    MPI_ECP_MUL( &R->Z, &grp->A, &T[0] ); /* A * (Pp^2 - Pm^2)                */
-    MPI_ECP_ADD( &R->Z, &T[1],   &R->Z ); /* [ A * (Pp^2-Pm^2) ] + Pm^2       */
-    MPI_ECP_ADD( &S->X, &T[3],   &T[2] ); /* Qm*Pp + Qp*Pm                    */
-    MPI_ECP_SQR( &S->X, &S->X          ); /* (Qm*Pp + Qp*Pm)^2                */
-    MPI_ECP_SUB( &S->Z, &T[3],   &T[2] ); /* Qm*Pp - Qp*Pm                    */
-    MPI_ECP_SQR( &S->Z, &S->Z          ); /* (Qm*Pp - Qp*Pm)^2                */
-    MPI_ECP_MUL( &S->Z, d,       &S->Z ); /* d * ( Qm*Pp - Qp*Pm )^2          */
-    MPI_ECP_MUL( &R->Z, &T[0],   &R->Z ); /* [A*(Pp^2-Pm^2)+Pm^2]*(Pp^2-Pm^2) */
+    MPI_ECP_ADD(&T[0], &P->X,   &P->Z);   /* Pp := PX + PZ                    */
+    MPI_ECP_SUB(&T[1], &P->X,   &P->Z);   /* Pm := PX - PZ                    */
+    MPI_ECP_ADD(&T[2], &Q->X,   &Q->Z);   /* Qp := QX + XZ                    */
+    MPI_ECP_SUB(&T[3], &Q->X,   &Q->Z);   /* Qm := QX - QZ                    */
+    MPI_ECP_MUL(&T[3], &T[3],   &T[0]);   /* Qm * Pp                          */
+    MPI_ECP_MUL(&T[2], &T[2],   &T[1]);   /* Qp * Pm                          */
+    MPI_ECP_SQR(&T[0], &T[0]);            /* Pp^2                             */
+    MPI_ECP_SQR(&T[1], &T[1]);            /* Pm^2                             */
+    MPI_ECP_MUL(&R->X, &T[0],   &T[1]);   /* Pp^2 * Pm^2                      */
+    MPI_ECP_SUB(&T[0], &T[0],   &T[1]);   /* Pp^2 - Pm^2                      */
+    MPI_ECP_MUL(&R->Z, &grp->A, &T[0]);   /* A * (Pp^2 - Pm^2)                */
+    MPI_ECP_ADD(&R->Z, &T[1],   &R->Z);   /* [ A * (Pp^2-Pm^2) ] + Pm^2       */
+    MPI_ECP_ADD(&S->X, &T[3],   &T[2]);   /* Qm*Pp + Qp*Pm                    */
+    MPI_ECP_SQR(&S->X, &S->X);            /* (Qm*Pp + Qp*Pm)^2                */
+    MPI_ECP_SUB(&S->Z, &T[3],   &T[2]);   /* Qm*Pp - Qp*Pm                    */
+    MPI_ECP_SQR(&S->Z, &S->Z);            /* (Qm*Pp - Qp*Pm)^2                */
+    MPI_ECP_MUL(&S->Z, d,       &S->Z);   /* d * ( Qm*Pp - Qp*Pm )^2          */
+    MPI_ECP_MUL(&R->Z, &T[0],   &R->Z);   /* [A*(Pp^2-Pm^2)+Pm^2]*(Pp^2-Pm^2) */
 
 cleanup:
 
-    return( ret );
+    return ret;
 #endif /* !defined(MBEDTLS_ECP_NO_FALLBACK) || !defined(MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT) */
 }
 
@@ -2522,10 +2552,10 @@
  * Multiplication with Montgomery ladder in x/z coordinates,
  * for curves in Montgomery form
  */
-static int ecp_mul_mxz( mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
-                        const mbedtls_mpi *m, const mbedtls_ecp_point *P,
-                        int (*f_rng)(void *, unsigned char *, size_t),
-                        void *p_rng )
+static int ecp_mul_mxz(mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
+                       const mbedtls_mpi *m, const mbedtls_ecp_point *P,
+                       int (*f_rng)(void *, unsigned char *, size_t),
+                       void *p_rng)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     size_t i;
@@ -2533,33 +2563,33 @@
     mbedtls_ecp_point RP;
     mbedtls_mpi PX;
     mbedtls_mpi tmp[4];
-    mbedtls_ecp_point_init( &RP ); mbedtls_mpi_init( &PX );
+    mbedtls_ecp_point_init(&RP); mbedtls_mpi_init(&PX);
 
-    mpi_init_many( tmp, sizeof( tmp ) / sizeof( mbedtls_mpi ) );
+    mpi_init_many(tmp, sizeof(tmp) / sizeof(mbedtls_mpi));
 
-    if( f_rng == NULL )
-        return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+    if (f_rng == NULL) {
+        return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
+    }
 
     /* Save PX and read from P before writing to R, in case P == R */
-    MPI_ECP_MOV( &PX, &P->X );
-    MBEDTLS_MPI_CHK( mbedtls_ecp_copy( &RP, P ) );
+    MPI_ECP_MOV(&PX, &P->X);
+    MBEDTLS_MPI_CHK(mbedtls_ecp_copy(&RP, P));
 
     /* Set R to zero in modified x/z coordinates */
-    MPI_ECP_LSET( &R->X, 1 );
-    MPI_ECP_LSET( &R->Z, 0 );
-    mbedtls_mpi_free( &R->Y );
+    MPI_ECP_LSET(&R->X, 1);
+    MPI_ECP_LSET(&R->Z, 0);
+    mbedtls_mpi_free(&R->Y);
 
     /* RP.X might be slightly larger than P, so reduce it */
-    MOD_ADD( &RP.X );
+    MOD_ADD(&RP.X);
 
     /* Randomize coordinates of the starting point */
-    MBEDTLS_MPI_CHK( ecp_randomize_mxz( grp, &RP, f_rng, p_rng ) );
+    MBEDTLS_MPI_CHK(ecp_randomize_mxz(grp, &RP, f_rng, p_rng));
 
     /* Loop invariant: R = result so far, RP = R + P */
     i = grp->nbits + 1; /* one past the (zero-based) required msb for private keys */
-    while( i-- > 0 )
-    {
-        b = mbedtls_mpi_get_bit( m, i );
+    while (i-- > 0) {
+        b = mbedtls_mpi_get_bit(m, i);
         /*
          *  if (b) R = 2R + P else R = 2R,
          * which is:
@@ -2567,11 +2597,11 @@
          *  else   double_add( R, RP, R, RP )
          * but using safe conditional swaps to avoid leaks
          */
-        MPI_ECP_COND_SWAP( &R->X, &RP.X, b );
-        MPI_ECP_COND_SWAP( &R->Z, &RP.Z, b );
-        MBEDTLS_MPI_CHK( ecp_double_add_mxz( grp, R, &RP, R, &RP, &PX, tmp ) );
-        MPI_ECP_COND_SWAP( &R->X, &RP.X, b );
-        MPI_ECP_COND_SWAP( &R->Z, &RP.Z, b );
+        MPI_ECP_COND_SWAP(&R->X, &RP.X, b);
+        MPI_ECP_COND_SWAP(&R->Z, &RP.Z, b);
+        MBEDTLS_MPI_CHK(ecp_double_add_mxz(grp, R, &RP, R, &RP, &PX, tmp));
+        MPI_ECP_COND_SWAP(&R->X, &RP.X, b);
+        MPI_ECP_COND_SWAP(&R->Z, &RP.Z, b);
     }
 
     /*
@@ -2585,14 +2615,14 @@
      *
      * Avoid the leak by randomizing coordinates before we normalize them.
      */
-    MBEDTLS_MPI_CHK( ecp_randomize_mxz( grp, R, f_rng, p_rng ) );
-    MBEDTLS_MPI_CHK( ecp_normalize_mxz( grp, R ) );
+    MBEDTLS_MPI_CHK(ecp_randomize_mxz(grp, R, f_rng, p_rng));
+    MBEDTLS_MPI_CHK(ecp_normalize_mxz(grp, R));
 
 cleanup:
-    mbedtls_ecp_point_free( &RP ); mbedtls_mpi_free( &PX );
+    mbedtls_ecp_point_free(&RP); mbedtls_mpi_free(&PX);
 
-    mpi_free_many( tmp, sizeof( tmp ) / sizeof( mbedtls_mpi ) );
-    return( ret );
+    mpi_free_many(tmp, sizeof(tmp) / sizeof(mbedtls_mpi));
+    return ret;
 }
 
 #endif /* MBEDTLS_ECP_MONTGOMERY_ENABLED */
@@ -2603,10 +2633,10 @@
  * This internal function can be called without an RNG in case where we know
  * the inputs are not sensitive.
  */
-static int ecp_mul_restartable_internal( mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
-             const mbedtls_mpi *m, const mbedtls_ecp_point *P,
-             int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
-             mbedtls_ecp_restart_ctx *rs_ctx )
+static int ecp_mul_restartable_internal(mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
+                                        const mbedtls_mpi *m, const mbedtls_ecp_point *P,
+                                        int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
+                                        mbedtls_ecp_restart_ctx *rs_ctx)
 {
     int ret = MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
 #if defined(MBEDTLS_ECP_INTERNAL_ALT)
@@ -2615,79 +2645,85 @@
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
     /* reset ops count for this call if top-level */
-    if( rs_ctx != NULL && rs_ctx->depth++ == 0 )
+    if (rs_ctx != NULL && rs_ctx->depth++ == 0) {
         rs_ctx->ops_done = 0;
+    }
 #else
     (void) rs_ctx;
 #endif
 
