diff --git a/tests/src/helpers.c b/tests/src/helpers.c
index be5c465..30fd362 100644
--- a/tests/src/helpers.c
+++ b/tests/src/helpers.c
@@ -32,40 +32,40 @@
 /*----------------------------------------------------------------------------*/
 /* Helper Functions */
 
-int mbedtls_test_platform_setup( void )
+int mbedtls_test_platform_setup(void)
 {
     int ret = 0;
 #if defined(MBEDTLS_PLATFORM_C)
-    ret = mbedtls_platform_setup( &platform_ctx );
+    ret = mbedtls_platform_setup(&platform_ctx);
 #endif /* MBEDTLS_PLATFORM_C */
-    return( ret );
+    return ret;
 }
 
-void mbedtls_test_platform_teardown( void )
+void mbedtls_test_platform_teardown(void)
 {
 #if defined(MBEDTLS_PLATFORM_C)
-    mbedtls_platform_teardown( &platform_ctx );
+    mbedtls_platform_teardown(&platform_ctx);
 #endif /* MBEDTLS_PLATFORM_C */
 }
 
 int mbedtls_test_ascii2uc(const char c, unsigned char *uc)
 {
-    if( ( c >= '0' ) && ( c <= '9' ) )
+    if ((c >= '0') && (c <= '9')) {
         *uc = c - '0';
-    else if( ( c >= 'a' ) && ( c <= 'f' ) )
+    } else if ((c >= 'a') && (c <= 'f')) {
         *uc = c - 'a' + 10;
-    else if( ( c >= 'A' ) && ( c <= 'F' ) )
+    } else if ((c >= 'A') && (c <= 'F')) {
         *uc = c - 'A' + 10;
-    else
-        return( -1 );
+    } else {
+        return -1;
+    }
 
-    return( 0 );
+    return 0;
 }
 
-void mbedtls_test_fail( const char *test, int line_no, const char* filename )
+void mbedtls_test_fail(const char *test, int line_no, const char *filename)
 {
-    if( mbedtls_test_info.result == MBEDTLS_TEST_RESULT_FAILED )
-    {
+    if (mbedtls_test_info.result == MBEDTLS_TEST_RESULT_FAILED) {
         /* We've already recorded the test as having failed. Don't
          * overwrite any previous information about the failure. */
         return;
@@ -76,7 +76,7 @@
     mbedtls_test_info.filename = filename;
 }
 
-void mbedtls_test_skip( const char *test, int line_no, const char* filename )
+void mbedtls_test_skip(const char *test, int line_no, const char *filename)
 {
     mbedtls_test_info.result = MBEDTLS_TEST_RESULT_SKIPPED;
     mbedtls_test_info.test = test;
@@ -84,7 +84,7 @@
     mbedtls_test_info.filename = filename;
 }
 
-void mbedtls_test_set_step( unsigned long step )
+void mbedtls_test_set_step(unsigned long step)
 {
     mbedtls_test_info.step = step;
 }
@@ -93,201 +93,205 @@
 unsigned mbedtls_test_case_uses_negative_0 = 0;
 #endif
 
-void mbedtls_test_info_reset( void )
+void mbedtls_test_info_reset(void)
 {
     mbedtls_test_info.result = MBEDTLS_TEST_RESULT_SUCCESS;
-    mbedtls_test_info.step = (unsigned long)( -1 );
+    mbedtls_test_info.step = (unsigned long) (-1);
     mbedtls_test_info.test = 0;
     mbedtls_test_info.line_no = 0;
     mbedtls_test_info.filename = 0;
-    memset( mbedtls_test_info.line1, 0, sizeof( mbedtls_test_info.line1 ) );
-    memset( mbedtls_test_info.line2, 0, sizeof( mbedtls_test_info.line2 ) );
+    memset(mbedtls_test_info.line1, 0, sizeof(mbedtls_test_info.line1));
+    memset(mbedtls_test_info.line2, 0, sizeof(mbedtls_test_info.line2));
 #if defined(MBEDTLS_BIGNUM_C)
     mbedtls_test_case_uses_negative_0 = 0;
 #endif
 }
 
-int mbedtls_test_equal( const char *test, int line_no, const char* filename,
-                        unsigned long long value1, unsigned long long value2 )
+int mbedtls_test_equal(const char *test, int line_no, const char *filename,
+                       unsigned long long value1, unsigned long long value2)
 {
-    TEST_CF_PUBLIC( &value1, sizeof( value1 ) );
-    TEST_CF_PUBLIC( &value2, sizeof( value2 ) );
+    TEST_CF_PUBLIC(&value1, sizeof(value1));
+    TEST_CF_PUBLIC(&value2, sizeof(value2));
 
