diff --git a/library/poly1305.c b/library/poly1305.c
index 4d0cdee..f4e1d3f 100644
--- a/library/poly1305.c
+++ b/library/poly1305.c
@@ -32,14 +32,14 @@
 
 #if !defined(MBEDTLS_POLY1305_ALT)
 
-#define POLY1305_BLOCK_SIZE_BYTES ( 16U )
+#define POLY1305_BLOCK_SIZE_BYTES (16U)
 
 /*
  * Our implementation is tuned for 32-bit platforms with a 64-bit multiplier.
  * However we provided an alternative for platforms without such a multiplier.
  */
 #if defined(MBEDTLS_NO_64BIT_MULTIPLICATION)
-static uint64_t mul64( uint32_t a, uint32_t b )
+static uint64_t mul64(uint32_t a, uint32_t b)
 {
     /* a = al + 2**16 ah, b = bl + 2**16 bh */
     const uint16_t al = (uint16_t) a;
@@ -49,15 +49,15 @@
 
     /* ab = al*bl + 2**16 (ah*bl + bl*bh) + 2**32 ah*bh */
     const uint32_t lo = (uint32_t) al * bl;
-    const uint64_t me = (uint64_t)( (uint32_t) ah * bl ) + (uint32_t) al * bh;
+    const uint64_t me = (uint64_t) ((uint32_t) ah * bl) + (uint32_t) al * bh;
     const uint32_t hi = (uint32_t) ah * bh;
 
-    return( lo + ( me << 16 ) + ( (uint64_t) hi << 32 ) );
+    return lo + (me << 16) + ((uint64_t) hi << 32);
 }
 #else
-static inline uint64_t mul64( uint32_t a, uint32_t b )
+static inline uint64_t mul64(uint32_t a, uint32_t b)
 {
-    return( (uint64_t) a * b );
+    return (uint64_t) a * b;
 }
 #endif
 
@@ -73,10 +73,10 @@
  *                          applied to the input data before calling this
  *                          function.  Otherwise, set this parameter to 1.
  */
-static void poly1305_process( mbedtls_poly1305_context *ctx,
-                              size_t nblocks,
-                              const unsigned char *input,
-                              uint32_t needs_padding )
+static void poly1305_process(mbedtls_poly1305_context *ctx,
+                             size_t nblocks,
+                             const unsigned char *input,
+                             uint32_t needs_padding)
 {
     uint64_t d0, d1, d2, d3;
     uint32_t acc0, acc1, acc2, acc3, acc4;
@@ -90,9 +90,9 @@
     r2 = ctx->r[2];
     r3 = ctx->r[3];
 
-    rs1 = r1 + ( r1 >> 2U );
-    rs2 = r2 + ( r2 >> 2U );
-    rs3 = r3 + ( r3 >> 2U );
+    rs1 = r1 + (r1 >> 2U);
+    rs2 = r2 + (r2 >> 2U);
+    rs3 = r3 + (r3 >> 2U);
 
     acc0 = ctx->acc[0];
     acc1 = ctx->acc[1];
@@ -101,67 +101,66 @@
     acc4 = ctx->acc[4];
 
     /* Process full blocks */
-    for( i = 0U; i < nblocks; i++ )
-    {
+    for (i = 0U; i < nblocks; i++) {
         /* The input block is treated as a 128-bit little-endian integer */
-        d0   = MBEDTLS_GET_UINT32_LE( input, offset + 0  );
-        d1   = MBEDTLS_GET_UINT32_LE( input, offset + 4  );
-        d2   = MBEDTLS_GET_UINT32_LE( input, offset + 8  );
-        d3   = MBEDTLS_GET_UINT32_LE( input, offset + 12 );
+        d0   = MBEDTLS_GET_UINT32_LE(input, offset + 0);
+        d1   = MBEDTLS_GET_UINT32_LE(input, offset + 4);
+        d2   = MBEDTLS_GET_UINT32_LE(input, offset + 8);
+        d3   = MBEDTLS_GET_UINT32_LE(input, offset + 12);
 
