Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 1 | /* BEGIN_HEADER */ |
Manuel Pégourié-Gonnard | 7f80997 | 2015-03-09 17:05:11 +0000 | [diff] [blame] | 2 | #include "mbedtls/ecdh.h" |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 3 | /* END_HEADER */ |
Manuel Pégourié-Gonnard | 61ce13b | 2013-01-26 16:20:32 +0100 | [diff] [blame] | 4 | |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 5 | /* BEGIN_DEPENDENCIES |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 6 | * depends_on:MBEDTLS_ECDH_C |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 7 | * END_DEPENDENCIES |
| 8 | */ |
Manuel Pégourié-Gonnard | 61ce13b | 2013-01-26 16:20:32 +0100 | [diff] [blame] | 9 | |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 10 | /* BEGIN_CASE */ |
Hanno Becker | 4c81848 | 2018-12-17 18:32:22 +0000 | [diff] [blame] | 11 | void ecdh_valid_param( ) |
| 12 | { |
| 13 | TEST_VALID_PARAM( mbedtls_ecdh_free( NULL ) ); |
| 14 | } |
| 15 | /* END_CASE */ |
| 16 | |
| 17 | /* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */ |
| 18 | void ecdh_invalid_param( ) |
| 19 | { |
| 20 | mbedtls_ecp_group grp; |
| 21 | mbedtls_ecdh_context ctx; |
| 22 | mbedtls_mpi m; |
| 23 | mbedtls_ecp_point P; |
| 24 | mbedtls_ecp_keypair kp; |
| 25 | size_t olen; |
| 26 | unsigned char buf[42] = { 0 }; |
| 27 | const unsigned char *buf_null = NULL; |
| 28 | size_t const buflen = sizeof( buf ); |
| 29 | int invalid_side = 42; |
| 30 | mbedtls_ecp_group_id valid_grp = MBEDTLS_ECP_DP_SECP192R1; |
| 31 | |
| 32 | TEST_INVALID_PARAM( mbedtls_ecdh_init( NULL ) ); |
| 33 | |
| 34 | #if defined(MBEDTLS_ECP_RESTARTABLE) |
| 35 | TEST_INVALID_PARAM( mbedtls_ecdh_enable_restart( NULL ) ); |
| 36 | #endif /* MBEDTLS_ECP_RESTARTABLE */ |
| 37 | |
| 38 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 39 | mbedtls_ecdh_gen_public( NULL, &m, &P, |
| 40 | rnd_std_rand, NULL ) ); |
| 41 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 42 | mbedtls_ecdh_gen_public( &grp, NULL, &P, |
| 43 | rnd_std_rand, NULL ) ); |
| 44 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 45 | mbedtls_ecdh_gen_public( &grp, &m, NULL, |
| 46 | rnd_std_rand, NULL ) ); |
| 47 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 48 | mbedtls_ecdh_gen_public( &grp, &m, &P, |
| 49 | NULL, NULL ) ); |
| 50 | |
| 51 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 52 | mbedtls_ecdh_compute_shared( NULL, &m, &P, &m, |
| 53 | rnd_std_rand, NULL ) ); |
| 54 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 55 | mbedtls_ecdh_compute_shared( &grp, NULL, &P, &m, |
| 56 | rnd_std_rand, NULL ) ); |
| 57 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 58 | mbedtls_ecdh_compute_shared( &grp, &m, NULL, &m, |
| 59 | rnd_std_rand, NULL ) ); |
| 60 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 61 | mbedtls_ecdh_compute_shared( &grp, &m, &P, NULL, |
| 62 | rnd_std_rand, NULL ) ); |
| 63 | |
| 64 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 65 | mbedtls_ecdh_setup( NULL, valid_grp ) ); |
| 66 | |
| 67 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 68 | mbedtls_ecdh_make_params( NULL, &olen, |
| 69 | buf, buflen, |
| 70 | rnd_std_rand, NULL ) ); |
| 71 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 72 | mbedtls_ecdh_make_params( &ctx, NULL, |
