Intermediate hexify out change
diff --git a/tests/suites/test_suite_mdx.function b/tests/suites/test_suite_mdx.function
index 648a9cc..7fe5e06 100644
--- a/tests/suites/test_suite_mdx.function
+++ b/tests/suites/test_suite_mdx.function
@@ -6,116 +6,108 @@
 /* END_HEADER */
 
 /* BEGIN_CASE depends_on:MBEDTLS_MD2_C */
-void md2_text( char *text_src_string, char *hex_hash_string )
+void md2_text( char * text_src_string, uint8_t * hex_hash_string,
+               uint32_t hex_hash_string_len )
 {
     int ret;
     unsigned char src_str[100];
-    unsigned char hash_str[33];
     unsigned char output[16];
 
     memset( src_str, 0x00, sizeof src_str );
-    memset( hash_str, 0x00, sizeof hash_str );
     memset( output, 0x00, sizeof output );
 
     strncpy( (char *) src_str, text_src_string, sizeof(src_str) - 1 );
 
     ret = mbedtls_md2_ret( src_str, strlen( (char *) src_str ), output );
     TEST_ASSERT( ret == 0 ) ;
-    hexify( hash_str, output, sizeof  output );
 
-    TEST_ASSERT( strcmp( (char *) hash_str, hex_hash_string ) == 0 );
+    TEST_ASSERT( hexcmp( output, hex_hash_string, sizeof  output, hex_hash_string_len ) == 0 );
 }
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_MD4_C */
-void md4_text( char *text_src_string, char *hex_hash_string )
+void md4_text( char * text_src_string, uint8_t * hex_hash_string,
+               uint32_t hex_hash_string_len )
 {
     int ret;
     unsigned char src_str[100];
-    unsigned char hash_str[33];
     unsigned char output[16];
 
     memset( src_str, 0x00, sizeof src_str );
-    memset( hash_str, 0x00, sizeof hash_str );
     memset( output, 0x00, sizeof output );
 
     strncpy( (char *) src_str, text_src_string, sizeof(src_str) - 1 );
 
     ret = mbedtls_md4_ret( src_str, strlen( (char *) src_str ), output );
     TEST_ASSERT( ret == 0 );
-    hexify( hash_str, output, sizeof  output );
 
-    TEST_ASSERT( strcmp( (char *) hash_str, hex_hash_string ) == 0 );
+    TEST_ASSERT( hexcmp( output, hex_hash_string, sizeof  output, hex_hash_string_len ) == 0 );
 }
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_MD5_C */
-void md5_text( char *text_src_string, char *hex_hash_string )
+void md5_text( char * text_src_string, uint8_t * hex_hash_string,
+               uint32_t hex_hash_string_len )
 {
     int ret;
     unsigned char src_str[100];
-    unsigned char hash_str[33];
     unsigned char output[16];
 
     memset( src_str, 0x00, sizeof src_str );
-    memset( hash_str, 0x00, sizeof hash_str );
     memset( output, 0x00, sizeof output );
 
     strncpy( (char *) src_str, text_src_string, sizeof(src_str) - 1 );
 
     ret = mbedtls_md5_ret( src_str, strlen( (char *) src_str ), output );
     TEST_ASSERT( ret == 0 );
-    hexify( hash_str, output, sizeof  output );
 
-    TEST_ASSERT( strcmp( (char *) hash_str, hex_hash_string ) == 0 );
+    TEST_ASSERT( hexcmp( output, hex_hash_string, sizeof  output, hex_hash_string_len ) == 0 );
 }
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_RIPEMD160_C */
-void ripemd160_text( char *text_src_string, char *hex_hash_string )
+void ripemd160_text( char * text_src_string, uint8_t * hex_hash_string,
+                     uint32_t hex_hash_string_len )
 {
     int ret;
     unsigned char src_str[100];
-    unsigned char hash_str[41];
     unsigned char output[20];
 
     memset(src_str, 0x00, sizeof src_str);
-    memset(hash_str, 0x00, sizeof hash_str);
     memset(output, 0x00, sizeof output);
 
     strncpy( (char *) src_str, text_src_string, sizeof(src_str) - 1 );
 
     ret = mbedtls_ripemd160_ret( src_str, strlen( (char *) src_str ), output );
     TEST_ASSERT( ret == 0 );
-    hexify( hash_str, output, sizeof output );
 
-    TEST_ASSERT( strcmp( (char *) hash_str, hex_hash_string ) == 0 );
+    TEST_ASSERT( hexcmp( output, hex_hash_string, sizeof output, hex_hash_string_len ) == 0 );
 }
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_MD2_C:MBEDTLS_SELF_TEST */
-void md2_selftest()
+void md2_selftest(  )
 {
     TEST_ASSERT( mbedtls_md2_self_test( 1 ) == 0 );
 }
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_MD4_C:MBEDTLS_SELF_TEST */
-void md4_selftest()
+void md4_selftest(  )
 {
     TEST_ASSERT( mbedtls_md4_self_test( 1 ) == 0 );
 }
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_MD5_C:MBEDTLS_SELF_TEST */
-void md5_selftest()
+void md5_selftest(  )
 {
     TEST_ASSERT( mbedtls_md5_self_test( 1 ) == 0 );
 }
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_RIPEMD160_C:MBEDTLS_SELF_TEST */
-void ripemd160_selftest()
+void ripemd160_selftest(  )
 {
     TEST_ASSERT( mbedtls_ripemd160_self_test( 1 ) == 0 );
 }