         /* Compute: acc += (padded) block as a 130-bit integer */
         d0  += (uint64_t) acc0;
-        d1  += (uint64_t) acc1 + ( d0 >> 32U );
-        d2  += (uint64_t) acc2 + ( d1 >> 32U );
-        d3  += (uint64_t) acc3 + ( d2 >> 32U );
+        d1  += (uint64_t) acc1 + (d0 >> 32U);
+        d2  += (uint64_t) acc2 + (d1 >> 32U);
+        d3  += (uint64_t) acc3 + (d2 >> 32U);
         acc0 = (uint32_t) d0;
         acc1 = (uint32_t) d1;
         acc2 = (uint32_t) d2;
         acc3 = (uint32_t) d3;
-        acc4 += (uint32_t) ( d3 >> 32U ) + needs_padding;
+        acc4 += (uint32_t) (d3 >> 32U) + needs_padding;
 
         /* Compute: acc *= r */
-        d0 = mul64( acc0, r0  ) +
-             mul64( acc1, rs3 ) +
-             mul64( acc2, rs2 ) +
-             mul64( acc3, rs1 );
-        d1 = mul64( acc0, r1  ) +
-             mul64( acc1, r0  ) +
-             mul64( acc2, rs3 ) +
-             mul64( acc3, rs2 ) +
-             mul64( acc4, rs1 );
-        d2 = mul64( acc0, r2  ) +
-             mul64( acc1, r1  ) +
-             mul64( acc2, r0  ) +
-             mul64( acc3, rs3 ) +
-             mul64( acc4, rs2 );
-        d3 = mul64( acc0, r3  ) +
-             mul64( acc1, r2  ) +
-             mul64( acc2, r1  ) +
-             mul64( acc3, r0  ) +
-             mul64( acc4, rs3 );
+        d0 = mul64(acc0, r0) +
+             mul64(acc1, rs3) +
+             mul64(acc2, rs2) +
+             mul64(acc3, rs1);
+        d1 = mul64(acc0, r1) +
+             mul64(acc1, r0) +
+             mul64(acc2, rs3) +
+             mul64(acc3, rs2) +
+             mul64(acc4, rs1);
+        d2 = mul64(acc0, r2) +
+             mul64(acc1, r1) +
+             mul64(acc2, r0) +
+             mul64(acc3, rs3) +
+             mul64(acc4, rs2);
+        d3 = mul64(acc0, r3) +
+             mul64(acc1, r2) +
+             mul64(acc2, r1) +
+             mul64(acc3, r0) +
+             mul64(acc4, rs3);
         acc4 *= r0;
 
         /* Compute: acc %= (2^130 - 5) (partial remainder) */
-        d1 += ( d0 >> 32 );
-        d2 += ( d1 >> 32 );
-        d3 += ( d2 >> 32 );
+        d1 += (d0 >> 32);
+        d2 += (d1 >> 32);
+        d3 += (d2 >> 32);
         acc0 = (uint32_t) d0;
         acc1 = (uint32_t) d1;
         acc2 = (uint32_t) d2;
         acc3 = (uint32_t) d3;
-        acc4 = (uint32_t) ( d3 >> 32 ) + acc4;
+        acc4 = (uint32_t) (d3 >> 32) + acc4;
 