| 73 | buf, buflen, |
| 74 | rnd_std_rand, NULL ) ); |
| 75 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 76 | mbedtls_ecdh_make_params( &ctx, &olen, |
| 77 | NULL, buflen, |
| 78 | rnd_std_rand, NULL ) ); |
| 79 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 80 | mbedtls_ecdh_make_params( &ctx, &olen, |
| 81 | buf, buflen, |
| 82 | NULL, NULL ) ); |
| 83 | |
| 84 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 85 | mbedtls_ecdh_read_params( NULL, |
| 86 | (const unsigned char**) &buf, |
| 87 | buf ) ); |
| 88 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 89 | mbedtls_ecdh_read_params( &ctx, &buf_null, |
| 90 | buf ) ); |
| 91 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 92 | mbedtls_ecdh_read_params( &ctx, NULL, buf ) ); |
| 93 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 94 | mbedtls_ecdh_read_params( &ctx, |
| 95 | (const unsigned char**) &buf, |
| 96 | NULL ) ); |
| 97 | |
| 98 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 99 | mbedtls_ecdh_get_params( NULL, &kp, |
| 100 | MBEDTLS_ECDH_OURS ) ); |
| 101 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 102 | mbedtls_ecdh_get_params( &ctx, NULL, |
| 103 | MBEDTLS_ECDH_OURS ) ); |
| 104 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 105 | mbedtls_ecdh_get_params( &ctx, &kp, |
| 106 | invalid_side ) ); |
| 107 | |
| 108 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 109 | mbedtls_ecdh_make_public( NULL, &olen, |
| 110 | buf, buflen, |
| 111 | rnd_std_rand, |
| 112 | NULL ) ); |
| 113 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 114 | mbedtls_ecdh_make_public( &ctx, NULL, |
| 115 | buf, buflen, |
| 116 | rnd_std_rand, |
| 117 | NULL ) ); |
| 118 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 119 | mbedtls_ecdh_make_public( &ctx, &olen, |
| 120 | NULL, buflen, |
| 121 | rnd_std_rand, |
| 122 | NULL ) ); |
| 123 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 124 | mbedtls_ecdh_make_public( &ctx, &olen, |
| 125 | buf, buflen, |
| 126 | NULL, |
| 127 | NULL ) ); |
| 128 | |
| 129 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 130 | mbedtls_ecdh_read_public( NULL, buf, buflen ) ); |
| 131 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 132 | mbedtls_ecdh_read_public( &ctx, NULL, buflen ) ); |
| 133 | |
| 134 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 135 | mbedtls_ecdh_calc_secret( NULL, &olen, buf, buflen, |
| 136 | rnd_std_rand, |
| 137 | NULL ) ); |
| 138 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 139 | mbedtls_ecdh_calc_secret( &ctx, NULL, buf, buflen, |
| 140 | rnd_std_rand, |
| 141 | NULL ) ); |
| 142 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA, |
| 143 | mbedtls_ecdh_calc_secret( &ctx, &olen, NULL, buflen, |
| 144 | rnd_std_rand, |
| 145 | NULL ) ); |
| 146 | |
| 147 | exit: |
| 148 | return; |
| 149 | } |
| 150 | /* END_CASE */ |
| 151 | |
| 152 | /* BEGIN_CASE */ |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 153 | void ecdh_primitive_random( int id ) |
Manuel Pégourié-Gonnard | 61ce13b | 2013-01-26 16:20:32 +0100 | [diff] [blame] | 154 | { |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 155 | mbedtls_ecp_group grp; |
| 156 | mbedtls_ecp_point qA, qB; |
