tests: Get rid of mbedtls_test_unhexify() in unit test code

In test functions calling mbedtls_test_unhexify(), change the
type of the associated parameters from `char*` to `data_t`.

That way the `unhexify` operation is done by the test
framework and not by the unit test code.

Use for the new parameters of type data_t the name of the
local variable that used to store the `unhexify` version of
the `char*` parameter.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/tests/suites/test_suite_aria.function b/tests/suites/test_suite_aria.function
index d8a2971..d08c39d 100644
--- a/tests/suites/test_suite_aria.function
+++ b/tests/suites/test_suite_aria.function
@@ -206,35 +206,28 @@
 /* END_CASE */
 
 /* BEGIN_CASE */
-void aria_encrypt_ecb( char *hex_key_string, char *hex_src_string,
+void aria_encrypt_ecb( data_t *key_str, data_t *src_str,
                        char *hex_dst_string, int setkey_result )
 {
-    unsigned char key_str[ARIA_MAX_KEY_STR];
-    unsigned char src_str[ARIA_MAX_DATA_STR];
     unsigned char dst_str[ARIA_MAX_DATA_STR];
     unsigned char output[ARIA_MAX_DATASIZE];
     mbedtls_aria_context ctx;
-    size_t key_len, src_str_len, i;
+    size_t i;
 
-    memset( key_str, 0x00, sizeof( key_str ) );
-    memset( src_str, 0x00, sizeof( src_str ) );
     memset( dst_str, 0x00, sizeof( dst_str ) );
     memset( output, 0x00, sizeof( output ) );
     mbedtls_aria_init( &ctx );
 
-    key_len = mbedtls_test_unhexify( key_str, hex_key_string );
-    src_str_len = mbedtls_test_unhexify( src_str, hex_src_string );
-
-    TEST_ASSERT( mbedtls_aria_setkey_enc( &ctx, key_str, key_len * 8 )
+    TEST_ASSERT( mbedtls_aria_setkey_enc( &ctx, key_str->x, key_str->len * 8 )
                  == setkey_result );
     if( setkey_result == 0 )
     {
-        for( i = 0; i < src_str_len; i += MBEDTLS_ARIA_BLOCKSIZE )
+        for( i = 0; i < src_str->len; i += MBEDTLS_ARIA_BLOCKSIZE )
         {
-            TEST_ASSERT( mbedtls_aria_crypt_ecb( &ctx, src_str + i, output + i )
-                                                 == 0 );
+            TEST_ASSERT( mbedtls_aria_crypt_ecb( &ctx, src_str->x + i,
+                                                 output + i ) == 0 );
         }
-        mbedtls_test_hexify( dst_str, output, src_str_len );
+        mbedtls_test_hexify( dst_str, output, src_str->len );
 
         TEST_ASSERT( strcasecmp( (char *) dst_str, hex_dst_string ) == 0 );
     }
@@ -245,35 +238,28 @@
 /* END_CASE */
 
 /* BEGIN_CASE */
-void aria_decrypt_ecb( char *hex_key_string, char *hex_src_string,
+void aria_decrypt_ecb( data_t *key_str, data_t *src_str,
                        char *hex_dst_string, int setkey_result )
 {
-    unsigned char key_str[ARIA_MAX_KEY_STR];
-    unsigned char src_str[ARIA_MAX_DATA_STR];
     unsigned char dst_str[ARIA_MAX_DATA_STR];
     unsigned char output[ARIA_MAX_DATASIZE];
     mbedtls_aria_context ctx;
-    size_t key_len, src_str_len, i;
+    size_t i;
 
-    memset( key_str, 0x00, sizeof( key_str ) );
-    memset( src_str, 0x00, sizeof( src_str ) );
     memset( dst_str, 0x00, sizeof( dst_str ) );
     memset( output, 0x00, sizeof( output ) );
     mbedtls_aria_init( &ctx );
 
-    key_len = mbedtls_test_unhexify( key_str, hex_key_string );
-    src_str_len = mbedtls_test_unhexify( src_str, hex_src_string );
-
-    TEST_ASSERT( mbedtls_aria_setkey_dec( &ctx, key_str, key_len * 8 )
+    TEST_ASSERT( mbedtls_aria_setkey_dec( &ctx, key_str->x, key_str->len * 8 )
                  == setkey_result );
     if( setkey_result == 0 )
     {
-        for( i = 0; i < src_str_len; i += MBEDTLS_ARIA_BLOCKSIZE )
+        for( i = 0; i < src_str->len; i += MBEDTLS_ARIA_BLOCKSIZE )
         {
-            TEST_ASSERT( mbedtls_aria_crypt_ecb( &ctx, src_str + i, output + i )
-                         == 0 );
+            TEST_ASSERT( mbedtls_aria_crypt_ecb( &ctx, src_str->x + i,
+                                                 output + i ) == 0 );
         }
-        mbedtls_test_hexify( dst_str, output, src_str_len );
+        mbedtls_test_hexify( dst_str, output, src_str->len );
 
