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Add tests for th init_buf() variant of HMAC_DRBG

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Manuel Pégourié-Gonnard 2014-02-01 11:30:03 +01:00
parent cf38367f45
commit e6cdbbd40b
1 changed files with 17 additions and 0 deletions
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17
tests/suites/test_suite_hmac_drbg.function
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@ -153,6 +153,7 @@ void hmac_drbg_no_reseed( int md_alg,
char *add1_hex, char *add2_hex, char *add1_hex, char *add2_hex,
char *output_hex ) char *output_hex )
{ {
unsigned char data[1024];
unsigned char entropy[512]; unsigned char entropy[512];
unsigned char custom[512]; unsigned char custom[512];
unsigned char add1[512]; unsigned char add1[512];
@ -174,6 +175,21 @@ void hmac_drbg_no_reseed( int md_alg,
p_entropy.p = entropy; p_entropy.p = entropy;
TEST_ASSERT( ( md_info = md_info_from_type( md_alg ) ) != NULL ); TEST_ASSERT( ( md_info = md_info_from_type( md_alg ) ) != NULL );
/* Test the simplified buffer-based variant */
memcpy( data, entropy, p_entropy.len );
memcpy( data + p_entropy.len, custom, custom_len );
TEST_ASSERT( hmac_drbg_init_buf( &ctx, md_info,
data, p_entropy.len + custom_len ) == 0 );
TEST_ASSERT( hmac_drbg_random_with_add( &ctx, my_output, out_len,
add1, add1_len ) == 0 );
TEST_ASSERT( hmac_drbg_random_with_add( &ctx, my_output, out_len,
add2, add2_len ) == 0 );
hmac_drbg_free( &ctx );
TEST_ASSERT( memcmp( my_output, output, out_len ) == 0 );
/* And now the normal entropy-based variant */
TEST_ASSERT( hmac_drbg_init( &ctx, md_info, entropy_func, &p_entropy, TEST_ASSERT( hmac_drbg_init( &ctx, md_info, entropy_func, &p_entropy,
custom, custom_len ) == 0 ); custom, custom_len ) == 0 );
TEST_ASSERT( hmac_drbg_random_with_add( &ctx, my_output, out_len, TEST_ASSERT( hmac_drbg_random_with_add( &ctx, my_output, out_len,
@ -183,6 +199,7 @@ void hmac_drbg_no_reseed( int md_alg,
hmac_drbg_free( &ctx ); hmac_drbg_free( &ctx );
TEST_ASSERT( memcmp( my_output, output, out_len ) == 0 ); TEST_ASSERT( memcmp( my_output, output, out_len ) == 0 );
} }
/* END_CASE */ /* END_CASE */