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Add ecdsa_write_signature_det()

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This commit is contained in:
Manuel Pégourié-Gonnard 2014-01-06 10:27:16 +01:00
parent f42bca6da0
commit 937340bce0
4 changed files with 126 additions and 12 deletions
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32
tests/suites/test_suite_ecdsa.function
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@ -186,3 +186,35 @@ void ecdsa_write_read_random( int id )
ecdsa_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void ecdsa_write_read_det_random( int id, int md_alg )
{
ecdsa_context ctx;
rnd_pseudo_info rnd_info;
unsigned char msg[100];
unsigned char hash[POLARSSL_MD_MAX_SIZE];
unsigned char sig[200];
size_t sig_len;
ecdsa_init( &ctx );
memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
memset( hash, 0, sizeof( hash ) );
memset( sig, 0x2a, sizeof( sig ) );
/* prepare material for signature */
TEST_ASSERT( rnd_pseudo_rand( &rnd_info, msg, sizeof( msg ) ) == 0 );
md( md_info_from_type( md_alg ), msg, sizeof( msg ), hash );
/* generate signing key */
TEST_ASSERT( ecdsa_genkey( &ctx, id, &rnd_pseudo_rand, &rnd_info ) == 0 );
/* generate and write signature, then read and verify it */
TEST_ASSERT( ecdsa_write_signature_det( &ctx, hash, sizeof( hash ),
sig, &sig_len, md_alg ) == 0 );
TEST_ASSERT( ecdsa_read_signature( &ctx, hash, sizeof( hash ),
sig, sig_len ) == 0 );
ecdsa_free( &ctx );
}
/* END_CASE */