 #if defined(MBEDTLS_ECP_INTERNAL_ALT)
-    if( ( is_grp_capable = mbedtls_internal_ecp_grp_capable( grp ) ) )
-        MBEDTLS_MPI_CHK( mbedtls_internal_ecp_init( grp ) );
+    if ((is_grp_capable = mbedtls_internal_ecp_grp_capable(grp))) {
+        MBEDTLS_MPI_CHK(mbedtls_internal_ecp_init(grp));
+    }
 #endif /* MBEDTLS_ECP_INTERNAL_ALT */
 
     int restarting = 0;
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-    restarting = ( rs_ctx != NULL && rs_ctx->rsm != NULL );
+    restarting = (rs_ctx != NULL && rs_ctx->rsm != NULL);
 #endif
     /* skip argument check when restarting */
-    if( !restarting )
-    {
+    if (!restarting) {
         /* check_privkey is free */
-        MBEDTLS_ECP_BUDGET( MBEDTLS_ECP_OPS_CHK );
+        MBEDTLS_ECP_BUDGET(MBEDTLS_ECP_OPS_CHK);
 
         /* Common sanity checks */
-        MBEDTLS_MPI_CHK( mbedtls_ecp_check_privkey( grp, m ) );
-        MBEDTLS_MPI_CHK( mbedtls_ecp_check_pubkey( grp, P ) );
+        MBEDTLS_MPI_CHK(mbedtls_ecp_check_privkey(grp, m));
+        MBEDTLS_MPI_CHK(mbedtls_ecp_check_pubkey(grp, P));
     }
 
     ret = MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
 #if defined(MBEDTLS_ECP_MONTGOMERY_ENABLED)
-    if( mbedtls_ecp_get_type( grp ) == MBEDTLS_ECP_TYPE_MONTGOMERY )
-        MBEDTLS_MPI_CHK( ecp_mul_mxz( grp, R, m, P, f_rng, p_rng ) );
+    if (mbedtls_ecp_get_type(grp) == MBEDTLS_ECP_TYPE_MONTGOMERY) {
+        MBEDTLS_MPI_CHK(ecp_mul_mxz(grp, R, m, P, f_rng, p_rng));
+    }
 #endif
 #if defined(MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED)
-    if( mbedtls_ecp_get_type( grp ) == MBEDTLS_ECP_TYPE_SHORT_WEIERSTRASS )
-        MBEDTLS_MPI_CHK( ecp_mul_comb( grp, R, m, P, f_rng, p_rng, rs_ctx ) );
+    if (mbedtls_ecp_get_type(grp) == MBEDTLS_ECP_TYPE_SHORT_WEIERSTRASS) {
+        MBEDTLS_MPI_CHK(ecp_mul_comb(grp, R, m, P, f_rng, p_rng, rs_ctx));
+    }
 #endif
 
 cleanup:
 
 #if defined(MBEDTLS_ECP_INTERNAL_ALT)
-    if( is_grp_capable )
-        mbedtls_internal_ecp_free( grp );
+    if (is_grp_capable) {
+        mbedtls_internal_ecp_free(grp);
+    }
 #endif /* MBEDTLS_ECP_INTERNAL_ALT */
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-    if( rs_ctx != NULL )
+    if (rs_ctx != NULL) {
         rs_ctx->depth--;
+    }
 #endif
 
-    return( ret );
+    return ret;
 }
 
 /*
  * Restartable multiplication R = m * P
  */
-int mbedtls_ecp_mul_restartable( mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
-             const mbedtls_mpi *m, const mbedtls_ecp_point *P,
-             int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
-             mbedtls_ecp_restart_ctx *rs_ctx )
+int mbedtls_ecp_mul_restartable(mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
+                                const mbedtls_mpi *m, const mbedtls_ecp_point *P,
+                                int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
+                                mbedtls_ecp_restart_ctx *rs_ctx)
 {
-    if( f_rng == NULL )
-        return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+    if (f_rng == NULL) {
+        return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
+    }
 
-    return( ecp_mul_restartable_internal( grp, R, m, P, f_rng, p_rng, rs_ctx ) );
+    return ecp_mul_restartable_internal(grp, R, m, P, f_rng, p_rng, rs_ctx);
 }
 
 /*
  * Multiplication R = m * P
  */
-int mbedtls_ecp_mul( mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
-             const mbedtls_mpi *m, const mbedtls_ecp_point *P,
-             int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
+int mbedtls_ecp_mul(mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
+                    const mbedtls_mpi *m, const mbedtls_ecp_point *P,
+                    int (*f_rng)(void *, unsigned char *, size_t), void *p_rng)
 {
-    return( mbedtls_ecp_mul_restartable( grp, R, m, P, f_rng, p_rng, NULL ) );
+    return mbedtls_ecp_mul_restartable(grp, R, m, P, f_rng, p_rng, NULL);
 }
 
 #if defined(MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED)
@@ -2695,35 +2731,37 @@
  * Check that an affine point is valid as a public key,
  * short weierstrass curves (SEC1 3.2.3.1)
  */
-static int ecp_check_pubkey_sw( const mbedtls_ecp_group *grp, const mbedtls_ecp_point *pt )
+static int ecp_check_pubkey_sw(const mbedtls_ecp_group *grp, const mbedtls_ecp_point *pt)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     mbedtls_mpi YY, RHS;
 
     /* pt coordinates must be normalized for our checks */
-    if( mbedtls_mpi_cmp_int( &pt->X, 0 ) < 0 ||
-        mbedtls_mpi_cmp_int( &pt->Y, 0 ) < 0 ||
-        mbedtls_mpi_cmp_mpi( &pt->X, &grp->P ) >= 0 ||
-        mbedtls_mpi_cmp_mpi( &pt->Y, &grp->P ) >= 0 )
-        return( MBEDTLS_ERR_ECP_INVALID_KEY );
+    if (mbedtls_mpi_cmp_int(&pt->X, 0) < 0 ||
+        mbedtls_mpi_cmp_int(&pt->Y, 0) < 0 ||
+        mbedtls_mpi_cmp_mpi(&pt->X, &grp->P) >= 0 ||
+        mbedtls_mpi_cmp_mpi(&pt->Y, &grp->P) >= 0) {
+        return MBEDTLS_ERR_ECP_INVALID_KEY;
+    }
 
-    mbedtls_mpi_init( &YY ); mbedtls_mpi_init( &RHS );
+    mbedtls_mpi_init(&YY); mbedtls_mpi_init(&RHS);
 
     /*
      * YY = Y^2
      * RHS = X^3 + A X + B
      */
-    MPI_ECP_SQR( &YY,  &pt->Y );
-    MBEDTLS_MPI_CHK( ecp_sw_rhs( grp, &RHS, &pt->X ) );
+    MPI_ECP_SQR(&YY,  &pt->Y);
+    MBEDTLS_MPI_CHK(ecp_sw_rhs(grp, &RHS, &pt->X));
 
-    if( MPI_ECP_CMP( &YY, &RHS ) != 0 )
+    if (MPI_ECP_CMP(&YY, &RHS) != 0) {
         ret = MBEDTLS_ERR_ECP_INVALID_KEY;
+    }
 
 cleanup:
 
-    mbedtls_mpi_free( &YY ); mbedtls_mpi_free( &RHS );
+    mbedtls_mpi_free(&YY); mbedtls_mpi_free(&RHS);
 
-    return( ret );
+    return ret;
 }
 #endif /* MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED */
 
@@ -2732,42 +2770,35 @@
  * R = m * P with shortcuts for m == 0, m == 1 and m == -1
  * NOT constant-time - ONLY for short Weierstrass!
  */
-static int mbedtls_ecp_mul_shortcuts( mbedtls_ecp_group *grp,
-                                      mbedtls_ecp_point *R,
-                                      const mbedtls_mpi *m,
-                                      const mbedtls_ecp_point *P,
-                                      mbedtls_ecp_restart_ctx *rs_ctx )
+static int mbedtls_ecp_mul_shortcuts(mbedtls_ecp_group *grp,
+                                     mbedtls_ecp_point *R,
+                                     const mbedtls_mpi *m,
+                                     const mbedtls_ecp_point *P,
+                                     mbedtls_ecp_restart_ctx *rs_ctx)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     mbedtls_mpi tmp;
-    mbedtls_mpi_init( &tmp );
+    mbedtls_mpi_init(&tmp);
 
