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Change ecp_mul to handle Curve25519 too

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Manuel Pégourié-Gonnard 2013-12-04 11:49:20 +01:00
parent 312d2e8ea2
commit a0179b8c4a
3 changed files with 98 additions and 27 deletions
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52
tests/suites/test_suite_ecp.function
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@ -263,6 +263,58 @@ void ecp_test_vect( int id, char *dA_str, char *xA_str, char *yA_str,
}
/* END_CASE */
/* BEGIN_CASE */
void ecp_test_vec_x( int id, char *dA_hex, char *xA_hex,
char *dB_hex, char *xB_hex, char *xS_hex )
{
ecp_group grp;
ecp_point R;
mpi dA, xA, dB, xB, xS;
rnd_pseudo_info rnd_info;
ecp_group_init( &grp ); ecp_point_init( &R );
mpi_init( &dA ); mpi_init( &xA );
mpi_init( &dB ); mpi_init( &xB );
mpi_init( &xS );
memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
TEST_ASSERT( ecp_use_known_dp( &grp, id ) == 0 );
TEST_ASSERT( ecp_check_pubkey( &grp, &grp.G ) == 0 );
TEST_ASSERT( mpi_read_string( &dA, 16, dA_hex ) == 0 );
TEST_ASSERT( mpi_read_string( &dB, 16, dB_hex ) == 0 );
TEST_ASSERT( mpi_read_string( &xA, 16, xA_hex ) == 0 );
TEST_ASSERT( mpi_read_string( &xB, 16, xB_hex ) == 0 );
TEST_ASSERT( mpi_read_string( &xS, 16, xS_hex ) == 0 );
TEST_ASSERT( ecp_mul( &grp, &R, &dA, &grp.G,
&rnd_pseudo_rand, &rnd_info ) == 0 );
TEST_ASSERT( ecp_check_pubkey( &grp, &R ) == 0 );
TEST_ASSERT( mpi_cmp_mpi( &R.X, &xA ) == 0 );
TEST_ASSERT( ecp_mul( &grp, &R, &dB, &R,
&rnd_pseudo_rand, &rnd_info ) == 0 );
TEST_ASSERT( ecp_check_pubkey( &grp, &R ) == 0 );
TEST_ASSERT( mpi_cmp_mpi( &R.X, &xS ) == 0 );
TEST_ASSERT( ecp_mul( &grp, &R, &dB, &grp.G,
&rnd_pseudo_rand, &rnd_info ) == 0 );
TEST_ASSERT( ecp_check_pubkey( &grp, &R ) == 0 );
TEST_ASSERT( mpi_cmp_mpi( &R.X, &xB ) == 0 );
TEST_ASSERT( ecp_mul( &grp, &R, &dA, &R,
&rnd_pseudo_rand, &rnd_info ) == 0 );
TEST_ASSERT( ecp_check_pubkey( &grp, &R ) == 0 );
TEST_ASSERT( mpi_cmp_mpi( &R.X, &xS ) == 0 );
ecp_group_free( &grp ); ecp_point_free( &R );
mpi_free( &dA ); mpi_free( &xA );
mpi_free( &dB ); mpi_free( &xB );
mpi_free( &xS );
}
/* END_CASE */
/* BEGIN_CASE */
void ecp_fast_mod( int id, char *N_str )
{