| 157 | mbedtls_mpi dA, dB, zA, zB; |
Manuel Pégourié-Gonnard | 61ce13b | 2013-01-26 16:20:32 +0100 | [diff] [blame] | 158 | rnd_pseudo_info rnd_info; |
| 159 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 160 | mbedtls_ecp_group_init( &grp ); |
| 161 | mbedtls_ecp_point_init( &qA ); mbedtls_ecp_point_init( &qB ); |
| 162 | mbedtls_mpi_init( &dA ); mbedtls_mpi_init( &dB ); |
| 163 | mbedtls_mpi_init( &zA ); mbedtls_mpi_init( &zB ); |
Manuel Pégourié-Gonnard | 61ce13b | 2013-01-26 16:20:32 +0100 | [diff] [blame] | 164 | memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) ); |
| 165 | |
Manuel Pégourié-Gonnard | e3a062b | 2015-05-11 18:46:47 +0200 | [diff] [blame] | 166 | TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 ); |
Manuel Pégourié-Gonnard | 61ce13b | 2013-01-26 16:20:32 +0100 | [diff] [blame] | 167 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 168 | TEST_ASSERT( mbedtls_ecdh_gen_public( &grp, &dA, &qA, &rnd_pseudo_rand, &rnd_info ) |
Manuel Pégourié-Gonnard | 61ce13b | 2013-01-26 16:20:32 +0100 | [diff] [blame] | 169 | == 0 ); |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 170 | TEST_ASSERT( mbedtls_ecdh_gen_public( &grp, &dB, &qB, &rnd_pseudo_rand, &rnd_info ) |
Manuel Pégourié-Gonnard | 61ce13b | 2013-01-26 16:20:32 +0100 | [diff] [blame] | 171 | == 0 ); |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 172 | TEST_ASSERT( mbedtls_ecdh_compute_shared( &grp, &zA, &qB, &dA, |
Manuel Pégourié-Gonnard | e09d2f8 | 2013-09-02 14:29:09 +0200 | [diff] [blame] | 173 | &rnd_pseudo_rand, &rnd_info ) == 0 ); |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 174 | TEST_ASSERT( mbedtls_ecdh_compute_shared( &grp, &zB, &qA, &dB, |
Manuel Pégourié-Gonnard | e09d2f8 | 2013-09-02 14:29:09 +0200 | [diff] [blame] | 175 | NULL, NULL ) == 0 ); |
Manuel Pégourié-Gonnard | 61ce13b | 2013-01-26 16:20:32 +0100 | [diff] [blame] | 176 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 177 | TEST_ASSERT( mbedtls_mpi_cmp_mpi( &zA, &zB ) == 0 ); |
Manuel Pégourié-Gonnard | 61ce13b | 2013-01-26 16:20:32 +0100 | [diff] [blame] | 178 | |
Paul Bakker | bd51b26 | 2014-07-10 15:26:12 +0200 | [diff] [blame] | 179 | exit: |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 180 | mbedtls_ecp_group_free( &grp ); |
| 181 | mbedtls_ecp_point_free( &qA ); mbedtls_ecp_point_free( &qB ); |
| 182 | mbedtls_mpi_free( &dA ); mbedtls_mpi_free( &dB ); |
| 183 | mbedtls_mpi_free( &zA ); mbedtls_mpi_free( &zB ); |
Manuel Pégourié-Gonnard | 61ce13b | 2013-01-26 16:20:32 +0100 | [diff] [blame] | 184 | } |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 185 | /* END_CASE */ |
Manuel Pégourié-Gonnard | 007b717 | 2013-01-27 08:56:21 +0100 | [diff] [blame] | 186 | |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 187 | /* BEGIN_CASE */ |
Azim Khan | 5fcca46 | 2018-06-29 11:05:32 +0100 | [diff] [blame] | 188 | void ecdh_primitive_testvec( int id, data_t * rnd_buf_A, char * xA_str, |
| 189 | char * yA_str, data_t * rnd_buf_B, |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 190 | char * xB_str, char * yB_str, char * z_str ) |
Manuel Pégourié-Gonnard | 007b717 | 2013-01-27 08:56:21 +0100 | [diff] [blame] | 191 | { |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 192 | mbedtls_ecp_group grp; |
