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Manuel Pégourié-Gonnard61ce13b2013-01-26 16:20:32 +01001BEGIN_HEADER
2#include <polarssl/ecdh.h>
3END_HEADER
4
5BEGIN_DEPENDENCIES
6depends_on:POLARSSL_ECDH_C:POLARSSL_ECP_C:POLARSSL_BIGNUM_C
7END_DEPENDENCIES
8
9BEGIN_CASE
Manuel Pégourié-Gonnard007b7172013-01-27 08:56:21 +010010ecdh_primitive_random:id
Manuel Pégourié-Gonnard61ce13b2013-01-26 16:20:32 +010011{
12 ecp_group grp;
13 ecp_point qA, qB;
14 mpi dA, dB, zA, zB;
15 rnd_pseudo_info rnd_info;
16
17 ecp_group_init( &grp );
18 ecp_point_init( &qA ); ecp_point_init( &qB );
19 mpi_init( &dA ); mpi_init( &dB );
20 mpi_init( &zA ); mpi_init( &zB );
21 memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
22
23 TEST_ASSERT( ecp_use_known_dp( &grp, POLARSSL_ECP_DP_{id} ) == 0 );
24
25 TEST_ASSERT( ecdh_gen_public( &grp, &dA, &qA, &rnd_pseudo_rand, &rnd_info )
26 == 0 );
27 TEST_ASSERT( ecdh_gen_public( &grp, &dB, &qB, &rnd_pseudo_rand, &rnd_info )
28 == 0 );
29 TEST_ASSERT( ecdh_compute_shared( &grp, &zA, &qB, &dA ) == 0 );
30 TEST_ASSERT( ecdh_compute_shared( &grp, &zB, &qA, &dB ) == 0 );
31
32 TEST_ASSERT( mpi_cmp_mpi( &zA, &zB ) == 0 );
33
34 ecp_group_free( &grp );
35 ecp_point_free( &qA ); ecp_point_free( &qB );
36 mpi_free( &dA ); mpi_free( &dB );
37 mpi_free( &zA ); mpi_free( &zB );
38}
39END_CASE
Manuel Pégourié-Gonnard007b7172013-01-27 08:56:21 +010040
41BEGIN_CASE
42ecdh_primitive_testvec:id:dA:xA:yA:dB:xB:yB:z
43{
44 ecp_group grp;
45 ecp_point qA, qB;
46 mpi dA, dB, zA, zB, check;
47
48 ecp_group_init( &grp );
49 ecp_point_init( &qA ); ecp_point_init( &qB );
50 mpi_init( &dA ); mpi_init( &dB );
51 mpi_init( &zA ); mpi_init( &zB ); mpi_init( &check );
52
53 TEST_ASSERT( ecp_use_known_dp( &grp, POLARSSL_ECP_DP_{id} ) == 0 );
54
55 TEST_ASSERT( ecdh_gen_public( &grp, &dA, &qA, &not_rnd, "{dA}" ) == 0 );
56 TEST_ASSERT( ! ecp_is_zero( &qA ) );
57 TEST_ASSERT( mpi_read_string( &check, 16, "{xA}" ) == 0 );
58 TEST_ASSERT( mpi_cmp_mpi( &qA.X, &check ) == 0 );
59 TEST_ASSERT( mpi_read_string( &check, 16, "{yA}" ) == 0 );
60 TEST_ASSERT( mpi_cmp_mpi( &qA.Y, &check ) == 0 );
61
62 TEST_ASSERT( ecdh_gen_public( &grp, &dB, &qB, &not_rnd, "{dB}" ) == 0 );
63 TEST_ASSERT( ! ecp_is_zero( &qB ) );
64 TEST_ASSERT( mpi_read_string( &check, 16, "{xB}" ) == 0 );
65 TEST_ASSERT( mpi_cmp_mpi( &qB.X, &check ) == 0 );
66 TEST_ASSERT( mpi_read_string( &check, 16, "{yB}" ) == 0 );
67 TEST_ASSERT( mpi_cmp_mpi( &qB.Y, &check ) == 0 );
68
69 TEST_ASSERT( mpi_read_string( &check, 16, "{z}" ) == 0 );
70 TEST_ASSERT( ecdh_compute_shared( &grp, &zA, &qB, &dA ) == 0 );
71 TEST_ASSERT( mpi_cmp_mpi( &zA, &check ) == 0 );
72 TEST_ASSERT( ecdh_compute_shared( &grp, &zB, &qA, &dB ) == 0 );
73 TEST_ASSERT( mpi_cmp_mpi( &zB, &check ) == 0 );
74
75 ecp_group_free( &grp );
76 ecp_point_free( &qA ); ecp_point_free( &qB );
77 mpi_free( &dA ); mpi_free( &dB );
78 mpi_free( &zA ); mpi_free( &zB ); mpi_free( &check );
79}
80END_CASE
Manuel Pégourié-Gonnard854fbd72013-02-11 20:28:55 +010081
82BEGIN_CASE
83ecdh_exchange:id
84{
85 ecdh_context srv, cli;
86 unsigned char buf[1000];
87 const unsigned char *vbuf;
88 size_t len;
89 rnd_pseudo_info rnd_info;
90
91 ecdh_init( &srv );
92 ecdh_init( &cli );
93 memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
94
95 TEST_ASSERT( ecp_use_known_dp( &srv.grp, POLARSSL_ECP_DP_{id} ) == 0 );
96
97 memset( buf, 0x00, sizeof( buf ) ); vbuf = buf;
98 TEST_ASSERT( ecdh_make_params( &srv, &len, buf, 1000,
99 &rnd_pseudo_rand, &rnd_info ) == 0 );
100 TEST_ASSERT( ecdh_read_params( &cli, &vbuf, buf + len ) == 0 );
101
Manuel Pégourié-Gonnard424fda52013-02-11 22:05:42 +0100102 memset( buf, 0x00, sizeof( buf ) );
Manuel Pégourié-Gonnard5cceb412013-02-11 21:51:45 +0100103 TEST_ASSERT( ecdh_make_public( &cli, &len, buf, 1000,
104 &rnd_pseudo_rand, &rnd_info ) == 0 );
105 TEST_ASSERT( ecdh_read_public( &srv, buf, len ) == 0 );
106
Manuel Pégourié-Gonnard424fda52013-02-11 22:05:42 +0100107 TEST_ASSERT( ecdh_calc_secret( &srv, &len, buf, 1000 ) == 0 );
108 TEST_ASSERT( ecdh_calc_secret( &cli, &len, buf, 1000 ) == 0 );
109 TEST_ASSERT( mpi_cmp_mpi( &srv.z, &cli.z ) == 0 );
110
Manuel Pégourié-Gonnard854fbd72013-02-11 20:28:55 +0100111 ecdh_free( &srv );
112 ecdh_free( &cli );
113}
114END_CASE