mbed TLS Build
tests/suites/test_suite_ecdh.function
- Committer:
- markrad
- Date:
- 2017-01-05
- Revision:
- 0:cdf462088d13
File content as of revision 0:cdf462088d13:
/* BEGIN_HEADER */ #include "mbedtls/ecdh.h" /* END_HEADER */ /* BEGIN_DEPENDENCIES * depends_on:MBEDTLS_ECDH_C * END_DEPENDENCIES */ /* BEGIN_CASE */ void ecdh_primitive_random( int id ) { mbedtls_ecp_group grp; mbedtls_ecp_point qA, qB; mbedtls_mpi dA, dB, zA, zB; rnd_pseudo_info rnd_info; mbedtls_ecp_group_init( &grp ); mbedtls_ecp_point_init( &qA ); mbedtls_ecp_point_init( &qB ); mbedtls_mpi_init( &dA ); mbedtls_mpi_init( &dB ); mbedtls_mpi_init( &zA ); mbedtls_mpi_init( &zB ); memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) ); TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 ); TEST_ASSERT( mbedtls_ecdh_gen_public( &grp, &dA, &qA, &rnd_pseudo_rand, &rnd_info ) == 0 ); TEST_ASSERT( mbedtls_ecdh_gen_public( &grp, &dB, &qB, &rnd_pseudo_rand, &rnd_info ) == 0 ); TEST_ASSERT( mbedtls_ecdh_compute_shared( &grp, &zA, &qB, &dA, &rnd_pseudo_rand, &rnd_info ) == 0 ); TEST_ASSERT( mbedtls_ecdh_compute_shared( &grp, &zB, &qA, &dB, NULL, NULL ) == 0 ); TEST_ASSERT( mbedtls_mpi_cmp_mpi( &zA, &zB ) == 0 ); exit: mbedtls_ecp_group_free( &grp ); mbedtls_ecp_point_free( &qA ); mbedtls_ecp_point_free( &qB ); mbedtls_mpi_free( &dA ); mbedtls_mpi_free( &dB ); mbedtls_mpi_free( &zA ); mbedtls_mpi_free( &zB ); } /* END_CASE */ /* BEGIN_CASE */ void ecdh_primitive_testvec( int id, char *dA_str, char *xA_str, char *yA_str, char *dB_str, char *xB_str, char *yB_str, char *z_str ) { mbedtls_ecp_group grp; mbedtls_ecp_point qA, qB; mbedtls_mpi dA, dB, zA, zB, check; unsigned char rnd_buf_A[MBEDTLS_ECP_MAX_BYTES]; unsigned char rnd_buf_B[MBEDTLS_ECP_MAX_BYTES]; rnd_buf_info rnd_info_A, rnd_info_B; mbedtls_ecp_group_init( &grp ); mbedtls_ecp_point_init( &qA ); mbedtls_ecp_point_init( &qB ); mbedtls_mpi_init( &dA ); mbedtls_mpi_init( &dB ); mbedtls_mpi_init( &zA ); mbedtls_mpi_init( &zB ); mbedtls_mpi_init( &check ); TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 ); rnd_info_A.buf = rnd_buf_A; rnd_info_A.length = unhexify( rnd_buf_A, dA_str ); /* Fix rnd_buf_A 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_A.length - 1; i++ ) rnd_buf_A[i] = rnd_buf_A[i] << shift | rnd_buf_A[i+1] >> ( 8 - shift ); rnd_buf_A[rnd_info_A.length-1] <<= shift; } rnd_info_B.buf = rnd_buf_B; rnd_info_B.length = unhexify( rnd_buf_B, dB_str ); /* Fix rnd_buf_B 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_B.length - 1; i++ ) rnd_buf_B[i] = rnd_buf_B[i] << shift | rnd_buf_B[i+1] >> ( 8 - shift ); rnd_buf_B[rnd_info_B.length-1] <<= shift; } TEST_ASSERT( mbedtls_ecdh_gen_public( &grp, &dA, &qA, rnd_buffer_rand, &rnd_info_A ) == 0 ); TEST_ASSERT( ! mbedtls_ecp_is_zero( &qA ) ); TEST_ASSERT( mbedtls_mpi_read_string( &check, 16, xA_str ) == 0 ); TEST_ASSERT( mbedtls_mpi_cmp_mpi( &qA.X, &check ) == 0 ); TEST_ASSERT( mbedtls_mpi_read_string( &check, 16, yA_str ) == 0 ); TEST_ASSERT( mbedtls_mpi_cmp_mpi( &qA.Y, &check ) == 0 ); TEST_ASSERT( mbedtls_ecdh_gen_public( &grp, &dB, &qB, rnd_buffer_rand, &rnd_info_B ) == 0 ); TEST_ASSERT( ! mbedtls_ecp_is_zero( &qB ) ); TEST_ASSERT( mbedtls_mpi_read_string( &check, 16, xB_str ) == 0 ); TEST_ASSERT( mbedtls_mpi_cmp_mpi( &qB.X, &check ) == 0 ); TEST_ASSERT( mbedtls_mpi_read_string( &check, 16, yB_str ) == 0 ); TEST_ASSERT( mbedtls_mpi_cmp_mpi( &qB.Y, &check ) == 0 ); TEST_ASSERT( mbedtls_mpi_read_string( &check, 16, z_str ) == 0 ); TEST_ASSERT( mbedtls_ecdh_compute_shared( &grp, &zA, &qB, &dA, NULL, NULL ) == 0 ); TEST_ASSERT( mbedtls_mpi_cmp_mpi( &zA, &check ) == 0 ); TEST_ASSERT( mbedtls_ecdh_compute_shared( &grp, &zB, &qA, &dB, NULL, NULL ) == 0 ); TEST_ASSERT( mbedtls_mpi_cmp_mpi( &zB, &check ) == 0 ); exit: mbedtls_ecp_group_free( &grp ); mbedtls_ecp_point_free( &qA ); mbedtls_ecp_point_free( &qB ); mbedtls_mpi_free( &dA ); mbedtls_mpi_free( &dB ); mbedtls_mpi_free( &zA ); mbedtls_mpi_free( &zB ); mbedtls_mpi_free( &check ); } /* END_CASE */ /* BEGIN_CASE */ void ecdh_exchange( int id ) { mbedtls_ecdh_context srv, cli; unsigned char buf[1000]; const unsigned char *vbuf; size_t len; rnd_pseudo_info rnd_info; mbedtls_ecdh_init( &srv ); mbedtls_ecdh_init( &cli ); memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) ); TEST_ASSERT( mbedtls_ecp_group_load( &srv.grp, id ) == 0 ); memset( buf, 0x00, sizeof( buf ) ); vbuf = buf; TEST_ASSERT( mbedtls_ecdh_make_params( &srv, &len, buf, 1000, &rnd_pseudo_rand, &rnd_info ) == 0 ); TEST_ASSERT( mbedtls_ecdh_read_params( &cli, &vbuf, buf + len ) == 0 ); memset( buf, 0x00, sizeof( buf ) ); TEST_ASSERT( mbedtls_ecdh_make_public( &cli, &len, buf, 1000, &rnd_pseudo_rand, &rnd_info ) == 0 ); TEST_ASSERT( mbedtls_ecdh_read_public( &srv, buf, len ) == 0 ); TEST_ASSERT( mbedtls_ecdh_calc_secret( &srv, &len, buf, 1000, &rnd_pseudo_rand, &rnd_info ) == 0 ); TEST_ASSERT( mbedtls_ecdh_calc_secret( &cli, &len, buf, 1000, NULL, NULL ) == 0 ); TEST_ASSERT( mbedtls_mpi_cmp_mpi( &srv.z, &cli.z ) == 0 ); exit: mbedtls_ecdh_free( &srv ); mbedtls_ecdh_free( &cli ); } /* END_CASE */