| 193 | mbedtls_ecp_point qA, qB; |
| 194 | mbedtls_mpi dA, dB, zA, zB, check; |
Manuel Pégourié-Gonnard | 544416a | 2014-01-23 16:55:18 +0100 | [diff] [blame] | 195 | rnd_buf_info rnd_info_A, rnd_info_B; |
Manuel Pégourié-Gonnard | 007b717 | 2013-01-27 08:56:21 +0100 | [diff] [blame] | 196 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 197 | mbedtls_ecp_group_init( &grp ); |
| 198 | mbedtls_ecp_point_init( &qA ); mbedtls_ecp_point_init( &qB ); |
| 199 | mbedtls_mpi_init( &dA ); mbedtls_mpi_init( &dB ); |
| 200 | mbedtls_mpi_init( &zA ); mbedtls_mpi_init( &zB ); mbedtls_mpi_init( &check ); |
Manuel Pégourié-Gonnard | 007b717 | 2013-01-27 08:56:21 +0100 | [diff] [blame] | 201 | |
Manuel Pégourié-Gonnard | e3a062b | 2015-05-11 18:46:47 +0200 | [diff] [blame] | 202 | TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 ); |
Manuel Pégourié-Gonnard | 007b717 | 2013-01-27 08:56:21 +0100 | [diff] [blame] | 203 | |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 204 | rnd_info_A.buf = rnd_buf_A->x; |
| 205 | rnd_info_A.length = rnd_buf_A->len; |
Manuel Pégourié-Gonnard | 544416a | 2014-01-23 16:55:18 +0100 | [diff] [blame] | 206 | |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 207 | /* Fix rnd_buf_A->x by shifting it left if necessary */ |
Manuel Pégourié-Gonnard | 544416a | 2014-01-23 16:55:18 +0100 | [diff] [blame] | 208 | if( grp.nbits % 8 != 0 ) |
| 209 | { |
| 210 | unsigned char shift = 8 - ( grp.nbits % 8 ); |
| 211 | size_t i; |
| 212 | |
| 213 | for( i = 0; i < rnd_info_A.length - 1; i++ ) |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 214 | rnd_buf_A->x[i] = rnd_buf_A->x[i] << shift |
| 215 | | rnd_buf_A->x[i+1] >> ( 8 - shift ); |
Manuel Pégourié-Gonnard | 544416a | 2014-01-23 16:55:18 +0100 | [diff] [blame] | 216 | |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 217 | rnd_buf_A->x[rnd_info_A.length-1] <<= shift; |
Manuel Pégourié-Gonnard | 544416a | 2014-01-23 16:55:18 +0100 | [diff] [blame] | 218 | } |
| 219 | |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 220 | rnd_info_B.buf = rnd_buf_B->x; |
| 221 | rnd_info_B.length = rnd_buf_B->len; |
Manuel Pégourié-Gonnard | 544416a | 2014-01-23 16:55:18 +0100 | [diff] [blame] | 222 | |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 223 | /* Fix rnd_buf_B->x by shifting it left if necessary */ |
Manuel Pégourié-Gonnard | 544416a | 2014-01-23 16:55:18 +0100 | [diff] [blame] | 224 | if( grp.nbits % 8 != 0 ) |
| 225 | { |
| 226 | unsigned char shift = 8 - ( grp.nbits % 8 ); |
| 227 | size_t i; |
| 228 | |
| 229 | for( i = 0; i < rnd_info_B.length - 1; i++ ) |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 230 | rnd_buf_B->x[i] = rnd_buf_B->x[i] << shift |
| 231 | | rnd_buf_B->x[i+1] >> ( 8 - shift ); |
Manuel Pégourié-Gonnard | 544416a | 2014-01-23 16:55:18 +0100 | [diff] [blame] | 232 | |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 233 | rnd_buf_B->x[rnd_info_B.length-1] <<= shift; |
Manuel Pégourié-Gonnard | 544416a | 2014-01-23 16:55:18 +0100 | [diff] [blame] | 234 | } |
| 235 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 236 | TEST_ASSERT( mbedtls_ecdh_gen_public( &grp, &dA, &qA, |