-    if( mbedtls_mpi_cmp_int( m, 0 ) == 0 )
-    {
-        MBEDTLS_MPI_CHK( mbedtls_ecp_check_pubkey( grp, P ) );
-        MBEDTLS_MPI_CHK( mbedtls_ecp_set_zero( R ) );
-    }
-    else if( mbedtls_mpi_cmp_int( m, 1 ) == 0 )
-    {
-        MBEDTLS_MPI_CHK( mbedtls_ecp_check_pubkey( grp, P ) );
-        MBEDTLS_MPI_CHK( mbedtls_ecp_copy( R, P ) );
-    }
-    else if( mbedtls_mpi_cmp_int( m, -1 ) == 0 )
-    {
-        MBEDTLS_MPI_CHK( mbedtls_ecp_check_pubkey( grp, P ) );
-        MBEDTLS_MPI_CHK( mbedtls_ecp_copy( R, P ) );
-        MPI_ECP_NEG( &R->Y );
-    }
-    else
-    {
-        MBEDTLS_MPI_CHK( ecp_mul_restartable_internal( grp, R, m, P,
-                                                       NULL, NULL, rs_ctx ) );
+    if (mbedtls_mpi_cmp_int(m, 0) == 0) {
+        MBEDTLS_MPI_CHK(mbedtls_ecp_check_pubkey(grp, P));
+        MBEDTLS_MPI_CHK(mbedtls_ecp_set_zero(R));
+    } else if (mbedtls_mpi_cmp_int(m, 1) == 0) {
+        MBEDTLS_MPI_CHK(mbedtls_ecp_check_pubkey(grp, P));
+        MBEDTLS_MPI_CHK(mbedtls_ecp_copy(R, P));
+    } else if (mbedtls_mpi_cmp_int(m, -1) == 0) {
+        MBEDTLS_MPI_CHK(mbedtls_ecp_check_pubkey(grp, P));
+        MBEDTLS_MPI_CHK(mbedtls_ecp_copy(R, P));
+        MPI_ECP_NEG(&R->Y);
+    } else {
+        MBEDTLS_MPI_CHK(ecp_mul_restartable_internal(grp, R, m, P,
+                                                     NULL, NULL, rs_ctx));
     }
 
 cleanup:
-    mbedtls_mpi_free( &tmp );
+    mbedtls_mpi_free(&tmp);
 
-    return( ret );
+    return ret;
 }
 
 /*
@@ -2775,10 +2806,10 @@
  * NOT constant-time
  */
 int mbedtls_ecp_muladd_restartable(
-             mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
-             const mbedtls_mpi *m, const mbedtls_ecp_point *P,
-             const mbedtls_mpi *n, const mbedtls_ecp_point *Q,
-             mbedtls_ecp_restart_ctx *rs_ctx )
+    mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
+    const mbedtls_mpi *m, const mbedtls_ecp_point *P,
+    const mbedtls_mpi *n, const mbedtls_ecp_point *Q,
+    mbedtls_ecp_restart_ctx *rs_ctx)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     mbedtls_ecp_point mP;
@@ -2788,98 +2819,107 @@
 #if defined(MBEDTLS_ECP_INTERNAL_ALT)
     char is_grp_capable = 0;
 #endif
-    if( mbedtls_ecp_get_type( grp ) != MBEDTLS_ECP_TYPE_SHORT_WEIERSTRASS )
-        return( MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE );
+    if (mbedtls_ecp_get_type(grp) != MBEDTLS_ECP_TYPE_SHORT_WEIERSTRASS) {
+        return MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE;
+    }
 
-    mbedtls_ecp_point_init( &mP );
-    mpi_init_many( tmp, sizeof( tmp ) / sizeof( mbedtls_mpi ) );
+    mbedtls_ecp_point_init(&mP);
+    mpi_init_many(tmp, sizeof(tmp) / sizeof(mbedtls_mpi));
 
-    ECP_RS_ENTER( ma );
+    ECP_RS_ENTER(ma);
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-    if( rs_ctx != NULL && rs_ctx->ma != NULL )
-    {
+    if (rs_ctx != NULL && rs_ctx->ma != NULL) {
         /* redirect intermediate results to restart context */
         pmP = &rs_ctx->ma->mP;
         pR  = &rs_ctx->ma->R;
 
         /* jump to next operation */
-        if( rs_ctx->ma->state == ecp_rsma_mul2 )
+        if (rs_ctx->ma->state == ecp_rsma_mul2) {
             goto mul2;
-        if( rs_ctx->ma->state == ecp_rsma_add )
+        }
+        if (rs_ctx->ma->state == ecp_rsma_add) {
             goto add;
-        if( rs_ctx->ma->state == ecp_rsma_norm )
+        }
+        if (rs_ctx->ma->state == ecp_rsma_norm) {
             goto norm;
+        }
     }
 #endif /* MBEDTLS_ECP_RESTARTABLE */
 
-    MBEDTLS_MPI_CHK( mbedtls_ecp_mul_shortcuts( grp, pmP, m, P, rs_ctx ) );
+    MBEDTLS_MPI_CHK(mbedtls_ecp_mul_shortcuts(grp, pmP, m, P, rs_ctx));
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-    if( rs_ctx != NULL && rs_ctx->ma != NULL )
+    if (rs_ctx != NULL && rs_ctx->ma != NULL) {
         rs_ctx->ma->state = ecp_rsma_mul2;
+    }
 
 mul2:
 #endif
-    MBEDTLS_MPI_CHK( mbedtls_ecp_mul_shortcuts( grp, pR,  n, Q, rs_ctx ) );
+    MBEDTLS_MPI_CHK(mbedtls_ecp_mul_shortcuts(grp, pR,  n, Q, rs_ctx));
 
 #if defined(MBEDTLS_ECP_INTERNAL_ALT)
-    if( ( is_grp_capable = mbedtls_internal_ecp_grp_capable( grp ) ) )
-        MBEDTLS_MPI_CHK( mbedtls_internal_ecp_init( grp ) );
+    if ((is_grp_capable = mbedtls_internal_ecp_grp_capable(grp))) {
+        MBEDTLS_MPI_CHK(mbedtls_internal_ecp_init(grp));
+    }
 #endif /* MBEDTLS_ECP_INTERNAL_ALT */
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-    if( rs_ctx != NULL && rs_ctx->ma != NULL )
+    if (rs_ctx != NULL && rs_ctx->ma != NULL) {
         rs_ctx->ma->state = ecp_rsma_add;
+    }
 
 add:
 #endif
-    MBEDTLS_ECP_BUDGET( MBEDTLS_ECP_OPS_ADD );
-    MBEDTLS_MPI_CHK( ecp_add_mixed( grp, pR, pmP, pR, tmp ) );
+    MBEDTLS_ECP_BUDGET(MBEDTLS_ECP_OPS_ADD);
+    MBEDTLS_MPI_CHK(ecp_add_mixed(grp, pR, pmP, pR, tmp));
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-    if( rs_ctx != NULL && rs_ctx->ma != NULL )
+    if (rs_ctx != NULL && rs_ctx->ma != NULL) {
         rs_ctx->ma->state = ecp_rsma_norm;
+    }
 
 norm:
 #endif
-    MBEDTLS_ECP_BUDGET( MBEDTLS_ECP_OPS_INV );
-    MBEDTLS_MPI_CHK( ecp_normalize_jac( grp, pR ) );
+    MBEDTLS_ECP_BUDGET(MBEDTLS_ECP_OPS_INV);
+    MBEDTLS_MPI_CHK(ecp_normalize_jac(grp, pR));
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-    if( rs_ctx != NULL && rs_ctx->ma != NULL )
-        MBEDTLS_MPI_CHK( mbedtls_ecp_copy( R, pR ) );
+    if (rs_ctx != NULL && rs_ctx->ma != NULL) {
+        MBEDTLS_MPI_CHK(mbedtls_ecp_copy(R, pR));
+    }
 #endif
 
 cleanup:
 
-    mpi_free_many( tmp, sizeof( tmp ) / sizeof( mbedtls_mpi ) );
+    mpi_free_many(tmp, sizeof(tmp) / sizeof(mbedtls_mpi));
 
 #if defined(MBEDTLS_ECP_INTERNAL_ALT)
-    if( is_grp_capable )
-        mbedtls_internal_ecp_free( grp );
+    if (is_grp_capable) {
+        mbedtls_internal_ecp_free(grp);
+    }
 #endif /* MBEDTLS_ECP_INTERNAL_ALT */
 
-    mbedtls_ecp_point_free( &mP );
+    mbedtls_ecp_point_free(&mP);
 
-    ECP_RS_LEAVE( ma );
+    ECP_RS_LEAVE(ma);
 
-    return( ret );
+    return ret;
 }
 
 /*
  * Linear combination
  * NOT constant-time
  */
-int mbedtls_ecp_muladd( mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
-             const mbedtls_mpi *m, const mbedtls_ecp_point *P,
-             const mbedtls_mpi *n, const mbedtls_ecp_point *Q )
+int mbedtls_ecp_muladd(mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
+                       const mbedtls_mpi *m, const mbedtls_ecp_point *P,
+                       const mbedtls_mpi *n, const mbedtls_ecp_point *Q)
 {
-    return( mbedtls_ecp_muladd_restartable( grp, R, m, P, n, Q, NULL ) );
+    return mbedtls_ecp_muladd_restartable(grp, R, m, P, n, Q, NULL);
 }
 #endif /* MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED */
 