         TEST_ASSERT( strcasecmp( (char *) dst_str, hex_dst_string ) == 0 );
     }
@@ -284,36 +270,25 @@
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CBC */
-void aria_encrypt_cbc( char *hex_key_string, char *hex_iv_string,
-                       char *hex_src_string, char *hex_dst_string,
+void aria_encrypt_cbc( data_t *key_str, data_t *iv_str,
+                       data_t *src_str, char *hex_dst_string,
                        int cbc_result )
 {
-    unsigned char key_str[ARIA_MAX_KEY_STR];
-    unsigned char iv_str[ARIA_BLOCK_STR];
-    unsigned char src_str[ARIA_MAX_DATA_STR];
     unsigned char dst_str[ARIA_MAX_DATA_STR];
     unsigned char output[ARIA_MAX_DATASIZE];
     mbedtls_aria_context ctx;
-    size_t key_len, src_str_len;
 
-    memset( key_str, 0x00, sizeof( key_str ) );
-    memset( iv_str, 0x00, sizeof( iv_str ) );
-    memset( src_str, 0x00, sizeof( src_str ) );
     memset( dst_str, 0x00, sizeof( dst_str ) );
     memset( output, 0x00, sizeof( output ) );
     mbedtls_aria_init( &ctx );
 
-    key_len = mbedtls_test_unhexify( key_str, hex_key_string );
-    mbedtls_test_unhexify( iv_str, hex_iv_string );
-    src_str_len = mbedtls_test_unhexify( src_str, hex_src_string );
-
-    mbedtls_aria_setkey_enc( &ctx, key_str, key_len * 8 );
-    TEST_ASSERT( mbedtls_aria_crypt_cbc( &ctx, MBEDTLS_ARIA_ENCRYPT, src_str_len,
-                                         iv_str, src_str, output )
-                 == cbc_result );
+    mbedtls_aria_setkey_enc( &ctx, key_str->x, key_str->len * 8 );
+    TEST_ASSERT( mbedtls_aria_crypt_cbc( &ctx, MBEDTLS_ARIA_ENCRYPT,
+                                         src_str->len, iv_str->x, src_str->x,
+                                         output ) == cbc_result );
     if( cbc_result == 0 )
     {
-        mbedtls_test_hexify( dst_str, output, src_str_len );
+        mbedtls_test_hexify( dst_str, output, src_str->len );
 
         TEST_ASSERT( strcasecmp( (char *) dst_str, hex_dst_string ) == 0 );
     }
@@ -324,36 +299,25 @@
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CBC */
-void aria_decrypt_cbc( char *hex_key_string, char *hex_iv_string,
-                       char *hex_src_string, char *hex_dst_string,
+void aria_decrypt_cbc( data_t *key_str, data_t *iv_str,
+                       data_t *src_str, char *hex_dst_string,
                        int cbc_result )
 {
-    unsigned char key_str[ARIA_MAX_KEY_STR];
-    unsigned char iv_str[ARIA_BLOCK_STR];
-    unsigned char src_str[ARIA_MAX_DATA_STR];
     unsigned char dst_str[ARIA_MAX_DATA_STR];
     unsigned char output[ARIA_MAX_DATASIZE];
     mbedtls_aria_context ctx;
-    size_t key_len, src_str_len;
 
-    memset( key_str, 0x00, sizeof( key_str ) );
-    memset( iv_str, 0x00, sizeof( iv_str ) );
-    memset( src_str, 0x00, sizeof( src_str ) );
     memset( dst_str, 0x00, sizeof( dst_str ) );
     memset( output, 0x00, sizeof( output ) );
     mbedtls_aria_init( &ctx );
 
-    key_len = mbedtls_test_unhexify( key_str, hex_key_string );
-    mbedtls_test_unhexify( iv_str, hex_iv_string );
-    src_str_len = mbedtls_test_unhexify( src_str, hex_src_string );
-
-    mbedtls_aria_setkey_dec( &ctx, key_str, key_len * 8 );
-    TEST_ASSERT( mbedtls_aria_crypt_cbc( &ctx, MBEDTLS_ARIA_DECRYPT, src_str_len,
-                                         iv_str, src_str, output )
-                 == cbc_result );
+    mbedtls_aria_setkey_dec( &ctx, key_str->x, key_str->len * 8 );
+    TEST_ASSERT( mbedtls_aria_crypt_cbc( &ctx, MBEDTLS_ARIA_DECRYPT,
+                                         src_str->len, iv_str->x, src_str->x,
+                                         output ) == cbc_result );
     if( cbc_result == 0 )
     {
-        mbedtls_test_hexify( dst_str, output, src_str_len );
+        mbedtls_test_hexify( dst_str, output, src_str->len );
 
