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Paul Bakker33b43f12013-08-20 11:48:36 +02001/* BEGIN_HEADER */
Manuel Pégourié-Gonnard61ce13b2013-01-26 16:20:32 +01002#include <polarssl/ecdh.h>
Paul Bakker33b43f12013-08-20 11:48:36 +02003/* END_HEADER */
Manuel Pégourié-Gonnard61ce13b2013-01-26 16:20:32 +01004
Paul Bakker33b43f12013-08-20 11:48:36 +02005/* BEGIN_DEPENDENCIES
Manuel Pégourié-Gonnarda0f07472013-08-23 16:35:32 +02006 * depends_on:POLARSSL_ECDH_C
Paul Bakker33b43f12013-08-20 11:48:36 +02007 * END_DEPENDENCIES
8 */
Manuel Pégourié-Gonnard61ce13b2013-01-26 16:20:32 +01009
Paul Bakker33b43f12013-08-20 11:48:36 +020010/* BEGIN_CASE */
11void ecdh_primitive_random( int id )
Manuel Pégourié-Gonnard61ce13b2013-01-26 16:20:32 +010012{
13 ecp_group grp;
14 ecp_point qA, qB;
15 mpi dA, dB, zA, zB;
16 rnd_pseudo_info rnd_info;
17
18 ecp_group_init( &grp );
19 ecp_point_init( &qA ); ecp_point_init( &qB );
20 mpi_init( &dA ); mpi_init( &dB );
21 mpi_init( &zA ); mpi_init( &zB );
22 memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
23
Paul Bakker33b43f12013-08-20 11:48:36 +020024 TEST_ASSERT( ecp_use_known_dp( &grp, id ) == 0 );
Manuel Pégourié-Gonnard61ce13b2013-01-26 16:20:32 +010025
26 TEST_ASSERT( ecdh_gen_public( &grp, &dA, &qA, &rnd_pseudo_rand, &rnd_info )
27 == 0 );
28 TEST_ASSERT( ecdh_gen_public( &grp, &dB, &qB, &rnd_pseudo_rand, &rnd_info )
29 == 0 );
Manuel Pégourié-Gonnarde09d2f82013-09-02 14:29:09 +020030 TEST_ASSERT( ecdh_compute_shared( &grp, &zA, &qB, &dA,
31 &rnd_pseudo_rand, &rnd_info ) == 0 );
32 TEST_ASSERT( ecdh_compute_shared( &grp, &zB, &qA, &dB,
33 NULL, NULL ) == 0 );
Manuel Pégourié-Gonnard61ce13b2013-01-26 16:20:32 +010034
35 TEST_ASSERT( mpi_cmp_mpi( &zA, &zB ) == 0 );
36
37 ecp_group_free( &grp );
38 ecp_point_free( &qA ); ecp_point_free( &qB );
39 mpi_free( &dA ); mpi_free( &dB );
40 mpi_free( &zA ); mpi_free( &zB );
41}
Paul Bakker33b43f12013-08-20 11:48:36 +020042/* END_CASE */
Manuel Pégourié-Gonnard007b7172013-01-27 08:56:21 +010043
Paul Bakker33b43f12013-08-20 11:48:36 +020044/* BEGIN_CASE */
45void ecdh_primitive_testvec( int id, char *dA_str, char *xA_str, char *yA_str,
46 char *dB_str, char *xB_str, char *yB_str,
47 char *z_str )
Manuel Pégourié-Gonnard007b7172013-01-27 08:56:21 +010048{
49 ecp_group grp;
50 ecp_point qA, qB;
51 mpi dA, dB, zA, zB, check;
52
53 ecp_group_init( &grp );
54 ecp_point_init( &qA ); ecp_point_init( &qB );
55 mpi_init( &dA ); mpi_init( &dB );
56 mpi_init( &zA ); mpi_init( &zB ); mpi_init( &check );
57
Paul Bakker33b43f12013-08-20 11:48:36 +020058 TEST_ASSERT( ecp_use_known_dp( &grp, id ) == 0 );
Manuel Pégourié-Gonnard007b7172013-01-27 08:56:21 +010059
Paul Bakker33b43f12013-08-20 11:48:36 +020060 TEST_ASSERT( ecdh_gen_public( &grp, &dA, &qA, &not_rnd, dA_str ) == 0 );
Manuel Pégourié-Gonnard007b7172013-01-27 08:56:21 +010061 TEST_ASSERT( ! ecp_is_zero( &qA ) );
Paul Bakker33b43f12013-08-20 11:48:36 +020062 TEST_ASSERT( mpi_read_string( &check, 16, xA_str ) == 0 );
Manuel Pégourié-Gonnard007b7172013-01-27 08:56:21 +010063 TEST_ASSERT( mpi_cmp_mpi( &qA.X, &check ) == 0 );
Paul Bakker33b43f12013-08-20 11:48:36 +020064 TEST_ASSERT( mpi_read_string( &check, 16, yA_str ) == 0 );