 #if defined(MBEDTLS_ECP_MONTGOMERY_ENABLED)
 #if defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED)
-#define ECP_MPI_INIT(s, n, p) {s, (n), (mbedtls_mpi_uint *)(p)}
+#define ECP_MPI_INIT(s, n, p) { s, (n), (mbedtls_mpi_uint *) (p) }
 #define ECP_MPI_INIT_ARRAY(x)   \
     ECP_MPI_INIT(1, sizeof(x) / sizeof(mbedtls_mpi_uint), x)
 /*
@@ -2888,21 +2928,21 @@
  * See ecp_check_pubkey_x25519().
  */
 static const mbedtls_mpi_uint x25519_bad_point_1[] = {
-    MBEDTLS_BYTES_TO_T_UINT_8( 0xe0, 0xeb, 0x7a, 0x7c, 0x3b, 0x41, 0xb8, 0xae ),
-    MBEDTLS_BYTES_TO_T_UINT_8( 0x16, 0x56, 0xe3, 0xfa, 0xf1, 0x9f, 0xc4, 0x6a ),
-    MBEDTLS_BYTES_TO_T_UINT_8( 0xda, 0x09, 0x8d, 0xeb, 0x9c, 0x32, 0xb1, 0xfd ),
-    MBEDTLS_BYTES_TO_T_UINT_8( 0x86, 0x62, 0x05, 0x16, 0x5f, 0x49, 0xb8, 0x00 ),
+    MBEDTLS_BYTES_TO_T_UINT_8(0xe0, 0xeb, 0x7a, 0x7c, 0x3b, 0x41, 0xb8, 0xae),
+    MBEDTLS_BYTES_TO_T_UINT_8(0x16, 0x56, 0xe3, 0xfa, 0xf1, 0x9f, 0xc4, 0x6a),
+    MBEDTLS_BYTES_TO_T_UINT_8(0xda, 0x09, 0x8d, 0xeb, 0x9c, 0x32, 0xb1, 0xfd),
+    MBEDTLS_BYTES_TO_T_UINT_8(0x86, 0x62, 0x05, 0x16, 0x5f, 0x49, 0xb8, 0x00),
 };
 static const mbedtls_mpi_uint x25519_bad_point_2[] = {
-    MBEDTLS_BYTES_TO_T_UINT_8( 0x5f, 0x9c, 0x95, 0xbc, 0xa3, 0x50, 0x8c, 0x24 ),
-    MBEDTLS_BYTES_TO_T_UINT_8( 0xb1, 0xd0, 0xb1, 0x55, 0x9c, 0x83, 0xef, 0x5b ),
-    MBEDTLS_BYTES_TO_T_UINT_8( 0x04, 0x44, 0x5c, 0xc4, 0x58, 0x1c, 0x8e, 0x86 ),
-    MBEDTLS_BYTES_TO_T_UINT_8( 0xd8, 0x22, 0x4e, 0xdd, 0xd0, 0x9f, 0x11, 0x57 ),
+    MBEDTLS_BYTES_TO_T_UINT_8(0x5f, 0x9c, 0x95, 0xbc, 0xa3, 0x50, 0x8c, 0x24),
+    MBEDTLS_BYTES_TO_T_UINT_8(0xb1, 0xd0, 0xb1, 0x55, 0x9c, 0x83, 0xef, 0x5b),
+    MBEDTLS_BYTES_TO_T_UINT_8(0x04, 0x44, 0x5c, 0xc4, 0x58, 0x1c, 0x8e, 0x86),
+    MBEDTLS_BYTES_TO_T_UINT_8(0xd8, 0x22, 0x4e, 0xdd, 0xd0, 0x9f, 0x11, 0x57),
 };
 static const mbedtls_mpi ecp_x25519_bad_point_1 = ECP_MPI_INIT_ARRAY(
-        x25519_bad_point_1 );
+    x25519_bad_point_1);
 static const mbedtls_mpi ecp_x25519_bad_point_2 = ECP_MPI_INIT_ARRAY(
-        x25519_bad_point_2 );
+    x25519_bad_point_2);
 #endif /* MBEDTLS_ECP_DP_CURVE25519_ENABLED */
 
 /*
@@ -2911,40 +2951,37 @@
  * https://eprint.iacr.org/2017/806.pdf
  * Those points are never sent by an honest peer.
  */
-static int ecp_check_bad_points_mx( const mbedtls_mpi *X, const mbedtls_mpi *P,
-                                    const mbedtls_ecp_group_id grp_id )
+static int ecp_check_bad_points_mx(const mbedtls_mpi *X, const mbedtls_mpi *P,
+                                   const mbedtls_ecp_group_id grp_id)
 {
     int ret;
     mbedtls_mpi XmP;
 
-    mbedtls_mpi_init( &XmP );
+    mbedtls_mpi_init(&XmP);
 
     /* Reduce X mod P so that we only need to check values less than P.
      * We know X < 2^256 so we can proceed by subtraction. */
-    MBEDTLS_MPI_CHK( mbedtls_mpi_copy( &XmP, X ) );
-    while( mbedtls_mpi_cmp_mpi( &XmP, P ) >= 0 )
-        MBEDTLS_MPI_CHK( mbedtls_mpi_sub_mpi( &XmP, &XmP, P ) );
+    MBEDTLS_MPI_CHK(mbedtls_mpi_copy(&XmP, X));
+    while (mbedtls_mpi_cmp_mpi(&XmP, P) >= 0) {
+        MBEDTLS_MPI_CHK(mbedtls_mpi_sub_mpi(&XmP, &XmP, P));
+    }
 
     /* Check against the known bad values that are less than P. For Curve448
      * these are 0, 1 and -1. For Curve25519 we check the values less than P
      * from the following list: https://cr.yp.to/ecdh.html#validate */
-    if( mbedtls_mpi_cmp_int( &XmP, 1 ) <= 0 ) /* takes care of 0 and 1 */
-    {
+    if (mbedtls_mpi_cmp_int(&XmP, 1) <= 0) {  /* takes care of 0 and 1 */
         ret = MBEDTLS_ERR_ECP_INVALID_KEY;
         goto cleanup;
     }
 
 #if defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED)
-    if( grp_id == MBEDTLS_ECP_DP_CURVE25519 )
-    {
-        if( mbedtls_mpi_cmp_mpi( &XmP, &ecp_x25519_bad_point_1 ) == 0 )
-        {
+    if (grp_id == MBEDTLS_ECP_DP_CURVE25519) {
+        if (mbedtls_mpi_cmp_mpi(&XmP, &ecp_x25519_bad_point_1) == 0) {
             ret = MBEDTLS_ERR_ECP_INVALID_KEY;
             goto cleanup;
         }
 
-        if( mbedtls_mpi_cmp_mpi( &XmP, &ecp_x25519_bad_point_2 ) == 0 )
-        {
+        if (mbedtls_mpi_cmp_mpi(&XmP, &ecp_x25519_bad_point_2) == 0) {
             ret = MBEDTLS_ERR_ECP_INVALID_KEY;
             goto cleanup;
         }
@@ -2954,9 +2991,8 @@
 #endif
 
     /* Final check: check if XmP + 1 is P (final because it changes XmP!) */
-    MBEDTLS_MPI_CHK( mbedtls_mpi_add_int( &XmP, &XmP, 1 ) );
-    if( mbedtls_mpi_cmp_mpi( &XmP, P ) == 0 )
-    {
+    MBEDTLS_MPI_CHK(mbedtls_mpi_add_int(&XmP, &XmP, 1));
+    if (mbedtls_mpi_cmp_mpi(&XmP, P) == 0) {
         ret = MBEDTLS_ERR_ECP_INVALID_KEY;
         goto cleanup;
     }
@@ -2964,96 +3000,102 @@
     ret = 0;
 
 cleanup:
-    mbedtls_mpi_free( &XmP );
+    mbedtls_mpi_free(&XmP);
 
-    return( ret );
+    return ret;
 }
 
 /*
  * Check validity of a public key for Montgomery curves with x-only schemes
  */
-static int ecp_check_pubkey_mx( const mbedtls_ecp_group *grp, const mbedtls_ecp_point *pt )
+static int ecp_check_pubkey_mx(const mbedtls_ecp_group *grp, const mbedtls_ecp_point *pt)
 {
     /* [Curve25519 p. 5] Just check X is the correct number of bytes */
     /* Allow any public value, if it's too big then we'll just reduce it mod p
      * (RFC 7748 sec. 5 para. 3). */
-    if( mbedtls_mpi_size( &pt->X ) > ( grp->nbits + 7 ) / 8 )
-        return( MBEDTLS_ERR_ECP_INVALID_KEY );
+    if (mbedtls_mpi_size(&pt->X) > (grp->nbits + 7) / 8) {
+        return MBEDTLS_ERR_ECP_INVALID_KEY;
+    }
 
     /* Implicit in all standards (as they don't consider negative numbers):
      * X must be non-negative. This is normally ensured by the way it's
      * encoded for transmission, but let's be extra sure. */
-    if( mbedtls_mpi_cmp_int( &pt->X, 0 ) < 0 )
-        return( MBEDTLS_ERR_ECP_INVALID_KEY );
+    if (mbedtls_mpi_cmp_int(&pt->X, 0) < 0) {
+        return MBEDTLS_ERR_ECP_INVALID_KEY;
+    }
 
-    return( ecp_check_bad_points_mx( &pt->X, &grp->P, grp->id ) );
+    return ecp_check_bad_points_mx(&pt->X, &grp->P, grp->id);
 }
 #endif /* MBEDTLS_ECP_MONTGOMERY_ENABLED */
 
 /*
  * Check that a point is valid as a public key
  */
-int mbedtls_ecp_check_pubkey( const mbedtls_ecp_group *grp,
-                              const mbedtls_ecp_point *pt )
+int mbedtls_ecp_check_pubkey(const mbedtls_ecp_group *grp,
+                             const mbedtls_ecp_point *pt)
 {
     /* Must use affine coordinates */
-    if( mbedtls_mpi_cmp_int( &pt->Z, 1 ) != 0 )
-        return( MBEDTLS_ERR_ECP_INVALID_KEY );
+    if (mbedtls_mpi_cmp_int(&pt->Z, 1) != 0) {
+        return MBEDTLS_ERR_ECP_INVALID_KEY;
+    }
 
