diff --git a/library/md2.c b/library/md2.c
index f8293a1..f009498 100644
--- a/library/md2.c
+++ b/library/md2.c
@@ -67,21 +67,22 @@
     0x8D, 0x33, 0x9F, 0x11, 0x83, 0x14
 };
 
-void mbedtls_md2_init( mbedtls_md2_context *ctx )
+void mbedtls_md2_init(mbedtls_md2_context *ctx)
 {
-    memset( ctx, 0, sizeof( mbedtls_md2_context ) );
+    memset(ctx, 0, sizeof(mbedtls_md2_context));
 }
 
-void mbedtls_md2_free( mbedtls_md2_context *ctx )
+void mbedtls_md2_free(mbedtls_md2_context *ctx)
 {
-    if( ctx == NULL )
+    if (ctx == NULL) {
         return;
+    }
 
-    mbedtls_platform_zeroize( ctx, sizeof( mbedtls_md2_context ) );
+    mbedtls_platform_zeroize(ctx, sizeof(mbedtls_md2_context));
 }
 
-void mbedtls_md2_clone( mbedtls_md2_context *dst,
-                        const mbedtls_md2_context *src )
+void mbedtls_md2_clone(mbedtls_md2_context *dst,
+                       const mbedtls_md2_context *src)
 {
     *dst = *src;
 }
@@ -89,67 +90,63 @@
 /*
  * MD2 context setup
  */
-int mbedtls_md2_starts_ret( mbedtls_md2_context *ctx )
+int mbedtls_md2_starts_ret(mbedtls_md2_context *ctx)
 {
-    memset( ctx->cksum, 0, 16 );
-    memset( ctx->state, 0, 46 );
-    memset( ctx->buffer, 0, 16 );
+    memset(ctx->cksum, 0, 16);
+    memset(ctx->state, 0, 46);
+    memset(ctx->buffer, 0, 16);
     ctx->left = 0;
 
-    return( 0 );
+    return 0;
 }
 
 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
-void mbedtls_md2_starts( mbedtls_md2_context *ctx )
+void mbedtls_md2_starts(mbedtls_md2_context *ctx)
 {
-    mbedtls_md2_starts_ret( ctx );
+    mbedtls_md2_starts_ret(ctx);
 }
 #endif
 
 #if !defined(MBEDTLS_MD2_PROCESS_ALT)
-int mbedtls_internal_md2_process( mbedtls_md2_context *ctx )
+int mbedtls_internal_md2_process(mbedtls_md2_context *ctx)
 {
     int i, j;
     unsigned char t = 0;
 
-    for( i = 0; i < 16; i++ )
-    {
+    for (i = 0; i < 16; i++) {
         ctx->state[i + 16] = ctx->buffer[i];
         ctx->state[i + 32] =
-            (unsigned char)( ctx->buffer[i] ^ ctx->state[i]);
+            (unsigned char) (ctx->buffer[i] ^ ctx->state[i]);
     }
 
-    for( i = 0; i < 18; i++ )
-    {
-        for( j = 0; j < 48; j++ )
-        {
+    for (i = 0; i < 18; i++) {
+        for (j = 0; j < 48; j++) {
             ctx->state[j] = (unsigned char)
-               ( ctx->state[j] ^ PI_SUBST[t] );
+                            (ctx->state[j] ^ PI_SUBST[t]);
             t  = ctx->state[j];
         }
 
-        t = (unsigned char)( t + i );
+        t = (unsigned char) (t + i);
     }
 
     t = ctx->cksum[15];
 
-    for( i = 0; i < 16; i++ )
-    {
+    for (i = 0; i < 16; i++) {
         ctx->cksum[i] = (unsigned char)
-           ( ctx->cksum[i] ^ PI_SUBST[ctx->buffer[i] ^ t] );
+                        (ctx->cksum[i] ^ PI_SUBST[ctx->buffer[i] ^ t]);
         t  = ctx->cksum[i];
     }
 
     /* Zeroise variables to clear sensitive data from memory. */
-    mbedtls_platform_zeroize( &t, sizeof( t ) );
+    mbedtls_platform_zeroize(&t, sizeof(t));
 
-    return( 0 );
+    return 0;
 }
 
 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
-void mbedtls_md2_process( mbedtls_md2_context *ctx )
+void mbedtls_md2_process(mbedtls_md2_context *ctx)
 {
-    mbedtls_internal_md2_process( ctx );
+    mbedtls_internal_md2_process(ctx);
 }
 #endif
 #endif /* !MBEDTLS_MD2_PROCESS_ALT */
@@ -157,78 +154,81 @@
 /*
  * MD2 process buffer
  */
-int mbedtls_md2_update_ret( mbedtls_md2_context *ctx,
-                            const unsigned char *input,
-                            size_t ilen )
+int mbedtls_md2_update_ret(mbedtls_md2_context *ctx,
+                           const unsigned char *input,
+                           size_t ilen)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     size_t fill;
 
-    while( ilen > 0 )
-    {
-        if( ilen > 16 - ctx->left )
+    while (ilen > 0) {
+        if (ilen > 16 - ctx->left) {
             fill = 16 - ctx->left;
-        else
+        } else {
             fill = ilen;
+        }
 
-        memcpy( ctx->buffer + ctx->left, input, fill );
+        memcpy(ctx->buffer + ctx->left, input, fill);
 
         ctx->left += fill;
         input += fill;
         ilen  -= fill;
 