Manuel Pégourié-Gonnard007b7172013-01-27 08:56:21 +010065 TEST_ASSERT( mpi_cmp_mpi( &qA.Y, &check ) == 0 );
66
Paul Bakker33b43f12013-08-20 11:48:36 +020067 TEST_ASSERT( ecdh_gen_public( &grp, &dB, &qB, &not_rnd, dB_str ) == 0 );
Manuel Pégourié-Gonnard007b7172013-01-27 08:56:21 +010068 TEST_ASSERT( ! ecp_is_zero( &qB ) );
Paul Bakker33b43f12013-08-20 11:48:36 +020069 TEST_ASSERT( mpi_read_string( &check, 16, xB_str ) == 0 );
Manuel Pégourié-Gonnard007b7172013-01-27 08:56:21 +010070 TEST_ASSERT( mpi_cmp_mpi( &qB.X, &check ) == 0 );
Paul Bakker33b43f12013-08-20 11:48:36 +020071 TEST_ASSERT( mpi_read_string( &check, 16, yB_str ) == 0 );
Manuel Pégourié-Gonnard007b7172013-01-27 08:56:21 +010072 TEST_ASSERT( mpi_cmp_mpi( &qB.Y, &check ) == 0 );
73
Paul Bakker33b43f12013-08-20 11:48:36 +020074 TEST_ASSERT( mpi_read_string( &check, 16, z_str ) == 0 );
Manuel Pégourié-Gonnarde09d2f82013-09-02 14:29:09 +020075 TEST_ASSERT( ecdh_compute_shared( &grp, &zA, &qB, &dA, NULL, NULL ) == 0 );
Manuel Pégourié-Gonnard007b7172013-01-27 08:56:21 +010076 TEST_ASSERT( mpi_cmp_mpi( &zA, &check ) == 0 );
Manuel Pégourié-Gonnarde09d2f82013-09-02 14:29:09 +020077 TEST_ASSERT( ecdh_compute_shared( &grp, &zB, &qA, &dB, NULL, NULL ) == 0 );
Manuel Pégourié-Gonnard007b7172013-01-27 08:56:21 +010078 TEST_ASSERT( mpi_cmp_mpi( &zB, &check ) == 0 );
79
80 ecp_group_free( &grp );
81 ecp_point_free( &qA ); ecp_point_free( &qB );
82 mpi_free( &dA ); mpi_free( &dB );
83 mpi_free( &zA ); mpi_free( &zB ); mpi_free( &check );
84}
Paul Bakker33b43f12013-08-20 11:48:36 +020085/* END_CASE */
Manuel Pégourié-Gonnard854fbd72013-02-11 20:28:55 +010086
Paul Bakker33b43f12013-08-20 11:48:36 +020087/* BEGIN_CASE */
88void ecdh_exchange( int id )
Manuel Pégourié-Gonnard854fbd72013-02-11 20:28:55 +010089{
90 ecdh_context srv, cli;
91 unsigned char buf[1000];
92 const unsigned char *vbuf;
93 size_t len;
94 rnd_pseudo_info rnd_info;
95
96 ecdh_init( &srv );
97 ecdh_init( &cli );
98 memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
99
Paul Bakker33b43f12013-08-20 11:48:36 +0200100 TEST_ASSERT( ecp_use_known_dp( &srv.grp, id ) == 0 );
Manuel Pégourié-Gonnard854fbd72013-02-11 20:28:55 +0100101
102 memset( buf, 0x00, sizeof( buf ) ); vbuf = buf;
103 TEST_ASSERT( ecdh_make_params( &srv, &len, buf, 1000,
104 &rnd_pseudo_rand, &rnd_info ) == 0 );
105 TEST_ASSERT( ecdh_read_params( &cli, &vbuf, buf + len ) == 0 );
106
Manuel Pégourié-Gonnard424fda52013-02-11 22:05:42 +0100107 memset( buf, 0x00, sizeof( buf ) );
Manuel Pégourié-Gonnard5cceb412013-02-11 21:51:45 +0100108 TEST_ASSERT( ecdh_make_public( &cli, &len, buf, 1000,
109 &rnd_pseudo_rand, &rnd_info ) == 0 );
110 TEST_ASSERT( ecdh_read_public( &srv, buf, len ) == 0 );
111
Manuel Pégourié-Gonnarde09d2f82013-09-02 14:29:09 +0200112 TEST_ASSERT( ecdh_calc_secret( &srv, &len, buf, 1000,
113 &rnd_pseudo_rand, &rnd_info ) == 0 );
114 TEST_ASSERT( ecdh_calc_secret( &cli, &len, buf, 1000, NULL, NULL ) == 0 );
Manuel Pégourié-Gonnard424fda52013-02-11 22:05:42 +0100115 TEST_ASSERT( mpi_cmp_mpi( &srv.z, &cli.z ) == 0 );
116
Manuel Pégourié-Gonnard854fbd72013-02-11 20:28:55 +0100117 ecdh_free( &srv );
118 ecdh_free( &cli );
119}
Paul Bakker33b43f12013-08-20 11:48:36 +0200120/* END_CASE */