 #if defined(MBEDTLS_ECP_MONTGOMERY_ENABLED)
-    if( mbedtls_ecp_get_type( grp ) == MBEDTLS_ECP_TYPE_MONTGOMERY )
-        return( ecp_check_pubkey_mx( grp, pt ) );
+    if (mbedtls_ecp_get_type(grp) == MBEDTLS_ECP_TYPE_MONTGOMERY) {
+        return ecp_check_pubkey_mx(grp, pt);
+    }
 #endif
 #if defined(MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED)
-    if( mbedtls_ecp_get_type( grp ) == MBEDTLS_ECP_TYPE_SHORT_WEIERSTRASS )
-        return( ecp_check_pubkey_sw( grp, pt ) );
+    if (mbedtls_ecp_get_type(grp) == MBEDTLS_ECP_TYPE_SHORT_WEIERSTRASS) {
+        return ecp_check_pubkey_sw(grp, pt);
+    }
 #endif
-    return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+    return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
 }
 
 /*
  * Check that an mbedtls_mpi is valid as a private key
  */
-int mbedtls_ecp_check_privkey( const mbedtls_ecp_group *grp,
-                               const mbedtls_mpi *d )
+int mbedtls_ecp_check_privkey(const mbedtls_ecp_group *grp,
+                              const mbedtls_mpi *d)
 {
 #if defined(MBEDTLS_ECP_MONTGOMERY_ENABLED)
-    if( mbedtls_ecp_get_type( grp ) == MBEDTLS_ECP_TYPE_MONTGOMERY )
-    {
+    if (mbedtls_ecp_get_type(grp) == MBEDTLS_ECP_TYPE_MONTGOMERY) {
         /* see RFC 7748 sec. 5 para. 5 */
-        if( mbedtls_mpi_get_bit( d, 0 ) != 0 ||
-            mbedtls_mpi_get_bit( d, 1 ) != 0 ||
-            mbedtls_mpi_bitlen( d ) - 1 != grp->nbits ) /* mbedtls_mpi_bitlen is one-based! */
-            return( MBEDTLS_ERR_ECP_INVALID_KEY );
+        if (mbedtls_mpi_get_bit(d, 0) != 0 ||
+            mbedtls_mpi_get_bit(d, 1) != 0 ||
+            mbedtls_mpi_bitlen(d) - 1 != grp->nbits) {  /* mbedtls_mpi_bitlen is one-based! */
+            return MBEDTLS_ERR_ECP_INVALID_KEY;
+        }
 
         /* see [Curve25519] page 5 */
-        if( grp->nbits == 254 && mbedtls_mpi_get_bit( d, 2 ) != 0 )
-            return( MBEDTLS_ERR_ECP_INVALID_KEY );
+        if (grp->nbits == 254 && mbedtls_mpi_get_bit(d, 2) != 0) {
+            return MBEDTLS_ERR_ECP_INVALID_KEY;
+        }
 
-        return( 0 );
+        return 0;
     }
 #endif /* MBEDTLS_ECP_MONTGOMERY_ENABLED */
 #if defined(MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED)
-    if( mbedtls_ecp_get_type( grp ) == MBEDTLS_ECP_TYPE_SHORT_WEIERSTRASS )
-    {
+    if (mbedtls_ecp_get_type(grp) == MBEDTLS_ECP_TYPE_SHORT_WEIERSTRASS) {
         /* see SEC1 3.2 */
-        if( mbedtls_mpi_cmp_int( d, 1 ) < 0 ||
-            mbedtls_mpi_cmp_mpi( d, &grp->N ) >= 0 )
-            return( MBEDTLS_ERR_ECP_INVALID_KEY );
-        else
-            return( 0 );
+        if (mbedtls_mpi_cmp_int(d, 1) < 0 ||
+            mbedtls_mpi_cmp_mpi(d, &grp->N) >= 0) {
+            return MBEDTLS_ERR_ECP_INVALID_KEY;
+        } else {
+            return 0;
+        }
     }
 #endif /* MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED */
 
-    return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+    return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
 }
 
 #if defined(MBEDTLS_ECP_MONTGOMERY_ENABLED)
 MBEDTLS_STATIC_TESTABLE
-int mbedtls_ecp_gen_privkey_mx( size_t high_bit,
-                                mbedtls_mpi *d,
-                                int (*f_rng)(void *, unsigned char *, size_t),
-                                void *p_rng )
+int mbedtls_ecp_gen_privkey_mx(size_t high_bit,
+                               mbedtls_mpi *d,
+                               int (*f_rng)(void *, unsigned char *, size_t),
+                               void *p_rng)
 {
     int ret = MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
     size_t n_random_bytes = high_bit / 8 + 1;
@@ -3062,38 +3104,36 @@
     /* Generate a (high_bit+1)-bit random number by generating just enough
      * random bytes, then shifting out extra bits from the top (necessary
      * when (high_bit+1) is not a multiple of 8). */
-    MBEDTLS_MPI_CHK( mbedtls_mpi_fill_random( d, n_random_bytes,
-                                              f_rng, p_rng ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_shift_r( d, 8 * n_random_bytes - high_bit - 1 ) );
+    MBEDTLS_MPI_CHK(mbedtls_mpi_fill_random(d, n_random_bytes,
+                                            f_rng, p_rng));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_shift_r(d, 8 * n_random_bytes - high_bit - 1));
 
-    MBEDTLS_MPI_CHK( mbedtls_mpi_set_bit( d, high_bit, 1 ) );
+    MBEDTLS_MPI_CHK(mbedtls_mpi_set_bit(d, high_bit, 1));
 
     /* Make sure the last two bits are unset for Curve448, three bits for
        Curve25519 */
-    MBEDTLS_MPI_CHK( mbedtls_mpi_set_bit( d, 0, 0 ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_set_bit( d, 1, 0 ) );
-    if( high_bit == 254 )
-    {
-        MBEDTLS_MPI_CHK( mbedtls_mpi_set_bit( d, 2, 0 ) );
+    MBEDTLS_MPI_CHK(mbedtls_mpi_set_bit(d, 0, 0));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_set_bit(d, 1, 0));
+    if (high_bit == 254) {
+        MBEDTLS_MPI_CHK(mbedtls_mpi_set_bit(d, 2, 0));
     }
 
 cleanup:
-    return( ret );
+    return ret;
 }
 #endif /* MBEDTLS_ECP_MONTGOMERY_ENABLED */
 
 #if defined(MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED)
 static int mbedtls_ecp_gen_privkey_sw(
     const mbedtls_mpi *N, mbedtls_mpi *d,
-    int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
+    int (*f_rng)(void *, unsigned char *, size_t), void *p_rng)
 {
-    int ret = mbedtls_mpi_random( d, 1, N, f_rng, p_rng );
-    switch( ret )
-    {
+    int ret = mbedtls_mpi_random(d, 1, N, f_rng, p_rng);
+    switch (ret) {
         case MBEDTLS_ERR_MPI_NOT_ACCEPTABLE:
-            return( MBEDTLS_ERR_ECP_RANDOM_FAILED );
+            return MBEDTLS_ERR_ECP_RANDOM_FAILED;
         default:
-            return( ret );
+            return ret;
     }
 }
 #endif /* MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED */
@@ -3101,63 +3141,66 @@
 /*
  * Generate a private key
  */
-int mbedtls_ecp_gen_privkey( const mbedtls_ecp_group *grp,
-                     mbedtls_mpi *d,
-                     int (*f_rng)(void *, unsigned char *, size_t),
-                     void *p_rng )
+int mbedtls_ecp_gen_privkey(const mbedtls_ecp_group *grp,
+                            mbedtls_mpi *d,
+                            int (*f_rng)(void *, unsigned char *, size_t),
+                            void *p_rng)
 {
 #if defined(MBEDTLS_ECP_MONTGOMERY_ENABLED)
-    if( mbedtls_ecp_get_type( grp ) == MBEDTLS_ECP_TYPE_MONTGOMERY )
-        return( mbedtls_ecp_gen_privkey_mx( grp->nbits, d, f_rng, p_rng ) );
+    if (mbedtls_ecp_get_type(grp) == MBEDTLS_ECP_TYPE_MONTGOMERY) {
+        return mbedtls_ecp_gen_privkey_mx(grp->nbits, d, f_rng, p_rng);
+    }
 #endif /* MBEDTLS_ECP_MONTGOMERY_ENABLED */
 
 #if defined(MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED)
-    if( mbedtls_ecp_get_type( grp ) == MBEDTLS_ECP_TYPE_SHORT_WEIERSTRASS )
-        return( mbedtls_ecp_gen_privkey_sw( &grp->N, d, f_rng, p_rng ) );
+    if (mbedtls_ecp_get_type(grp) == MBEDTLS_ECP_TYPE_SHORT_WEIERSTRASS) {
+        return mbedtls_ecp_gen_privkey_sw(&grp->N, d, f_rng, p_rng);
+    }
 #endif /* MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED */
 
-    return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+    return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
 }
 