-    if( value1 == value2 )
-        return( 1 );
+    if (value1 == value2) {
+        return 1;
+    }
 
-    if( mbedtls_test_info.result == MBEDTLS_TEST_RESULT_FAILED )
-    {
+    if (mbedtls_test_info.result == MBEDTLS_TEST_RESULT_FAILED) {
         /* We've already recorded the test as having failed. Don't
          * overwrite any previous information about the failure. */
-        return( 0 );
+        return 0;
     }
-    mbedtls_test_fail( test, line_no, filename );
-    (void) mbedtls_snprintf( mbedtls_test_info.line1,
-                             sizeof( mbedtls_test_info.line1 ),
-                             "lhs = 0x%016llx = %lld",
-                             value1, (long long) value1 );
-    (void) mbedtls_snprintf( mbedtls_test_info.line2,
-                             sizeof( mbedtls_test_info.line2 ),
-                             "rhs = 0x%016llx = %lld",
-                             value2, (long long) value2 );
-    return( 0 );
+    mbedtls_test_fail(test, line_no, filename);
+    (void) mbedtls_snprintf(mbedtls_test_info.line1,
+                            sizeof(mbedtls_test_info.line1),
+                            "lhs = 0x%016llx = %lld",
+                            value1, (long long) value1);
+    (void) mbedtls_snprintf(mbedtls_test_info.line2,
+                            sizeof(mbedtls_test_info.line2),
+                            "rhs = 0x%016llx = %lld",
+                            value2, (long long) value2);
+    return 0;
 }
 
-int mbedtls_test_le_u( const char *test, int line_no, const char* filename,
-                       unsigned long long value1, unsigned long long value2 )
+int mbedtls_test_le_u(const char *test, int line_no, const char *filename,
+                      unsigned long long value1, unsigned long long value2)
 {
-    TEST_CF_PUBLIC( &value1, sizeof( value1 ) );
-    TEST_CF_PUBLIC( &value2, sizeof( value2 ) );
+    TEST_CF_PUBLIC(&value1, sizeof(value1));
+    TEST_CF_PUBLIC(&value2, sizeof(value2));
 
-    if( value1 <= value2 )
-        return( 1 );
+    if (value1 <= value2) {
+        return 1;
+    }
 
-    if( mbedtls_test_info.result == MBEDTLS_TEST_RESULT_FAILED )
-    {
+    if (mbedtls_test_info.result == MBEDTLS_TEST_RESULT_FAILED) {
         /* We've already recorded the test as having failed. Don't
          * overwrite any previous information about the failure. */
-        return( 0 );
+        return 0;
     }
-    mbedtls_test_fail( test, line_no, filename );
-    (void) mbedtls_snprintf( mbedtls_test_info.line1,
-                             sizeof( mbedtls_test_info.line1 ),
-                             "lhs = 0x%016llx = %llu",
-                             value1, value1 );
-    (void) mbedtls_snprintf( mbedtls_test_info.line2,
-                             sizeof( mbedtls_test_info.line2 ),
-                             "rhs = 0x%016llx = %llu",
-                             value2, value2 );
-    return( 0 );
+    mbedtls_test_fail(test, line_no, filename);
+    (void) mbedtls_snprintf(mbedtls_test_info.line1,
+                            sizeof(mbedtls_test_info.line1),
+                            "lhs = 0x%016llx = %llu",
+                            value1, value1);
+    (void) mbedtls_snprintf(mbedtls_test_info.line2,
+                            sizeof(mbedtls_test_info.line2),
+                            "rhs = 0x%016llx = %llu",
+                            value2, value2);
+    return 0;
 }
 
-int mbedtls_test_le_s( const char *test, int line_no, const char* filename,
-                       long long value1, long long value2 )
+int mbedtls_test_le_s(const char *test, int line_no, const char *filename,
+                      long long value1, long long value2)
 {
-    TEST_CF_PUBLIC( &value1, sizeof( value1 ) );
-    TEST_CF_PUBLIC( &value2, sizeof( value2 ) );
+    TEST_CF_PUBLIC(&value1, sizeof(value1));
+    TEST_CF_PUBLIC(&value2, sizeof(value2));
 
-    if( value1 <= value2 )
-        return( 1 );
+    if (value1 <= value2) {
+        return 1;
+    }
 