Manuel Pégourié-Gonnard | 544416a | 2014-01-23 16:55:18 +0100 | [diff] [blame] | 237 | rnd_buffer_rand, &rnd_info_A ) == 0 ); |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 238 | TEST_ASSERT( ! mbedtls_ecp_is_zero( &qA ) ); |
| 239 | TEST_ASSERT( mbedtls_mpi_read_string( &check, 16, xA_str ) == 0 ); |
| 240 | TEST_ASSERT( mbedtls_mpi_cmp_mpi( &qA.X, &check ) == 0 ); |
| 241 | TEST_ASSERT( mbedtls_mpi_read_string( &check, 16, yA_str ) == 0 ); |
| 242 | TEST_ASSERT( mbedtls_mpi_cmp_mpi( &qA.Y, &check ) == 0 ); |
Manuel Pégourié-Gonnard | 007b717 | 2013-01-27 08:56:21 +0100 | [diff] [blame] | 243 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 244 | TEST_ASSERT( mbedtls_ecdh_gen_public( &grp, &dB, &qB, |
Manuel Pégourié-Gonnard | 544416a | 2014-01-23 16:55:18 +0100 | [diff] [blame] | 245 | rnd_buffer_rand, &rnd_info_B ) == 0 ); |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 246 | TEST_ASSERT( ! mbedtls_ecp_is_zero( &qB ) ); |
| 247 | TEST_ASSERT( mbedtls_mpi_read_string( &check, 16, xB_str ) == 0 ); |
| 248 | TEST_ASSERT( mbedtls_mpi_cmp_mpi( &qB.X, &check ) == 0 ); |
| 249 | TEST_ASSERT( mbedtls_mpi_read_string( &check, 16, yB_str ) == 0 ); |
| 250 | TEST_ASSERT( mbedtls_mpi_cmp_mpi( &qB.Y, &check ) == 0 ); |
Manuel Pégourié-Gonnard | 007b717 | 2013-01-27 08:56:21 +0100 | [diff] [blame] | 251 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 252 | TEST_ASSERT( mbedtls_mpi_read_string( &check, 16, z_str ) == 0 ); |
| 253 | TEST_ASSERT( mbedtls_ecdh_compute_shared( &grp, &zA, &qB, &dA, NULL, NULL ) == 0 ); |
| 254 | TEST_ASSERT( mbedtls_mpi_cmp_mpi( &zA, &check ) == 0 ); |
| 255 | TEST_ASSERT( mbedtls_ecdh_compute_shared( &grp, &zB, &qA, &dB, NULL, NULL ) == 0 ); |
| 256 | TEST_ASSERT( mbedtls_mpi_cmp_mpi( &zB, &check ) == 0 ); |
Manuel Pégourié-Gonnard | 007b717 | 2013-01-27 08:56:21 +0100 | [diff] [blame] | 257 | |
Paul Bakker | bd51b26 | 2014-07-10 15:26:12 +0200 | [diff] [blame] | 258 | exit: |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 259 | mbedtls_ecp_group_free( &grp ); |
| 260 | mbedtls_ecp_point_free( &qA ); mbedtls_ecp_point_free( &qB ); |
| 261 | mbedtls_mpi_free( &dA ); mbedtls_mpi_free( &dB ); |
| 262 | mbedtls_mpi_free( &zA ); mbedtls_mpi_free( &zB ); mbedtls_mpi_free( &check ); |
Manuel Pégourié-Gonnard | 007b717 | 2013-01-27 08:56:21 +0100 | [diff] [blame] | 263 | } |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 264 | /* END_CASE */ |
Manuel Pégourié-Gonnard | 854fbd7 | 2013-02-11 20:28:55 +0100 | [diff] [blame] | 265 | |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 266 | /* BEGIN_CASE */ |
| 267 | void ecdh_exchange( int id ) |
Manuel Pégourié-Gonnard | 854fbd7 | 2013-02-11 20:28:55 +0100 | [diff] [blame] | 268 | { |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 269 | mbedtls_ecdh_context srv, cli; |
Manuel Pégourié-Gonnard | 854fbd7 | 2013-02-11 20:28:55 +0100 | [diff] [blame] | 270 | unsigned char buf[1000]; |
| 271 | const unsigned char *vbuf; |
| 272 | size_t len; |
| 273 | rnd_pseudo_info rnd_info; |
Janos Follath | 36c5f7f | 2018-10-30 14:08:52 +0000 | [diff] [blame] | 274 | unsigned char res_buf[1000]; |
| 275 | size_t res_len; |
Manuel Pégourié-Gonnard | 854fbd7 | 2013-02-11 20:28:55 +0100 | [diff] [blame] | 276 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 277 | mbedtls_ecdh_init( &srv ); |