-        d0 = (uint64_t) acc0 + ( acc4 >> 2 ) + ( acc4 & 0xFFFFFFFCU );
+        d0 = (uint64_t) acc0 + (acc4 >> 2) + (acc4 & 0xFFFFFFFCU);
         acc4 &= 3U;
         acc0 = (uint32_t) d0;
-        d0 = (uint64_t) acc1 + ( d0 >> 32U );
+        d0 = (uint64_t) acc1 + (d0 >> 32U);
         acc1 = (uint32_t) d0;
-        d0 = (uint64_t) acc2 + ( d0 >> 32U );
+        d0 = (uint64_t) acc2 + (d0 >> 32U);
         acc2 = (uint32_t) d0;
-        d0 = (uint64_t) acc3 + ( d0 >> 32U );
+        d0 = (uint64_t) acc3 + (d0 >> 32U);
         acc3 = (uint32_t) d0;
-        d0 = (uint64_t) acc4 + ( d0 >> 32U );
+        d0 = (uint64_t) acc4 + (d0 >> 32U);
         acc4 = (uint32_t) d0;
 
         offset    += POLY1305_BLOCK_SIZE_BYTES;
@@ -181,8 +180,8 @@
  * \param mac               The buffer to where the MAC is written. Must be
  *                          big enough to contain the 16-byte MAC.
  */
-static void poly1305_compute_mac( const mbedtls_poly1305_context *ctx,
-                                  unsigned char mac[16] )
+static void poly1305_compute_mac(const mbedtls_poly1305_context *ctx,
+                                 unsigned char mac[16])
 {
     uint64_t d;
     uint32_t g0, g1, g2, g3, g4;
@@ -202,68 +201,69 @@
      */
 
     /* Calculate acc + -(2^130 - 5) */
-    d  = ( (uint64_t) acc0 + 5U );
+    d  = ((uint64_t) acc0 + 5U);
     g0 = (uint32_t) d;
-    d  = ( (uint64_t) acc1 + ( d >> 32 ) );
+    d  = ((uint64_t) acc1 + (d >> 32));
     g1 = (uint32_t) d;
-    d  = ( (uint64_t) acc2 + ( d >> 32 ) );
+    d  = ((uint64_t) acc2 + (d >> 32));
     g2 = (uint32_t) d;
-    d  = ( (uint64_t) acc3 + ( d >> 32 ) );
+    d  = ((uint64_t) acc3 + (d >> 32));
     g3 = (uint32_t) d;
-    g4 = acc4 + (uint32_t) ( d >> 32U );
+    g4 = acc4 + (uint32_t) (d >> 32U);
 
     /* mask == 0xFFFFFFFF if 131st bit is set, otherwise mask == 0 */
-    mask = (uint32_t) 0U - ( g4 >> 2U );
+    mask = (uint32_t) 0U - (g4 >> 2U);
     mask_inv = ~mask;
 
     /* If 131st bit is set then acc=g, otherwise, acc is unmodified */
-    acc0 = ( acc0 & mask_inv ) | ( g0 & mask );
-    acc1 = ( acc1 & mask_inv ) | ( g1 & mask );
-    acc2 = ( acc2 & mask_inv ) | ( g2 & mask );
-    acc3 = ( acc3 & mask_inv ) | ( g3 & mask );
+    acc0 = (acc0 & mask_inv) | (g0 & mask);
+    acc1 = (acc1 & mask_inv) | (g1 & mask);
+    acc2 = (acc2 & mask_inv) | (g2 & mask);
+    acc3 = (acc3 & mask_inv) | (g3 & mask);
 
     /* Add 's' */
     d = (uint64_t) acc0 + ctx->s[0];
     acc0 = (uint32_t) d;
-    d = (uint64_t) acc1 + ctx->s[1] + ( d >> 32U );
+    d = (uint64_t) acc1 + ctx->s[1] + (d >> 32U);
     acc1 = (uint32_t) d;
-    d = (uint64_t) acc2 + ctx->s[2] + ( d >> 32U );
+    d = (uint64_t) acc2 + ctx->s[2] + (d >> 32U);
     acc2 = (uint32_t) d;
-    acc3 += ctx->s[3] + (uint32_t) ( d >> 32U );
+    acc3 += ctx->s[3] + (uint32_t) (d >> 32U);
 