-        if( ctx->left == 16 )
-        {
+        if (ctx->left == 16) {
             ctx->left = 0;
-            if( ( ret = mbedtls_internal_md2_process( ctx ) ) != 0 )
-                return( ret );
+            if ((ret = mbedtls_internal_md2_process(ctx)) != 0) {
+                return ret;
+            }
         }
     }
 
-    return( 0 );
+    return 0;
 }
 
 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
-void mbedtls_md2_update( mbedtls_md2_context *ctx,
-                         const unsigned char *input,
-                         size_t ilen )
+void mbedtls_md2_update(mbedtls_md2_context *ctx,
+                        const unsigned char *input,
+                        size_t ilen)
 {
-    mbedtls_md2_update_ret( ctx, input, ilen );
+    mbedtls_md2_update_ret(ctx, input, ilen);
 }
 #endif
 
 /*
  * MD2 final digest
  */
-int mbedtls_md2_finish_ret( mbedtls_md2_context *ctx,
-                            unsigned char output[16] )
+int mbedtls_md2_finish_ret(mbedtls_md2_context *ctx,
+                           unsigned char output[16])
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     size_t i;
     unsigned char x;
 
-    x = (unsigned char)( 16 - ctx->left );
+    x = (unsigned char) (16 - ctx->left);
 
-    for( i = ctx->left; i < 16; i++ )
+    for (i = ctx->left; i < 16; i++) {
         ctx->buffer[i] = x;
+    }
 
-    if( ( ret = mbedtls_internal_md2_process( ctx ) ) != 0 )
-        return( ret );
+    if ((ret = mbedtls_internal_md2_process(ctx)) != 0) {
+        return ret;
+    }
 
-    memcpy( ctx->buffer, ctx->cksum, 16 );
-    if( ( ret = mbedtls_internal_md2_process( ctx ) ) != 0 )
-        return( ret );
+    memcpy(ctx->buffer, ctx->cksum, 16);
+    if ((ret = mbedtls_internal_md2_process(ctx)) != 0) {
+        return ret;
+    }
 
-    memcpy( output, ctx->state, 16 );
+    memcpy(output, ctx->state, 16);
 
-    return( 0 );
+    return 0;
 }
 
 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
-void mbedtls_md2_finish( mbedtls_md2_context *ctx,
-                         unsigned char output[16] )
+void mbedtls_md2_finish(mbedtls_md2_context *ctx,
+                        unsigned char output[16])
 {
-    mbedtls_md2_finish_ret( ctx, output );
+    mbedtls_md2_finish_ret(ctx, output);
 }
 #endif
 
@@ -237,36 +237,39 @@
 /*
  * output = MD2( input buffer )
  */
-int mbedtls_md2_ret( const unsigned char *input,
-                     size_t ilen,
-                     unsigned char output[16] )
+int mbedtls_md2_ret(const unsigned char *input,
+                    size_t ilen,
+                    unsigned char output[16])
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     mbedtls_md2_context ctx;
 
-    mbedtls_md2_init( &ctx );
+    mbedtls_md2_init(&ctx);
 
-    if( ( ret = mbedtls_md2_starts_ret( &ctx ) ) != 0 )
+    if ((ret = mbedtls_md2_starts_ret(&ctx)) != 0) {
         goto exit;
+    }
 
-    if( ( ret = mbedtls_md2_update_ret( &ctx, input, ilen ) ) != 0 )
+    if ((ret = mbedtls_md2_update_ret(&ctx, input, ilen)) != 0) {
         goto exit;
+    }
 
-    if( ( ret = mbedtls_md2_finish_ret( &ctx, output ) ) != 0 )
+    if ((ret = mbedtls_md2_finish_ret(&ctx, output)) != 0) {
         goto exit;
+    }
 
 exit:
-    mbedtls_md2_free( &ctx );
+    mbedtls_md2_free(&ctx);
 
-    return( ret );
+    return ret;
 }
 
 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
-void mbedtls_md2( const unsigned char *input,
-                  size_t ilen,
-                  unsigned char output[16] )
+void mbedtls_md2(const unsigned char *input,
+                 size_t ilen,
+                 unsigned char output[16])
 {
-    mbedtls_md2_ret( input, ilen, output );
+    mbedtls_md2_ret(input, ilen, output);
 }
 #endif
 
@@ -312,40 +315,43 @@
 /*
  * Checkup routine
  */
-int mbedtls_md2_self_test( int verbose )
+int mbedtls_md2_self_test(int verbose)
 {
     int i, ret = 0;
     unsigned char md2sum[16];
 
-    for( i = 0; i < 7; i++ )
-    {
-        if( verbose != 0 )
-            mbedtls_printf( "  MD2 test #%d: ", i + 1 );
+    for (i = 0; i < 7; i++) {
+        if (verbose != 0) {
+            mbedtls_printf("  MD2 test #%d: ", i + 1);
+        }
 
-        ret = mbedtls_md2_ret( md2_test_str[i], md2_test_strlen[i], md2sum );
-        if( ret != 0 )
+        ret = mbedtls_md2_ret(md2_test_str[i], md2_test_strlen[i], md2sum);
+        if (ret != 0) {
             goto fail;
+        }
 
-        if( memcmp( md2sum, md2_test_sum[i], 16 ) != 0 )
-        {
+        if (memcmp(md2sum, md2_test_sum[i], 16) != 0) {
             ret = 1;
             goto fail;
         }
 
-        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;
 
 fail:
-    if( verbose != 0 )
-        mbedtls_printf( "failed\n" );
+    if (verbose != 0) {
+        mbedtls_printf("failed\n");
+    }
 
-    return( ret );
+    return ret;
 }
 
 #endif /* MBEDTLS_SELF_TEST */