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Adapt ECDSA tests to new ecp_gen_keypair()

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Manuel Pégourié-Gonnard 2014-01-06 11:00:07 +01:00
parent 79f73b96d9
commit fae079e4c5
1 changed files with 23 additions and 7 deletions
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30
tests/suites/test_suite_ecdsa.function
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@ -47,29 +47,45 @@ void ecdsa_prim_test_vectors( int id, char *d_str, char *xQ_str, char *yQ_str,
ecp_group grp;
ecp_point Q;
mpi d, r, s, r_check, s_check;
unsigned char buf[66];
size_t len;
unsigned char hash[66], rnd_buf[66];
size_t hlen;
rnd_buf_info rnd_info;
ecp_group_init( &grp );
ecp_point_init( &Q );
mpi_init( &d ); mpi_init( &r ); mpi_init( &s );
mpi_init( &r_check ); mpi_init( &s_check );
memset( buf, 0, sizeof( buf ) );
memset( hash, 0, sizeof( hash ) );
memset( rnd_buf, 0, sizeof( rnd_buf ) );
TEST_ASSERT( ecp_use_known_dp( &grp, id ) == 0 );
TEST_ASSERT( ecp_point_read_string( &Q, 16, xQ_str, yQ_str ) == 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 );
len = unhexify(buf, hash_str);
hlen = unhexify(hash, hash_str);
rnd_info.buf = rnd_buf;
rnd_info.length = unhexify( rnd_buf, k_str );
TEST_ASSERT( ecdsa_sign( &grp, &r, &s, &d, buf, len,
&not_rnd_mpi, k_str ) == 0 );
/* Fix rnd_buf by shifting it left if necessary */
if( grp.nbits % 8 != 0 )
{
unsigned char shift = 8 - ( grp.nbits % 8 );
size_t i;
for( i = 0; i < rnd_info.length - 1; i++ )
rnd_buf[i] = rnd_buf[i] << shift | rnd_buf[i+1] >> ( 8 - shift );
rnd_buf[rnd_info.length-1] <<= shift;
}
TEST_ASSERT( ecdsa_sign( &grp, &r, &s, &d, hash, hlen,
rnd_buffer_rand, &rnd_info ) == 0 );
TEST_ASSERT( mpi_cmp_mpi( &r, &r_check ) == 0 );
TEST_ASSERT( mpi_cmp_mpi( &s, &s_check ) == 0 );
TEST_ASSERT( ecdsa_verify( &grp, buf, len, &Q, &r_check, &s_check ) == 0 );
TEST_ASSERT( ecdsa_verify( &grp, hash, hlen, &Q, &r_check, &s_check ) == 0 );
ecp_group_free( &grp );
ecp_point_free( &Q );