-    if( mbedtls_test_info.result == MBEDTLS_TEST_RESULT_FAILED )
-    {
+    if (mbedtls_test_info.result == MBEDTLS_TEST_RESULT_FAILED) {
         /* We've already recorded the test as having failed. Don't
          * overwrite any previous information about the failure. */
-        return( 0 );
+        return 0;
     }
-    mbedtls_test_fail( test, line_no, filename );
-    (void) mbedtls_snprintf( mbedtls_test_info.line1,
-                             sizeof( mbedtls_test_info.line1 ),
-                             "lhs = 0x%016llx = %lld",
-                             (unsigned long long) value1, value1 );
-    (void) mbedtls_snprintf( mbedtls_test_info.line2,
-                             sizeof( mbedtls_test_info.line2 ),
-                             "rhs = 0x%016llx = %lld",
-                             (unsigned long long) value2, value2 );
-    return( 0 );
+    mbedtls_test_fail(test, line_no, filename);
+    (void) mbedtls_snprintf(mbedtls_test_info.line1,
+                            sizeof(mbedtls_test_info.line1),
+                            "lhs = 0x%016llx = %lld",
+                            (unsigned long long) value1, value1);
+    (void) mbedtls_snprintf(mbedtls_test_info.line2,
+                            sizeof(mbedtls_test_info.line2),
+                            "rhs = 0x%016llx = %lld",
+                            (unsigned long long) value2, value2);
+    return 0;
 }
 
-int mbedtls_test_unhexify( unsigned char *obuf,
-                           size_t obufmax,
-                           const char *ibuf,
-                           size_t *len )
+int mbedtls_test_unhexify(unsigned char *obuf,
+                          size_t obufmax,
+                          const char *ibuf,
+                          size_t *len)
 {
     unsigned char uc, uc2;
 
-    *len = strlen( ibuf );
+    *len = strlen(ibuf);
 
     /* Must be even number of bytes. */
-    if ( ( *len ) & 1 )
-        return( -1 );
+    if ((*len) & 1) {
+        return -1;
+    }
     *len /= 2;
 
-    if ( (*len) > obufmax )
-        return( -1 );
-
-    while( *ibuf != 0 )
-    {
-        if ( mbedtls_test_ascii2uc( *(ibuf++), &uc ) != 0 )
-            return( -1 );
-
-        if ( mbedtls_test_ascii2uc( *(ibuf++), &uc2 ) != 0 )
-            return( -1 );
-
-        *(obuf++) = ( uc << 4 ) | uc2;
+    if ((*len) > obufmax) {
+        return -1;
     }
 
-    return( 0 );
+    while (*ibuf != 0) {
+        if (mbedtls_test_ascii2uc(*(ibuf++), &uc) != 0) {
+            return -1;
+        }
+
+        if (mbedtls_test_ascii2uc(*(ibuf++), &uc2) != 0) {
+            return -1;
+        }
+
+        *(obuf++) = (uc << 4) | uc2;
+    }
+
+    return 0;
 }
 
-void mbedtls_test_hexify( unsigned char *obuf,
-                          const unsigned char *ibuf,
-                          int len )
+void mbedtls_test_hexify(unsigned char *obuf,
+                         const unsigned char *ibuf,
+                         int len)
 {
     unsigned char l, h;
 
-    while( len != 0 )
-    {
+    while (len != 0) {
         h = *ibuf / 16;
         l = *ibuf % 16;
 
-        if( h < 10 )
+        if (h < 10) {
             *obuf++ = '0' + h;
-        else
+        } else {
             *obuf++ = 'a' + h - 10;
+        }
 
-        if( l < 10 )
+        if (l < 10) {
             *obuf++ = '0' + l;
-        else
+        } else {
             *obuf++ = 'a' + l - 10;
+        }
 
         ++ibuf;
         len--;
     }
 }
 
-unsigned char *mbedtls_test_zero_alloc( size_t len )
+unsigned char *mbedtls_test_zero_alloc(size_t len)
 {
     void *p;
-    size_t actual_len = ( len != 0 ) ? len : 1;
+    size_t actual_len = (len != 0) ? len : 1;
 
-    p = mbedtls_calloc( 1, actual_len );
-    TEST_HELPER_ASSERT( p != NULL );
+    p = mbedtls_calloc(1, actual_len);
+    TEST_HELPER_ASSERT(p != NULL);
 
-    memset( p, 0x00, actual_len );
+    memset(p, 0x00, actual_len);
 