| 278 | mbedtls_ecdh_init( &cli ); |
Manuel Pégourié-Gonnard | 854fbd7 | 2013-02-11 20:28:55 +0100 | [diff] [blame] | 279 | memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) ); |
| 280 | |
Janos Follath | fc03e8d | 2018-10-04 17:17:54 +0100 | [diff] [blame] | 281 | TEST_ASSERT( mbedtls_ecdh_setup( &srv, id ) == 0 ); |
Manuel Pégourié-Gonnard | 854fbd7 | 2013-02-11 20:28:55 +0100 | [diff] [blame] | 282 | |
| 283 | memset( buf, 0x00, sizeof( buf ) ); vbuf = buf; |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 284 | TEST_ASSERT( mbedtls_ecdh_make_params( &srv, &len, buf, 1000, |
Janos Follath | fc03e8d | 2018-10-04 17:17:54 +0100 | [diff] [blame] | 285 | &rnd_pseudo_rand, &rnd_info ) == 0 ); |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 286 | TEST_ASSERT( mbedtls_ecdh_read_params( &cli, &vbuf, buf + len ) == 0 ); |
Manuel Pégourié-Gonnard | 854fbd7 | 2013-02-11 20:28:55 +0100 | [diff] [blame] | 287 | |
Manuel Pégourié-Gonnard | 424fda5 | 2013-02-11 22:05:42 +0100 | [diff] [blame] | 288 | memset( buf, 0x00, sizeof( buf ) ); |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 289 | TEST_ASSERT( mbedtls_ecdh_make_public( &cli, &len, buf, 1000, |
Janos Follath | fc03e8d | 2018-10-04 17:17:54 +0100 | [diff] [blame] | 290 | &rnd_pseudo_rand, &rnd_info ) == 0 ); |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 291 | TEST_ASSERT( mbedtls_ecdh_read_public( &srv, buf, len ) == 0 ); |
Manuel Pégourié-Gonnard | 5cceb41 | 2013-02-11 21:51:45 +0100 | [diff] [blame] | 292 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 293 | TEST_ASSERT( mbedtls_ecdh_calc_secret( &srv, &len, buf, 1000, |
Janos Follath | 36c5f7f | 2018-10-30 14:08:52 +0000 | [diff] [blame] | 294 | &rnd_pseudo_rand, &rnd_info ) == 0 ); |
| 295 | TEST_ASSERT( mbedtls_ecdh_calc_secret( &cli, &res_len, res_buf, 1000, |
| 296 | NULL, NULL ) == 0 ); |
| 297 | TEST_ASSERT( len == res_len ); |
| 298 | TEST_ASSERT( memcmp( buf, res_buf, len ) == 0 ); |
Manuel Pégourié-Gonnard | 424fda5 | 2013-02-11 22:05:42 +0100 | [diff] [blame] | 299 | |
Paul Bakker | bd51b26 | 2014-07-10 15:26:12 +0200 | [diff] [blame] | 300 | exit: |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 301 | mbedtls_ecdh_free( &srv ); |
| 302 | mbedtls_ecdh_free( &cli ); |
Manuel Pégourié-Gonnard | 854fbd7 | 2013-02-11 20:28:55 +0100 | [diff] [blame] | 303 | } |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 304 | /* END_CASE */ |
Manuel Pégourié-Gonnard | 71b2c53 | 2017-04-27 10:38:52 +0200 | [diff] [blame] | 305 | |
| 306 | /* BEGIN_CASE depends_on:MBEDTLS_ECP_RESTARTABLE */ |
| 307 | void ecdh_restart( int id, char *dA_str, char *dB_str, char *z_str, |
Manuel Pégourié-Gonnard | 23e4162 | 2017-05-18 12:35:37 +0200 | [diff] [blame] | 308 | int enable, int max_ops, int min_restart, int max_restart ) |
Manuel Pégourié-Gonnard | 71b2c53 | 2017-04-27 10:38:52 +0200 | [diff] [blame] | 309 | { |
| 310 | int ret; |
| 311 | mbedtls_ecdh_context srv, cli; |
| 312 | unsigned char buf[1000]; |
| 313 | const unsigned char *vbuf; |
| 314 | size_t len; |
| 315 | unsigned char z[MBEDTLS_ECP_MAX_BYTES]; |
| 316 | size_t z_len; |
| 317 | unsigned char rnd_buf_A[MBEDTLS_ECP_MAX_BYTES]; |
| 318 | unsigned char rnd_buf_B[MBEDTLS_ECP_MAX_BYTES]; |