 /*
  * Generate a keypair with configurable base point
  */
-int mbedtls_ecp_gen_keypair_base( mbedtls_ecp_group *grp,
-                     const mbedtls_ecp_point *G,
-                     mbedtls_mpi *d, mbedtls_ecp_point *Q,
-                     int (*f_rng)(void *, unsigned char *, size_t),
-                     void *p_rng )
+int mbedtls_ecp_gen_keypair_base(mbedtls_ecp_group *grp,
+                                 const mbedtls_ecp_point *G,
+                                 mbedtls_mpi *d, mbedtls_ecp_point *Q,
+                                 int (*f_rng)(void *, unsigned char *, size_t),
+                                 void *p_rng)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    MBEDTLS_MPI_CHK( mbedtls_ecp_gen_privkey( grp, d, f_rng, p_rng ) );
-    MBEDTLS_MPI_CHK( mbedtls_ecp_mul( grp, Q, d, G, f_rng, p_rng ) );
+    MBEDTLS_MPI_CHK(mbedtls_ecp_gen_privkey(grp, d, f_rng, p_rng));
+    MBEDTLS_MPI_CHK(mbedtls_ecp_mul(grp, Q, d, G, f_rng, p_rng));
 
 cleanup:
-    return( ret );
+    return ret;
 }
 
 /*
  * Generate key pair, wrapper for conventional base point
  */
-int mbedtls_ecp_gen_keypair( mbedtls_ecp_group *grp,
-                             mbedtls_mpi *d, mbedtls_ecp_point *Q,
-                             int (*f_rng)(void *, unsigned char *, size_t),
-                             void *p_rng )
+int mbedtls_ecp_gen_keypair(mbedtls_ecp_group *grp,
+                            mbedtls_mpi *d, mbedtls_ecp_point *Q,
+                            int (*f_rng)(void *, unsigned char *, size_t),
+                            void *p_rng)
 {
-    return( mbedtls_ecp_gen_keypair_base( grp, &grp->G, d, Q, f_rng, p_rng ) );
+    return mbedtls_ecp_gen_keypair_base(grp, &grp->G, d, Q, f_rng, p_rng);
 }
 
 /*
  * Generate a keypair, prettier wrapper
  */
-int mbedtls_ecp_gen_key( mbedtls_ecp_group_id grp_id, mbedtls_ecp_keypair *key,
-                int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
+int mbedtls_ecp_gen_key(mbedtls_ecp_group_id grp_id, mbedtls_ecp_keypair *key,
+                        int (*f_rng)(void *, unsigned char *, size_t), void *p_rng)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    if( ( ret = mbedtls_ecp_group_load( &key->grp, grp_id ) ) != 0 )
-        return( ret );
+    if ((ret = mbedtls_ecp_group_load(&key->grp, grp_id)) != 0) {
+        return ret;
+    }
 
-    return( mbedtls_ecp_gen_keypair( &key->grp, &key->d, &key->Q, f_rng, p_rng ) );
+    return mbedtls_ecp_gen_keypair(&key->grp, &key->d, &key->Q, f_rng, p_rng);
 }
 
 #define ECP_CURVE25519_KEY_SIZE 32
@@ -3165,118 +3208,114 @@
 /*
  * Read a private key.
  */
-int mbedtls_ecp_read_key( mbedtls_ecp_group_id grp_id, mbedtls_ecp_keypair *key,
-                          const unsigned char *buf, size_t buflen )
+int mbedtls_ecp_read_key(mbedtls_ecp_group_id grp_id, mbedtls_ecp_keypair *key,
+                         const unsigned char *buf, size_t buflen)
 {
     int ret = 0;
 
-    if( ( ret = mbedtls_ecp_group_load( &key->grp, grp_id ) ) != 0 )
-        return( ret );
+    if ((ret = mbedtls_ecp_group_load(&key->grp, grp_id)) != 0) {
+        return ret;
+    }
 
     ret = MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE;
 
 #if defined(MBEDTLS_ECP_MONTGOMERY_ENABLED)
-    if( mbedtls_ecp_get_type( &key->grp ) == MBEDTLS_ECP_TYPE_MONTGOMERY )
-    {
+    if (mbedtls_ecp_get_type(&key->grp) == MBEDTLS_ECP_TYPE_MONTGOMERY) {
         /*
          * Mask the key as mandated by RFC7748 for Curve25519 and Curve448.
          */
-        if( grp_id == MBEDTLS_ECP_DP_CURVE25519 )
-        {
-            if( buflen != ECP_CURVE25519_KEY_SIZE )
-                return( MBEDTLS_ERR_ECP_INVALID_KEY );
+        if (grp_id == MBEDTLS_ECP_DP_CURVE25519) {
+            if (buflen != ECP_CURVE25519_KEY_SIZE) {
+                return MBEDTLS_ERR_ECP_INVALID_KEY;
+            }
 
-            MBEDTLS_MPI_CHK( mbedtls_mpi_read_binary_le( &key->d, buf, buflen ) );
+            MBEDTLS_MPI_CHK(mbedtls_mpi_read_binary_le(&key->d, buf, buflen));
 
             /* Set the three least significant bits to 0 */
-            MBEDTLS_MPI_CHK( mbedtls_mpi_set_bit( &key->d, 0, 0 ) );
-            MBEDTLS_MPI_CHK( mbedtls_mpi_set_bit( &key->d, 1, 0 ) );
-            MBEDTLS_MPI_CHK( mbedtls_mpi_set_bit( &key->d, 2, 0 ) );
+            MBEDTLS_MPI_CHK(mbedtls_mpi_set_bit(&key->d, 0, 0));
+            MBEDTLS_MPI_CHK(mbedtls_mpi_set_bit(&key->d, 1, 0));
+            MBEDTLS_MPI_CHK(mbedtls_mpi_set_bit(&key->d, 2, 0));
 
             /* Set the most significant bit to 0 */
             MBEDTLS_MPI_CHK(
-                    mbedtls_mpi_set_bit( &key->d,
-                                         ECP_CURVE25519_KEY_SIZE * 8 - 1, 0 )
-                    );
+                mbedtls_mpi_set_bit(&key->d,
+                                    ECP_CURVE25519_KEY_SIZE * 8 - 1, 0)
+                );
 
             /* Set the second most significant bit to 1 */
             MBEDTLS_MPI_CHK(
-                    mbedtls_mpi_set_bit( &key->d,
-                                         ECP_CURVE25519_KEY_SIZE * 8 - 2, 1 )
-                    );
-        }
-        else if( grp_id == MBEDTLS_ECP_DP_CURVE448 )
-        {
-            if( buflen != ECP_CURVE448_KEY_SIZE )
-                return( MBEDTLS_ERR_ECP_INVALID_KEY );
+                mbedtls_mpi_set_bit(&key->d,
+                                    ECP_CURVE25519_KEY_SIZE * 8 - 2, 1)
+                );
+        } else if (grp_id == MBEDTLS_ECP_DP_CURVE448) {
+            if (buflen != ECP_CURVE448_KEY_SIZE) {
+                return MBEDTLS_ERR_ECP_INVALID_KEY;
+            }
 
-            MBEDTLS_MPI_CHK( mbedtls_mpi_read_binary_le( &key->d, buf, buflen ) );
+            MBEDTLS_MPI_CHK(mbedtls_mpi_read_binary_le(&key->d, buf, buflen));
 
             /* Set the two least significant bits to 0 */
-            MBEDTLS_MPI_CHK( mbedtls_mpi_set_bit( &key->d, 0, 0 ) );
-            MBEDTLS_MPI_CHK( mbedtls_mpi_set_bit( &key->d, 1, 0 ) );
+            MBEDTLS_MPI_CHK(mbedtls_mpi_set_bit(&key->d, 0, 0));
+            MBEDTLS_MPI_CHK(mbedtls_mpi_set_bit(&key->d, 1, 0));
 
             /* Set the most significant bit to 1 */
             MBEDTLS_MPI_CHK(
-                    mbedtls_mpi_set_bit( &key->d,
-                                         ECP_CURVE448_KEY_SIZE * 8 - 1, 1 )
-                    );
+                mbedtls_mpi_set_bit(&key->d,
+                                    ECP_CURVE448_KEY_SIZE * 8 - 1, 1)
+                );
         }
     }
 
 #endif
 #if defined(MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED)
-    if( mbedtls_ecp_get_type( &key->grp ) == MBEDTLS_ECP_TYPE_SHORT_WEIERSTRASS )
-    {
-        MBEDTLS_MPI_CHK( mbedtls_mpi_read_binary( &key->d, buf, buflen ) );
+    if (mbedtls_ecp_get_type(&key->grp) == MBEDTLS_ECP_TYPE_SHORT_WEIERSTRASS) {
+        MBEDTLS_MPI_CHK(mbedtls_mpi_read_binary(&key->d, buf, buflen));
 
-        MBEDTLS_MPI_CHK( mbedtls_ecp_check_privkey( &key->grp, &key->d ) );
+        MBEDTLS_MPI_CHK(mbedtls_ecp_check_privkey(&key->grp, &key->d));
     }
 
 #endif
 cleanup:
 
-    if( ret != 0 )
-        mbedtls_mpi_free( &key->d );
+    if (ret != 0) {
+        mbedtls_mpi_free(&key->d);
+    }
 