-    return( p );
+    return p;
 }
 
-unsigned char *mbedtls_test_unhexify_alloc( const char *ibuf, size_t *olen )
+unsigned char *mbedtls_test_unhexify_alloc(const char *ibuf, size_t *olen)
 {
     unsigned char *obuf;
     size_t len;
 
-    *olen = strlen( ibuf ) / 2;
+    *olen = strlen(ibuf) / 2;
 
-    if( *olen == 0 )
-        return( mbedtls_test_zero_alloc( *olen ) );
+    if (*olen == 0) {
+        return mbedtls_test_zero_alloc(*olen);
+    }
 
-    obuf = mbedtls_calloc( 1, *olen );
-    TEST_HELPER_ASSERT( obuf != NULL );
-    TEST_HELPER_ASSERT( mbedtls_test_unhexify( obuf, *olen, ibuf, &len ) == 0 );
+    obuf = mbedtls_calloc(1, *olen);
+    TEST_HELPER_ASSERT(obuf != NULL);
+    TEST_HELPER_ASSERT(mbedtls_test_unhexify(obuf, *olen, ibuf, &len) == 0);
 
-    return( obuf );
+    return obuf;
 }
 
-int mbedtls_test_hexcmp( uint8_t * a, uint8_t * b,
-                         uint32_t a_len, uint32_t b_len )
+int mbedtls_test_hexcmp(uint8_t *a, uint8_t *b,
+                        uint32_t a_len, uint32_t b_len)
 {
     int ret = 0;
     uint32_t i = 0;
 
-    if( a_len != b_len )
-        return( -1 );
+    if (a_len != b_len) {
+        return -1;
+    }
 
-    for( i = 0; i < a_len; i++ )
-    {
-        if( a[i] != b[i] )
-        {
+    for (i = 0; i < a_len; i++) {
+        if (a[i] != b[i]) {
             ret = -1;
             break;
         }
@@ -296,8 +300,8 @@
 }
 
 #if defined(MBEDTLS_TEST_HOOKS)
-void mbedtls_test_err_add_check( int high, int low,
-                                 const char *file, int line )
+void mbedtls_test_err_add_check(int high, int low,
+                                const char *file, int line)
 {
     /* Error codes are always negative (a value of zero is a success) however
      * their positive opposites can be easier to understand. The following
@@ -311,42 +315,33 @@
      *     and module-dependent error code (bits 7..11)).
      * l = low level error code.
      */
-    if ( high > -0x1000 && high != 0 )
-    /* high < 0001000000000000
-     * No high level module ID bits are set.
-     */
-    {
-        mbedtls_test_fail( "'high' is not a high-level error code",
-                            line, file );
-    }
-    else if ( high < -0x7F80 )
-    /* high > 0111111110000000
-     * Error code is greater than the largest allowed high level module ID.
-     */
-    {
-        mbedtls_test_fail( "'high' error code is greater than 15 bits",
-                            line, file );
-    }
-    else if ( ( high & 0x7F ) != 0 )
-    /* high & 0000000001111111
-     * Error code contains low level error code bits.
-     */
-    {
-        mbedtls_test_fail( "'high' contains a low-level error code",
-                            line, file );
-    }
-    else if ( low < -0x007F )
-    /* low >  0000000001111111
-     * Error code contains high or module level error code bits.
-     */
-    {
-        mbedtls_test_fail( "'low' error code is greater than 7 bits",
-                            line, file );
-    }
-    else if ( low > 0 )
-    {
-        mbedtls_test_fail( "'low' error code is greater than zero",
-                            line, file );
+    if (high > -0x1000 && high != 0) {
+        /* high < 0001000000000000
+         * No high level module ID bits are set.
+         */
+        mbedtls_test_fail("'high' is not a high-level error code",
+                          line, file);
+    } else if (high < -0x7F80) {
+        /* high > 0111111110000000
+         * Error code is greater than the largest allowed high level module ID.
+         */
+        mbedtls_test_fail("'high' error code is greater than 15 bits",
+                          line, file);
+    } else if ((high & 0x7F) != 0) {
+        /* high & 0000000001111111
+         * Error code contains low level error code bits.
+         */
+        mbedtls_test_fail("'high' contains a low-level error code",
+                          line, file);
+    } else if (low < -0x007F) {
+        /* low >  0000000001111111
+         * Error code contains high or module level error code bits.
+         */
+        mbedtls_test_fail("'low' error code is greater than 7 bits",
+                          line, file);
+    } else if (low > 0) {
+        mbedtls_test_fail("'low' error code is greater than zero",
+                          line, file);
     }
 }
 #endif /* MBEDTLS_TEST_HOOKS */