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Add ecdsa_sign_det() with test vectors

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This commit is contained in:
Manuel Pégourié-Gonnard
2014-01-06 14:25:56 +01:00
parent 461d416892
commit 4daaef7e27
4 changed files with 305 additions and 14 deletions
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35
tests/suites/test_suite_ecdsa.function
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@@ -94,6 +94,41 @@ void ecdsa_prim_test_vectors( int id, char *d_str, char *xQ_str, char *yQ_str,
}
/* END_CASE */
/* BEGIN_CASE depends_on:POLARSSL_ECDSA_DETERMINISTIC */
void ecdsa_det_test_vectors( int id, char *d_str, int md_alg,
char *msg, char *r_str, char *s_str )
{
ecp_group grp;
mpi d, r, s, r_check, s_check;
unsigned char hash[POLARSSL_MD_MAX_SIZE];
size_t hlen;
const md_info_t *md_info;
ecp_group_init( &grp );
mpi_init( &d ); mpi_init( &r ); mpi_init( &s );
mpi_init( &r_check ); mpi_init( &s_check );
memset( hash, 0, sizeof( hash ) );
TEST_ASSERT( ecp_use_known_dp( &grp, id ) == 0 );
TEST_ASSERT( mpi_read_string( &d, 16, d_str ) == 0 );
TEST_ASSERT( mpi_read_string( &r_check, 16, r_str ) == 0 );
TEST_ASSERT( mpi_read_string( &s_check, 16, s_str ) == 0 );
TEST_ASSERT( ( md_info = md_info_from_type( md_alg ) ) != NULL );
hlen = md_info->size;
md( md_info, (const unsigned char *) msg, strlen( msg ), hash );
TEST_ASSERT( ecdsa_sign_det( &grp, &r, &s, &d, hash, hlen, md_alg ) == 0 );
TEST_ASSERT( mpi_cmp_mpi( &r, &r_check ) == 0 );
TEST_ASSERT( mpi_cmp_mpi( &s, &s_check ) == 0 );
ecp_group_free( &grp );
mpi_free( &d ); mpi_free( &r ); mpi_free( &s );
mpi_free( &r_check ); mpi_free( &s_check );
}
/* END_CASE */
/* BEGIN_CASE */
void ecdsa_write_read_random( int id )
{