-    return( ret );
+    return ret;
 }
 
 /*
  * Write a private key.
  */
-int mbedtls_ecp_write_key( mbedtls_ecp_keypair *key,
-                           unsigned char *buf, size_t buflen )
+int mbedtls_ecp_write_key(mbedtls_ecp_keypair *key,
+                          unsigned char *buf, size_t buflen)
 {
     int ret = MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE;
 
 #if defined(MBEDTLS_ECP_MONTGOMERY_ENABLED)
-    if( mbedtls_ecp_get_type( &key->grp ) == MBEDTLS_ECP_TYPE_MONTGOMERY )
-    {
-        if( key->grp.id == MBEDTLS_ECP_DP_CURVE25519 )
-        {
-            if( buflen < ECP_CURVE25519_KEY_SIZE )
-                return( MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL );
+    if (mbedtls_ecp_get_type(&key->grp) == MBEDTLS_ECP_TYPE_MONTGOMERY) {
+        if (key->grp.id == MBEDTLS_ECP_DP_CURVE25519) {
+            if (buflen < ECP_CURVE25519_KEY_SIZE) {
+                return MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL;
+            }
 
+        } else if (key->grp.id == MBEDTLS_ECP_DP_CURVE448) {
+            if (buflen < ECP_CURVE448_KEY_SIZE) {
+                return MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL;
+            }
         }
-        else if( key->grp.id == MBEDTLS_ECP_DP_CURVE448 )
-        {
-            if( buflen < ECP_CURVE448_KEY_SIZE )
-                return( MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL );
-        }
-        MBEDTLS_MPI_CHK( mbedtls_mpi_write_binary_le( &key->d, buf, buflen ) );
+        MBEDTLS_MPI_CHK(mbedtls_mpi_write_binary_le(&key->d, buf, buflen));
     }
 #endif
 #if defined(MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED)
-    if( mbedtls_ecp_get_type( &key->grp ) == MBEDTLS_ECP_TYPE_SHORT_WEIERSTRASS )
-    {
-        MBEDTLS_MPI_CHK( mbedtls_mpi_write_binary( &key->d, buf, buflen ) );
+    if (mbedtls_ecp_get_type(&key->grp) == MBEDTLS_ECP_TYPE_SHORT_WEIERSTRASS) {
+        MBEDTLS_MPI_CHK(mbedtls_mpi_write_binary(&key->d, buf, buflen));
     }
 
 #endif
 cleanup:
 
-    return( ret );
+    return ret;
 }
 
 
@@ -3284,43 +3323,41 @@
  * Check a public-private key pair
  */
 int mbedtls_ecp_check_pub_priv(
-        const mbedtls_ecp_keypair *pub, const mbedtls_ecp_keypair *prv,
-        int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
+    const mbedtls_ecp_keypair *pub, const mbedtls_ecp_keypair *prv,
+    int (*f_rng)(void *, unsigned char *, size_t), void *p_rng)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     mbedtls_ecp_point Q;
     mbedtls_ecp_group grp;
-    if( pub->grp.id == MBEDTLS_ECP_DP_NONE ||
+    if (pub->grp.id == MBEDTLS_ECP_DP_NONE ||
         pub->grp.id != prv->grp.id ||
-        mbedtls_mpi_cmp_mpi( &pub->Q.X, &prv->Q.X ) ||
-        mbedtls_mpi_cmp_mpi( &pub->Q.Y, &prv->Q.Y ) ||
-        mbedtls_mpi_cmp_mpi( &pub->Q.Z, &prv->Q.Z ) )
-    {
-        return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
+        mbedtls_mpi_cmp_mpi(&pub->Q.X, &prv->Q.X) ||
+        mbedtls_mpi_cmp_mpi(&pub->Q.Y, &prv->Q.Y) ||
+        mbedtls_mpi_cmp_mpi(&pub->Q.Z, &prv->Q.Z)) {
+        return MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
     }
 
-    mbedtls_ecp_point_init( &Q );
-    mbedtls_ecp_group_init( &grp );
+    mbedtls_ecp_point_init(&Q);
+    mbedtls_ecp_group_init(&grp);
 
     /* mbedtls_ecp_mul() needs a non-const group... */
-    mbedtls_ecp_group_copy( &grp, &prv->grp );
+    mbedtls_ecp_group_copy(&grp, &prv->grp);
 
     /* Also checks d is valid */
-    MBEDTLS_MPI_CHK( mbedtls_ecp_mul( &grp, &Q, &prv->d, &prv->grp.G, f_rng, p_rng ) );
+    MBEDTLS_MPI_CHK(mbedtls_ecp_mul(&grp, &Q, &prv->d, &prv->grp.G, f_rng, p_rng));
 
-    if( mbedtls_mpi_cmp_mpi( &Q.X, &prv->Q.X ) ||
-        mbedtls_mpi_cmp_mpi( &Q.Y, &prv->Q.Y ) ||
-        mbedtls_mpi_cmp_mpi( &Q.Z, &prv->Q.Z ) )
-    {
+    if (mbedtls_mpi_cmp_mpi(&Q.X, &prv->Q.X) ||
+        mbedtls_mpi_cmp_mpi(&Q.Y, &prv->Q.Y) ||
+        mbedtls_mpi_cmp_mpi(&Q.Z, &prv->Q.Z)) {
         ret = MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
         goto cleanup;
     }
 
 cleanup:
-    mbedtls_ecp_point_free( &Q );
-    mbedtls_ecp_group_free( &grp );
+    mbedtls_ecp_point_free(&Q);
+    mbedtls_ecp_group_free(&grp);
 
-    return( ret );
+    return ret;
 }
 
 /*
@@ -3331,14 +3368,17 @@
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 
-    if( ( ret = mbedtls_ecp_group_copy( grp, &key->grp ) ) != 0 )
+    if ((ret = mbedtls_ecp_group_copy(grp, &key->grp)) != 0) {
         return ret;
+    }
 
-    if( ( ret = mbedtls_mpi_copy( d, &key->d ) ) != 0 )
+    if ((ret = mbedtls_mpi_copy(d, &key->d)) != 0) {
         return ret;
+    }
 
-    if( ( ret = mbedtls_ecp_copy( Q, &key->Q ) ) != 0 )
+    if ((ret = mbedtls_ecp_copy(Q, &key->Q)) != 0) {
         return ret;
+    }
 
     return 0;
 }
@@ -3352,44 +3392,42 @@
  * except we only use the low byte as the output. See
  * https://en.wikipedia.org/wiki/Linear_congruential_generator#Parameters_in_common_use
  */
-static int self_test_rng( void *ctx, unsigned char *out, size_t len )
+static int self_test_rng(void *ctx, unsigned char *out, size_t len)
 {
     static uint32_t state = 42;
 
     (void) ctx;
 
-    for( size_t i = 0; i < len; i++ )
-    {
+    for (size_t i = 0; i < len; i++) {
         state = state * 1664525u + 1013904223u;
         out[i] = (unsigned char) state;
     }
 
-    return( 0 );
+    return 0;
 }
 
 /* Adjust the exponent to be a valid private point for the specified curve.
  * This is sometimes necessary because we use a single set of exponents
  * for all curves but the validity of values depends on the curve. */
-static int self_test_adjust_exponent( const mbedtls_ecp_group *grp,
-                                      mbedtls_mpi *m )
+static int self_test_adjust_exponent(const mbedtls_ecp_group *grp,
+                                     mbedtls_mpi *m)
 {
     int ret = 0;
-    switch( grp->id )
-    {
-        /* If Curve25519 is available, then that's what we use for the
-         * Montgomery test, so we don't need the adjustment code. */
-#if ! defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED)
+    switch (grp->id) {
+    /* If Curve25519 is available, then that's what we use for the
+     * Montgomery test, so we don't need the adjustment code. */
+#if !defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED)
 #if defined(MBEDTLS_ECP_DP_CURVE448_ENABLED)
         case MBEDTLS_ECP_DP_CURVE448:
             /* Move highest bit from 254 to N-1. Setting bit N-1 is
              * necessary to enforce the highest-bit-set constraint. */
-            MBEDTLS_MPI_CHK( mbedtls_mpi_set_bit( m, 254, 0 ) );
-            MBEDTLS_MPI_CHK( mbedtls_mpi_set_bit( m, grp->nbits, 1 ) );
+            MBEDTLS_MPI_CHK(mbedtls_mpi_set_bit(m, 254, 0));
+            MBEDTLS_MPI_CHK(mbedtls_mpi_set_bit(m, grp->nbits, 1));
             /* Copy second-highest bit from 253 to N-2. This is not
              * necessary but improves the test variety a bit. */
             MBEDTLS_MPI_CHK(
-                mbedtls_mpi_set_bit( m, grp->nbits - 1,
-                                     mbedtls_mpi_get_bit( m, 253 ) ) );
+                mbedtls_mpi_set_bit(m, grp->nbits - 1,
+                                    mbedtls_mpi_get_bit(m, 253)));
             break;
 #endif
 #endif /* ! defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED) */
@@ -3400,18 +3438,18 @@
             goto cleanup;
     }
 cleanup:
-    return( ret );
+    return ret;
 }
 
