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tests: Remove usage of mbedtls_test_hexify for comparison

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Do not hexify binary data to compare them, do compare
them directly. That simplifies the check code and save
memory.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron 2020-06-26 17:00:30 +02:00
parent aea41df254
commit 4bdc13ff09
5 changed files with 36 additions and 95 deletions
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10
tests/suites/test_suite_aes.function
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@ -319,17 +319,15 @@ exit:
/* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_OFB */
void aes_encrypt_ofb( int fragment_size, data_t *key_str,
data_t *iv_str, data_t *src_str,
char *expected_output_string)
data_t *expected_output )
{
unsigned char output[32];
unsigned char output_string[65];
mbedtls_aes_context ctx;
size_t iv_offset = 0;
int in_buffer_len;
unsigned char* src_str_next;
memset( output, 0x00, sizeof( output ) );
memset( output_string, 0x00, sizeof( output_string ) );
mbedtls_aes_init( &ctx );
TEST_ASSERT( (size_t)fragment_size < sizeof( output ) );
@ -344,12 +342,10 @@ void aes_encrypt_ofb( int fragment_size, data_t *key_str,
TEST_ASSERT( mbedtls_aes_crypt_ofb( &ctx, fragment_size, &iv_offset,
iv_str->x, src_str_next, output ) == 0 );
mbedtls_test_hexify( output_string, output, fragment_size );
TEST_ASSERT( strncmp( (char *) output_string, expected_output_string,
( 2 * fragment_size ) ) == 0 );
TEST_ASSERT( memcmp( output, expected_output->x, fragment_size ) == 0 );
in_buffer_len -= fragment_size;
expected_output_string += ( fragment_size * 2 );
expected_output->x += fragment_size;
src_str_next += fragment_size;
if( in_buffer_len < fragment_size )