117 lines
3.8 KiB
Text
117 lines
3.8 KiB
Text
/* BEGIN_HEADER */
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#include <polarssl/ecdh.h>
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/* END_HEADER */
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/* BEGIN_DEPENDENCIES
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* depends_on:POLARSSL_ECDH_C
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* END_DEPENDENCIES
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*/
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/* BEGIN_CASE */
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void ecdh_primitive_random( int id )
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{
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ecp_group grp;
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ecp_point qA, qB;
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mpi dA, dB, zA, zB;
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rnd_pseudo_info rnd_info;
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ecp_group_init( &grp );
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ecp_point_init( &qA ); ecp_point_init( &qB );
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mpi_init( &dA ); mpi_init( &dB );
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mpi_init( &zA ); mpi_init( &zB );
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memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
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TEST_ASSERT( ecp_use_known_dp( &grp, id ) == 0 );
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TEST_ASSERT( ecdh_gen_public( &grp, &dA, &qA, &rnd_pseudo_rand, &rnd_info )
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== 0 );
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TEST_ASSERT( ecdh_gen_public( &grp, &dB, &qB, &rnd_pseudo_rand, &rnd_info )
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== 0 );
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TEST_ASSERT( ecdh_compute_shared( &grp, &zA, &qB, &dA ) == 0 );
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TEST_ASSERT( ecdh_compute_shared( &grp, &zB, &qA, &dB ) == 0 );
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TEST_ASSERT( mpi_cmp_mpi( &zA, &zB ) == 0 );
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ecp_group_free( &grp );
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ecp_point_free( &qA ); ecp_point_free( &qB );
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mpi_free( &dA ); mpi_free( &dB );
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mpi_free( &zA ); mpi_free( &zB );
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}
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/* END_CASE */
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/* BEGIN_CASE */
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void ecdh_primitive_testvec( int id, char *dA_str, char *xA_str, char *yA_str,
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char *dB_str, char *xB_str, char *yB_str,
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char *z_str )
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{
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ecp_group grp;
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ecp_point qA, qB;
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mpi dA, dB, zA, zB, check;
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ecp_group_init( &grp );
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ecp_point_init( &qA ); ecp_point_init( &qB );
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mpi_init( &dA ); mpi_init( &dB );
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mpi_init( &zA ); mpi_init( &zB ); mpi_init( &check );
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TEST_ASSERT( ecp_use_known_dp( &grp, id ) == 0 );
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TEST_ASSERT( ecdh_gen_public( &grp, &dA, &qA, ¬_rnd, dA_str ) == 0 );
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TEST_ASSERT( ! ecp_is_zero( &qA ) );
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TEST_ASSERT( mpi_read_string( &check, 16, xA_str ) == 0 );
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TEST_ASSERT( mpi_cmp_mpi( &qA.X, &check ) == 0 );
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TEST_ASSERT( mpi_read_string( &check, 16, yA_str ) == 0 );
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TEST_ASSERT( mpi_cmp_mpi( &qA.Y, &check ) == 0 );
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TEST_ASSERT( ecdh_gen_public( &grp, &dB, &qB, ¬_rnd, dB_str ) == 0 );
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TEST_ASSERT( ! ecp_is_zero( &qB ) );
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TEST_ASSERT( mpi_read_string( &check, 16, xB_str ) == 0 );
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TEST_ASSERT( mpi_cmp_mpi( &qB.X, &check ) == 0 );
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TEST_ASSERT( mpi_read_string( &check, 16, yB_str ) == 0 );
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TEST_ASSERT( mpi_cmp_mpi( &qB.Y, &check ) == 0 );
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TEST_ASSERT( mpi_read_string( &check, 16, z_str ) == 0 );
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TEST_ASSERT( ecdh_compute_shared( &grp, &zA, &qB, &dA ) == 0 );
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TEST_ASSERT( mpi_cmp_mpi( &zA, &check ) == 0 );
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TEST_ASSERT( ecdh_compute_shared( &grp, &zB, &qA, &dB ) == 0 );
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TEST_ASSERT( mpi_cmp_mpi( &zB, &check ) == 0 );
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ecp_group_free( &grp );
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ecp_point_free( &qA ); ecp_point_free( &qB );
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mpi_free( &dA ); mpi_free( &dB );
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mpi_free( &zA ); mpi_free( &zB ); mpi_free( &check );
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}
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/* END_CASE */
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/* BEGIN_CASE */
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void ecdh_exchange( int id )
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{
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ecdh_context srv, cli;
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unsigned char buf[1000];
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const unsigned char *vbuf;
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size_t len;
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rnd_pseudo_info rnd_info;
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ecdh_init( &srv );
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ecdh_init( &cli );
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memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
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TEST_ASSERT( ecp_use_known_dp( &srv.grp, id ) == 0 );
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memset( buf, 0x00, sizeof( buf ) ); vbuf = buf;
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TEST_ASSERT( ecdh_make_params( &srv, &len, buf, 1000,
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&rnd_pseudo_rand, &rnd_info ) == 0 );
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TEST_ASSERT( ecdh_read_params( &cli, &vbuf, buf + len ) == 0 );
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memset( buf, 0x00, sizeof( buf ) );
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TEST_ASSERT( ecdh_make_public( &cli, &len, buf, 1000,
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&rnd_pseudo_rand, &rnd_info ) == 0 );
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TEST_ASSERT( ecdh_read_public( &srv, buf, len ) == 0 );
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TEST_ASSERT( ecdh_calc_secret( &srv, &len, buf, 1000 ) == 0 );
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TEST_ASSERT( ecdh_calc_secret( &cli, &len, buf, 1000 ) == 0 );
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TEST_ASSERT( mpi_cmp_mpi( &srv.z, &cli.z ) == 0 );
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ecdh_free( &srv );
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ecdh_free( &cli );
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}
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/* END_CASE */
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