         TEST_ASSERT( strcasecmp( (char *) dst_str, hex_dst_string ) == 0 );
     }
@@ -364,36 +328,25 @@
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CFB */
-void aria_encrypt_cfb128( char *hex_key_string, char *hex_iv_string,
-                          char *hex_src_string, char *hex_dst_string,
+void aria_encrypt_cfb128( data_t *key_str, data_t *iv_str,
+                          data_t *src_str, char *hex_dst_string,
                           int result )
 {
-    unsigned char key_str[ARIA_MAX_KEY_STR];
-    unsigned char iv_str[ARIA_BLOCK_STR];
-    unsigned char src_str[ARIA_MAX_DATA_STR];
     unsigned char dst_str[ARIA_MAX_DATA_STR];
     unsigned char output[ARIA_MAX_DATASIZE];
     mbedtls_aria_context ctx;
     size_t iv_offset = 0;
-    size_t key_len, src_str_len;
 
-    memset( key_str, 0x00, sizeof( key_str ) );
-    memset( iv_str, 0x00, sizeof( iv_str ) );
-    memset( src_str, 0x00, sizeof( src_str ) );
     memset( dst_str, 0x00, sizeof( dst_str ) );
     memset( output, 0x00, sizeof( output ) );
     mbedtls_aria_init( &ctx );
 
-    key_len = mbedtls_test_unhexify( key_str, hex_key_string );
-    mbedtls_test_unhexify( iv_str, hex_iv_string );
-    src_str_len = mbedtls_test_unhexify( src_str, hex_src_string );
-
-    mbedtls_aria_setkey_enc( &ctx, key_str, key_len * 8 );
+    mbedtls_aria_setkey_enc( &ctx, key_str->x, key_str->len * 8 );
     TEST_ASSERT( mbedtls_aria_crypt_cfb128( &ctx, MBEDTLS_ARIA_ENCRYPT,
-                                            src_str_len, &iv_offset, iv_str,
-                                            src_str, output )
+                                            src_str->len, &iv_offset,
+                                            iv_str->x, src_str->x, output )
                  == result );
-    mbedtls_test_hexify( dst_str, output, src_str_len );
+    mbedtls_test_hexify( dst_str, output, src_str->len );
 
     TEST_ASSERT( strcasecmp( (char *) dst_str, hex_dst_string ) == 0 );
 
@@ -403,36 +356,25 @@
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CFB */
-void aria_decrypt_cfb128( char *hex_key_string, char *hex_iv_string,
-                          char *hex_src_string, char *hex_dst_string,
+void aria_decrypt_cfb128( data_t *key_str, data_t *iv_str,
+                          data_t *src_str, char *hex_dst_string,
                           int result  )
 {
-    unsigned char key_str[ARIA_MAX_KEY_STR];
-    unsigned char iv_str[ARIA_BLOCK_STR];
-    unsigned char src_str[ARIA_MAX_DATA_STR];
     unsigned char dst_str[ARIA_MAX_DATA_STR];
     unsigned char output[ARIA_MAX_DATASIZE];
     mbedtls_aria_context ctx;
     size_t iv_offset = 0;
-    size_t key_len, src_str_len;
 
-    memset( key_str, 0x00, sizeof( key_str ) );
-    memset( iv_str, 0x00, sizeof( iv_str ) );
-    memset( src_str, 0x00, sizeof( src_str ) );
     memset( dst_str, 0x00, sizeof( dst_str ) );
     memset( output, 0x00, sizeof( output ) );
     mbedtls_aria_init( &ctx );
 
-    key_len = mbedtls_test_unhexify( key_str, hex_key_string );
-    mbedtls_test_unhexify( iv_str, hex_iv_string );
-    src_str_len = mbedtls_test_unhexify( src_str, hex_src_string );
-
-    mbedtls_aria_setkey_enc( &ctx, key_str, key_len * 8 );
+    mbedtls_aria_setkey_enc( &ctx, key_str->x, key_str->len * 8 );
     TEST_ASSERT( mbedtls_aria_crypt_cfb128( &ctx, MBEDTLS_ARIA_DECRYPT,
-                                            src_str_len, &iv_offset, iv_str,
-                                            src_str, output )
+                                            src_str->len, &iv_offset,
+                                            iv_str->x, src_str->x, output )
                  == result );
-    mbedtls_test_hexify( dst_str, output, src_str_len );
+    mbedtls_test_hexify( dst_str, output, src_str->len );
 