     /* Compute MAC (128 least significant bits of the accumulator) */
-    MBEDTLS_PUT_UINT32_LE( acc0, mac,  0 );
-    MBEDTLS_PUT_UINT32_LE( acc1, mac,  4 );
-    MBEDTLS_PUT_UINT32_LE( acc2, mac,  8 );
-    MBEDTLS_PUT_UINT32_LE( acc3, mac, 12 );
+    MBEDTLS_PUT_UINT32_LE(acc0, mac,  0);
+    MBEDTLS_PUT_UINT32_LE(acc1, mac,  4);
+    MBEDTLS_PUT_UINT32_LE(acc2, mac,  8);
+    MBEDTLS_PUT_UINT32_LE(acc3, mac, 12);
 }
 
-void mbedtls_poly1305_init( mbedtls_poly1305_context *ctx )
+void mbedtls_poly1305_init(mbedtls_poly1305_context *ctx)
 {
-    mbedtls_platform_zeroize( ctx, sizeof( mbedtls_poly1305_context ) );
+    mbedtls_platform_zeroize(ctx, sizeof(mbedtls_poly1305_context));
 }
 
-void mbedtls_poly1305_free( mbedtls_poly1305_context *ctx )
+void mbedtls_poly1305_free(mbedtls_poly1305_context *ctx)
 {
-    if( ctx == NULL )
+    if (ctx == NULL) {
         return;
+    }
 
-    mbedtls_platform_zeroize( ctx, sizeof( mbedtls_poly1305_context ) );
+    mbedtls_platform_zeroize(ctx, sizeof(mbedtls_poly1305_context));
 }
 
-int mbedtls_poly1305_starts( mbedtls_poly1305_context *ctx,
-                             const unsigned char key[32] )
+int mbedtls_poly1305_starts(mbedtls_poly1305_context *ctx,
+                            const unsigned char key[32])
 {
     /* r &= 0x0ffffffc0ffffffc0ffffffc0fffffff */
-    ctx->r[0] = MBEDTLS_GET_UINT32_LE( key, 0 )  & 0x0FFFFFFFU;
-    ctx->r[1] = MBEDTLS_GET_UINT32_LE( key, 4 )  & 0x0FFFFFFCU;
-    ctx->r[2] = MBEDTLS_GET_UINT32_LE( key, 8 )  & 0x0FFFFFFCU;
-    ctx->r[3] = MBEDTLS_GET_UINT32_LE( key, 12 ) & 0x0FFFFFFCU;
+    ctx->r[0] = MBEDTLS_GET_UINT32_LE(key, 0)  & 0x0FFFFFFFU;
+    ctx->r[1] = MBEDTLS_GET_UINT32_LE(key, 4)  & 0x0FFFFFFCU;
+    ctx->r[2] = MBEDTLS_GET_UINT32_LE(key, 8)  & 0x0FFFFFFCU;
+    ctx->r[3] = MBEDTLS_GET_UINT32_LE(key, 12) & 0x0FFFFFFCU;
 
-    ctx->s[0] = MBEDTLS_GET_UINT32_LE( key, 16 );
-    ctx->s[1] = MBEDTLS_GET_UINT32_LE( key, 20 );
-    ctx->s[2] = MBEDTLS_GET_UINT32_LE( key, 24 );
-    ctx->s[3] = MBEDTLS_GET_UINT32_LE( key, 28 );
+    ctx->s[0] = MBEDTLS_GET_UINT32_LE(key, 16);
+    ctx->s[1] = MBEDTLS_GET_UINT32_LE(key, 20);
+    ctx->s[2] = MBEDTLS_GET_UINT32_LE(key, 24);
+    ctx->s[3] = MBEDTLS_GET_UINT32_LE(key, 28);
 
     /* Initial accumulator state */
     ctx->acc[0] = 0U;
@@ -273,121 +273,116 @@
     ctx->acc[4] = 0U;
 
     /* Queue initially empty */
-    mbedtls_platform_zeroize( ctx->queue, sizeof( ctx->queue ) );
+    mbedtls_platform_zeroize(ctx->queue, sizeof(ctx->queue));
     ctx->queue_len = 0U;
 