 /* Calculate R = m.P for each m in exponents. Check that the number of
  * basic operations doesn't depend on the value of m. */
-static int self_test_point( int verbose,
-                            mbedtls_ecp_group *grp,
-                            mbedtls_ecp_point *R,
-                            mbedtls_mpi *m,
-                            const mbedtls_ecp_point *P,
-                            const char *const *exponents,
-                            size_t n_exponents )
+static int self_test_point(int verbose,
+                           mbedtls_ecp_group *grp,
+                           mbedtls_ecp_point *R,
+                           mbedtls_mpi *m,
+                           const mbedtls_ecp_point *P,
+                           const char *const *exponents,
+                           size_t n_exponents)
 {
     int ret = 0;
     size_t i = 0;
@@ -3420,12 +3458,11 @@
     dbl_count = 0;
     mul_count = 0;
 
-    MBEDTLS_MPI_CHK( mbedtls_mpi_read_string( m, 16, exponents[0] ) );
-    MBEDTLS_MPI_CHK( self_test_adjust_exponent( grp, m ) );
-    MBEDTLS_MPI_CHK( mbedtls_ecp_mul( grp, R, m, P, self_test_rng, NULL ) );
+    MBEDTLS_MPI_CHK(mbedtls_mpi_read_string(m, 16, exponents[0]));
+    MBEDTLS_MPI_CHK(self_test_adjust_exponent(grp, m));
+    MBEDTLS_MPI_CHK(mbedtls_ecp_mul(grp, R, m, P, self_test_rng, NULL));
 
-    for( i = 1; i < n_exponents; i++ )
-    {
+    for (i = 1; i < n_exponents; i++) {
         add_c_prev = add_count;
         dbl_c_prev = dbl_count;
         mul_c_prev = mul_count;
@@ -3433,34 +3470,33 @@
         dbl_count = 0;
         mul_count = 0;
 
-        MBEDTLS_MPI_CHK( mbedtls_mpi_read_string( m, 16, exponents[i] ) );
-        MBEDTLS_MPI_CHK( self_test_adjust_exponent( grp, m ) );
-        MBEDTLS_MPI_CHK( mbedtls_ecp_mul( grp, R, m, P, self_test_rng, NULL ) );
+        MBEDTLS_MPI_CHK(mbedtls_mpi_read_string(m, 16, exponents[i]));
+        MBEDTLS_MPI_CHK(self_test_adjust_exponent(grp, m));
+        MBEDTLS_MPI_CHK(mbedtls_ecp_mul(grp, R, m, P, self_test_rng, NULL));
 
-        if( add_count != add_c_prev ||
+        if (add_count != add_c_prev ||
             dbl_count != dbl_c_prev ||
-            mul_count != mul_c_prev )
-        {
+            mul_count != mul_c_prev) {
             ret = 1;
             break;
         }
     }
 
 cleanup:
-    if( verbose != 0 )
-    {
-        if( ret != 0 )
-            mbedtls_printf( "failed (%u)\n", (unsigned int) i );
-        else
-            mbedtls_printf( "passed\n" );
+    if (verbose != 0) {
+        if (ret != 0) {
+            mbedtls_printf("failed (%u)\n", (unsigned int) i);
+        } else {
+            mbedtls_printf("passed\n");
+        }
     }
-    return( ret );
+    return ret;
 }
 
 /*
  * Checkup routine
  */
-int mbedtls_ecp_self_test( int verbose )
+int mbedtls_ecp_self_test(int verbose)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     mbedtls_ecp_group grp;
@@ -3496,77 +3532,85 @@
     };
 #endif /* MBEDTLS_ECP_MONTGOMERY_ENABLED */
 
-    mbedtls_ecp_group_init( &grp );
-    mbedtls_ecp_point_init( &R );
-    mbedtls_ecp_point_init( &P );
-    mbedtls_mpi_init( &m );
+    mbedtls_ecp_group_init(&grp);
+    mbedtls_ecp_point_init(&R);
+    mbedtls_ecp_point_init(&P);
+    mbedtls_mpi_init(&m);
 
 #if defined(MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED)
     /* Use secp192r1 if available, or any available curve */
 #if defined(MBEDTLS_ECP_DP_SECP192R1_ENABLED)
-    MBEDTLS_MPI_CHK( mbedtls_ecp_group_load( &grp, MBEDTLS_ECP_DP_SECP192R1 ) );
+    MBEDTLS_MPI_CHK(mbedtls_ecp_group_load(&grp, MBEDTLS_ECP_DP_SECP192R1));
 #else
-    MBEDTLS_MPI_CHK( mbedtls_ecp_group_load( &grp, mbedtls_ecp_curve_list()->grp_id ) );
+    MBEDTLS_MPI_CHK(mbedtls_ecp_group_load(&grp, mbedtls_ecp_curve_list()->grp_id));
 #endif
 
-    if( verbose != 0 )
-        mbedtls_printf( "  ECP SW test #1 (constant op_count, base point G): " );
+    if (verbose != 0) {
+        mbedtls_printf("  ECP SW test #1 (constant op_count, base point G): ");
+    }
     /* Do a dummy multiplication first to trigger precomputation */
-    MBEDTLS_MPI_CHK( mbedtls_mpi_lset( &m, 2 ) );
-    MBEDTLS_MPI_CHK( mbedtls_ecp_mul( &grp, &P, &m, &grp.G, self_test_rng, NULL ) );
-    ret = self_test_point( verbose,
-                           &grp, &R, &m, &grp.G,
-                           sw_exponents,
-                           sizeof( sw_exponents ) / sizeof( sw_exponents[0] ));
-    if( ret != 0 )
+    MBEDTLS_MPI_CHK(mbedtls_mpi_lset(&m, 2));
+    MBEDTLS_MPI_CHK(mbedtls_ecp_mul(&grp, &P, &m, &grp.G, self_test_rng, NULL));
+    ret = self_test_point(verbose,
+                          &grp, &R, &m, &grp.G,
+                          sw_exponents,
+                          sizeof(sw_exponents) / sizeof(sw_exponents[0]));
+    if (ret != 0) {
         goto cleanup;
+    }
 
-    if( verbose != 0 )
-        mbedtls_printf( "  ECP SW test #2 (constant op_count, other point): " );
+    if (verbose != 0) {
+        mbedtls_printf("  ECP SW test #2 (constant op_count, other point): ");
+    }
     /* We computed P = 2G last time, use it */
-    ret = self_test_point( verbose,
-                           &grp, &R, &m, &P,
-                           sw_exponents,
-                           sizeof( sw_exponents ) / sizeof( sw_exponents[0] ));
-    if( ret != 0 )
+    ret = self_test_point(verbose,
+                          &grp, &R, &m, &P,
+                          sw_exponents,
+                          sizeof(sw_exponents) / sizeof(sw_exponents[0]));
+    if (ret != 0) {
         goto cleanup;
+    }
 
-    mbedtls_ecp_group_free( &grp );
-    mbedtls_ecp_point_free( &R );
+    mbedtls_ecp_group_free(&grp);
+    mbedtls_ecp_point_free(&R);
 #endif /* MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED */
 
 #if defined(MBEDTLS_ECP_MONTGOMERY_ENABLED)
-    if( verbose != 0 )
-        mbedtls_printf( "  ECP Montgomery test (constant op_count): " );
+    if (verbose != 0) {
+        mbedtls_printf("  ECP Montgomery test (constant op_count): ");
+    }
 #if defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED)
-    MBEDTLS_MPI_CHK( mbedtls_ecp_group_load( &grp, MBEDTLS_ECP_DP_CURVE25519 ) );
+    MBEDTLS_MPI_CHK(mbedtls_ecp_group_load(&grp, MBEDTLS_ECP_DP_CURVE25519));
 #elif defined(MBEDTLS_ECP_DP_CURVE448_ENABLED)
-    MBEDTLS_MPI_CHK( mbedtls_ecp_group_load( &grp, MBEDTLS_ECP_DP_CURVE448 ) );
+    MBEDTLS_MPI_CHK(mbedtls_ecp_group_load(&grp, MBEDTLS_ECP_DP_CURVE448));
 #else
 #error "MBEDTLS_ECP_MONTGOMERY_ENABLED is defined, but no curve is supported for self-test"
 #endif
-    ret = self_test_point( verbose,
-                           &grp, &R, &m, &grp.G,
-                           m_exponents,
-                           sizeof( m_exponents ) / sizeof( m_exponents[0] ));
-    if( ret != 0 )
+    ret = self_test_point(verbose,
+                          &grp, &R, &m, &grp.G,
+                          m_exponents,
+                          sizeof(m_exponents) / sizeof(m_exponents[0]));
+    if (ret != 0) {
         goto cleanup;
+    }
 #endif /* MBEDTLS_ECP_MONTGOMERY_ENABLED */
 
 cleanup:
 
-    if( ret < 0 && verbose != 0 )
-        mbedtls_printf( "Unexpected error, return code = %08X\n", (unsigned int) ret );
+    if (ret < 0 && verbose != 0) {
+        mbedtls_printf("Unexpected error, return code = %08X\n", (unsigned int) ret);
+    }
 
-    mbedtls_ecp_group_free( &grp );
-    mbedtls_ecp_point_free( &R );
-    mbedtls_ecp_point_free( &P );
-    mbedtls_mpi_free( &m );
+    mbedtls_ecp_group_free(&grp);
+    mbedtls_ecp_point_free(&R);
+    mbedtls_ecp_point_free(&P);
+    mbedtls_mpi_free(&m);
 
-    if( verbose != 0 )
-        mbedtls_printf( "\n" );
+    if (verbose != 0) {
+        mbedtls_printf("\n");
+    }
 
-    return( ret );
+    return ret;
 }
 
 #endif /* MBEDTLS_SELF_TEST */