     TEST_ASSERT( strcasecmp( (char *) dst_str, hex_dst_string ) == 0 );
 
@@ -442,36 +384,25 @@
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CTR */
-void aria_encrypt_ctr( char *hex_key_string, char *hex_iv_string,
-                       char *hex_src_string, char *hex_dst_string,
+void aria_encrypt_ctr( data_t *key_str, data_t *iv_str,
+                       data_t *src_str, char *hex_dst_string,
                        int result )
 {
-    unsigned char key_str[ARIA_MAX_KEY_STR];
-    unsigned char iv_str[ARIA_BLOCK_STR];
-    unsigned char src_str[ARIA_MAX_DATA_STR];
     unsigned char dst_str[ARIA_MAX_DATA_STR];
     unsigned char output[ARIA_MAX_DATASIZE];
     unsigned char blk[MBEDTLS_ARIA_BLOCKSIZE];
     mbedtls_aria_context ctx;
     size_t iv_offset = 0;
-    size_t key_len, src_str_len;
 
-    memset( key_str, 0x00, sizeof( key_str ) );
-    memset( iv_str, 0x00, sizeof( iv_str ) );
-    memset( src_str, 0x00, sizeof( src_str ) );
     memset( dst_str, 0x00, sizeof( dst_str ) );
     memset( output, 0x00, sizeof( output ) );
     mbedtls_aria_init( &ctx );
 
-    key_len = mbedtls_test_unhexify( key_str, hex_key_string );
-    mbedtls_test_unhexify( iv_str, hex_iv_string );
-    src_str_len = mbedtls_test_unhexify( src_str, hex_src_string );
-
-    mbedtls_aria_setkey_enc( &ctx, key_str, key_len * 8 );
-    TEST_ASSERT( mbedtls_aria_crypt_ctr( &ctx, src_str_len, &iv_offset, iv_str,
-                                         blk, src_str, output )
+    mbedtls_aria_setkey_enc( &ctx, key_str->x, key_str->len * 8 );
+    TEST_ASSERT( mbedtls_aria_crypt_ctr( &ctx, src_str->len, &iv_offset,
+                                         iv_str->x, blk, src_str->x, output )
                  == result );
-    mbedtls_test_hexify( dst_str, output, src_str_len );
+    mbedtls_test_hexify( dst_str, output, src_str->len );
 
     TEST_ASSERT( strcasecmp( (char *) dst_str, hex_dst_string ) == 0 );
 
@@ -481,36 +412,25 @@
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CTR */
-void aria_decrypt_ctr( char *hex_key_string, char *hex_iv_string,
-                       char *hex_src_string, char *hex_dst_string,
+void aria_decrypt_ctr( data_t *key_str, data_t *iv_str,
+                       data_t *src_str, char *hex_dst_string,
                        int result )
 {
-    unsigned char key_str[ARIA_MAX_KEY_STR];
-    unsigned char iv_str[ARIA_BLOCK_STR];
-    unsigned char src_str[ARIA_MAX_DATA_STR];
     unsigned char dst_str[ARIA_MAX_DATA_STR];
     unsigned char output[ARIA_MAX_DATASIZE];
     unsigned char blk[MBEDTLS_ARIA_BLOCKSIZE];
     mbedtls_aria_context ctx;
     size_t iv_offset = 0;
-    size_t key_len, src_str_len;
 
-    memset( key_str, 0x00, sizeof( key_str ) );
-    memset( iv_str, 0x00, sizeof( iv_str ) );
-    memset( src_str, 0x00, sizeof( src_str ) );
     memset( dst_str, 0x00, sizeof( dst_str ) );
     memset( output, 0x00, sizeof( output ) );
     mbedtls_aria_init( &ctx );
 
-    key_len = mbedtls_test_unhexify( key_str, hex_key_string );
-    mbedtls_test_unhexify( iv_str, hex_iv_string );
-    src_str_len = mbedtls_test_unhexify( src_str, hex_src_string );
-
-    mbedtls_aria_setkey_enc( &ctx, key_str, key_len * 8 );
-    TEST_ASSERT( mbedtls_aria_crypt_ctr( &ctx, src_str_len, &iv_offset, iv_str,
-                                         blk, src_str, output )
+    mbedtls_aria_setkey_enc( &ctx, key_str->x, key_str->len * 8 );
+    TEST_ASSERT( mbedtls_aria_crypt_ctr( &ctx, src_str->len, &iv_offset,
+                                         iv_str->x, blk, src_str->x, output )
                  == result );
-    mbedtls_test_hexify( dst_str, output, src_str_len );
+    mbedtls_test_hexify( dst_str, output, src_str->len );
 
     TEST_ASSERT( strcasecmp( (char *) dst_str, hex_dst_string ) == 0 );