-    return( 0 );
+    return 0;
 }
 
-int mbedtls_poly1305_update( mbedtls_poly1305_context *ctx,
-                             const unsigned char *input,
-                             size_t ilen )
+int mbedtls_poly1305_update(mbedtls_poly1305_context *ctx,
+                            const unsigned char *input,
+                            size_t ilen)
 {
     size_t offset    = 0U;
     size_t remaining = ilen;
     size_t queue_free_len;
     size_t nblocks;
 
-    if( ( remaining > 0U ) && ( ctx->queue_len > 0U ) )
-    {
-        queue_free_len = ( POLY1305_BLOCK_SIZE_BYTES - ctx->queue_len );
+    if ((remaining > 0U) && (ctx->queue_len > 0U)) {
+        queue_free_len = (POLY1305_BLOCK_SIZE_BYTES - ctx->queue_len);
 
-        if( ilen < queue_free_len )
-        {
+        if (ilen < queue_free_len) {
             /* Not enough data to complete the block.
              * Store this data with the other leftovers.
              */
-            memcpy( &ctx->queue[ctx->queue_len],
-                    input,
-                    ilen );
+            memcpy(&ctx->queue[ctx->queue_len],
+                   input,
+                   ilen);
 
             ctx->queue_len += ilen;
 
             remaining = 0U;
-        }
-        else
-        {
+        } else {
             /* Enough data to produce a complete block */
-            memcpy( &ctx->queue[ctx->queue_len],
-                    input,
-                    queue_free_len );
+            memcpy(&ctx->queue[ctx->queue_len],
+                   input,
+                   queue_free_len);
 
             ctx->queue_len = 0U;
 
-            poly1305_process( ctx, 1U, ctx->queue, 1U ); /* add padding bit */
+            poly1305_process(ctx, 1U, ctx->queue, 1U);   /* add padding bit */
 
             offset    += queue_free_len;
             remaining -= queue_free_len;
         }
     }
 
-    if( remaining >= POLY1305_BLOCK_SIZE_BYTES )
-    {
+    if (remaining >= POLY1305_BLOCK_SIZE_BYTES) {
         nblocks = remaining / POLY1305_BLOCK_SIZE_BYTES;
 
-        poly1305_process( ctx, nblocks, &input[offset], 1U );
+        poly1305_process(ctx, nblocks, &input[offset], 1U);
 
         offset += nblocks * POLY1305_BLOCK_SIZE_BYTES;
         remaining %= POLY1305_BLOCK_SIZE_BYTES;
     }
 
-    if( remaining > 0U )
-    {
+    if (remaining > 0U) {
         /* Store partial block */
         ctx->queue_len = remaining;
-        memcpy( ctx->queue, &input[offset], remaining );
+        memcpy(ctx->queue, &input[offset], remaining);
     }
 
-    return( 0 );
+    return 0;
 }
 
-int mbedtls_poly1305_finish( mbedtls_poly1305_context *ctx,
-                             unsigned char mac[16] )
+int mbedtls_poly1305_finish(mbedtls_poly1305_context *ctx,
+                            unsigned char mac[16])
 {
     /* Process any leftover data */
-    if( ctx->queue_len > 0U )
-    {
+    if (ctx->queue_len > 0U) {
         /* Add padding bit */
         ctx->queue[ctx->queue_len] = 1U;
         ctx->queue_len++;
 
         /* Pad with zeroes */
-        memset( &ctx->queue[ctx->queue_len],
-                0,
-                POLY1305_BLOCK_SIZE_BYTES - ctx->queue_len );
+        memset(&ctx->queue[ctx->queue_len],
+               0,
+               POLY1305_BLOCK_SIZE_BYTES - ctx->queue_len);
 
-        poly1305_process( ctx, 1U,          /* Process 1 block */
-                          ctx->queue, 0U ); /* Already padded above */
+        poly1305_process(ctx, 1U,           /* Process 1 block */
+                         ctx->queue, 0U);   /* Already padded above */
     }
 
