mbed TLS Build
Diff: tests/suites/test_suite_ecdh.function
- Revision:
- 0:cdf462088d13
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/suites/test_suite_ecdh.function Thu Jan 05 00:18:44 2017 +0000 @@ -0,0 +1,160 @@ +/* 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 */