-    poly1305_compute_mac( ctx, mac );
+    poly1305_compute_mac(ctx, mac);
 
-    return( 0 );
+    return 0;
 }
 
-int mbedtls_poly1305_mac( const unsigned char key[32],
-                          const unsigned char *input,
-                          size_t ilen,
-                          unsigned char mac[16] )
+int mbedtls_poly1305_mac(const unsigned char key[32],
+                         const unsigned char *input,
+                         size_t ilen,
+                         unsigned char mac[16])
 {
     mbedtls_poly1305_context ctx;
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 
-    mbedtls_poly1305_init( &ctx );
+    mbedtls_poly1305_init(&ctx);
 
-    ret = mbedtls_poly1305_starts( &ctx, key );
-    if( ret != 0 )
+    ret = mbedtls_poly1305_starts(&ctx, key);
+    if (ret != 0) {
         goto cleanup;
+    }
 
-    ret = mbedtls_poly1305_update( &ctx, input, ilen );
-    if( ret != 0 )
+    ret = mbedtls_poly1305_update(&ctx, input, ilen);
+    if (ret != 0) {
         goto cleanup;
+    }
 
-    ret = mbedtls_poly1305_finish( &ctx, mac );
+    ret = mbedtls_poly1305_finish(&ctx, mac);
 
 cleanup:
-    mbedtls_poly1305_free( &ctx );
-    return( ret );
+    mbedtls_poly1305_free(&ctx);
+    return ret;
 }
 
 #endif /* MBEDTLS_POLY1305_ALT */
@@ -460,46 +455,48 @@
 /* Make sure no other definition is already present. */
 #undef ASSERT
 
-#define ASSERT( cond, args )            \
+#define ASSERT(cond, args)            \
     do                                  \
     {                                   \
-        if( ! ( cond ) )                \
+        if (!(cond))                \
         {                               \
-            if( verbose != 0 )          \
-                mbedtls_printf args;    \
+            if (verbose != 0)          \
+            mbedtls_printf args;    \
                                         \
-            return( -1 );               \
+            return -1;               \
         }                               \
     }                                   \
-    while( 0 )
+    while (0)
 
-int mbedtls_poly1305_self_test( int verbose )
+int mbedtls_poly1305_self_test(int verbose)
 {
     unsigned char mac[16];
     unsigned i;
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 
-    for( i = 0U; i < 2U; i++ )
-    {
-        if( verbose != 0 )
-            mbedtls_printf( "  Poly1305 test %u ", i );
+    for (i = 0U; i < 2U; i++) {
+        if (verbose != 0) {
+            mbedtls_printf("  Poly1305 test %u ", i);
+        }
 
-        ret = mbedtls_poly1305_mac( test_keys[i],
-                                    test_data[i],
-                                    test_data_len[i],
-                                    mac );
-        ASSERT( 0 == ret, ( "error code: %i\n", ret ) );
+        ret = mbedtls_poly1305_mac(test_keys[i],
+                                   test_data[i],
+                                   test_data_len[i],
+                                   mac);
+        ASSERT(0 == ret, ("error code: %i\n", ret));
 
-        ASSERT( 0 == memcmp( mac, test_mac[i], 16U ), ( "failed (mac)\n" ) );
+        ASSERT(0 == memcmp(mac, test_mac[i], 16U), ("failed (mac)\n"));
 
-        if( verbose != 0 )
-            mbedtls_printf( "passed\n" );
+        if (verbose != 0) {
+            mbedtls_printf("passed\n");
+        }
     }
 
-    if( verbose != 0 )
-        mbedtls_printf( "\n" );
+    if (verbose != 0) {
+        mbedtls_printf("\n");
+    }
 
-    return( 0 );
+    return 0;
 }
 
 #endif /* MBEDTLS_SELF_TEST */