| 319 | rnd_buf_info rnd_info_A, rnd_info_B; |
| 320 | int cnt_restart; |
Janos Follath | 36c5f7f | 2018-10-30 14:08:52 +0000 | [diff] [blame] | 321 | mbedtls_ecp_group grp; |
Manuel Pégourié-Gonnard | 71b2c53 | 2017-04-27 10:38:52 +0200 | [diff] [blame] | 322 | |
Janos Follath | 36c5f7f | 2018-10-30 14:08:52 +0000 | [diff] [blame] | 323 | mbedtls_ecp_group_init( &grp ); |
Manuel Pégourié-Gonnard | 71b2c53 | 2017-04-27 10:38:52 +0200 | [diff] [blame] | 324 | mbedtls_ecdh_init( &srv ); |
| 325 | mbedtls_ecdh_init( &cli ); |
| 326 | |
| 327 | z_len = unhexify( z, z_str ); |
| 328 | |
| 329 | rnd_info_A.buf = rnd_buf_A; |
| 330 | rnd_info_A.length = unhexify( rnd_buf_A, dA_str ); |
| 331 | |
| 332 | rnd_info_B.buf = rnd_buf_B; |
| 333 | rnd_info_B.length = unhexify( rnd_buf_B, dB_str ); |
| 334 | |
Janos Follath | 36c5f7f | 2018-10-30 14:08:52 +0000 | [diff] [blame] | 335 | /* The ECDH context is not guaranteed ot have an mbedtls_ecp_group structure |
| 336 | * in every configuration, therefore we load it separately. */ |
| 337 | TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 ); |
Manuel Pégourié-Gonnard | 71b2c53 | 2017-04-27 10:38:52 +0200 | [diff] [blame] | 338 | |
Janos Follath | 36c5f7f | 2018-10-30 14:08:52 +0000 | [diff] [blame] | 339 | /* Otherwise we would have to fix the random buffer, |
| 340 | * as in ecdh_primitive_testvec. */ |
| 341 | TEST_ASSERT( grp.nbits % 8 == 0 ); |
| 342 | |
| 343 | TEST_ASSERT( mbedtls_ecdh_setup( &srv, id ) == 0 ); |
Manuel Pégourié-Gonnard | 71b2c53 | 2017-04-27 10:38:52 +0200 | [diff] [blame] | 344 | |
Manuel Pégourié-Gonnard | 23e4162 | 2017-05-18 12:35:37 +0200 | [diff] [blame] | 345 | /* set up restart parameters */ |
Manuel Pégourié-Gonnard | 71b2c53 | 2017-04-27 10:38:52 +0200 | [diff] [blame] | 346 | mbedtls_ecp_set_max_ops( max_ops ); |
| 347 | |
Janos Follath | 36c5f7f | 2018-10-30 14:08:52 +0000 | [diff] [blame] | 348 | if( enable ) |
Manuel Pégourié-Gonnard | 23e4162 | 2017-05-18 12:35:37 +0200 | [diff] [blame] | 349 | { |
| 350 | mbedtls_ecdh_enable_restart( &srv ); |
| 351 | mbedtls_ecdh_enable_restart( &cli ); |
| 352 | } |
| 353 | |
Manuel Pégourié-Gonnard | 71b2c53 | 2017-04-27 10:38:52 +0200 | [diff] [blame] | 354 | /* server writes its paramaters */ |
| 355 | memset( buf, 0x00, sizeof( buf ) ); |
| 356 | len = 0; |
| 357 | |
| 358 | cnt_restart = 0; |
| 359 | do { |
| 360 | ret = mbedtls_ecdh_make_params( &srv, &len, buf, sizeof( buf ), |
| 361 | rnd_buffer_rand, &rnd_info_A ); |
| 362 | } while( ret == MBEDTLS_ERR_ECP_IN_PROGRESS && ++cnt_restart ); |
| 363 | |
| 364 | TEST_ASSERT( ret == 0 ); |
| 365 | TEST_ASSERT( cnt_restart >= min_restart ); |
| 366 | TEST_ASSERT( cnt_restart <= max_restart ); |
| 367 | |
| 368 | /* client read server params */ |
| 369 | vbuf = buf; |
| 370 | TEST_ASSERT( mbedtls_ecdh_read_params( &cli, &vbuf, buf + len ) == 0 ); |
| 371 | |
| 372 | /* client writes its key share */ |
| 373 | memset( buf, 0x00, sizeof( buf ) ); |
| 374 | len = 0; |
| 375 | |
| 376 | cnt_restart = 0; |
| 377 | do { |
| 378 | ret = mbedtls_ecdh_make_public( &cli, &len, buf, sizeof( buf ), |
| 379 | rnd_buffer_rand, &rnd_info_B ); |
| 380 | } while( ret == MBEDTLS_ERR_ECP_IN_PROGRESS && ++cnt_restart ); |
| 381 | |
| 382 | TEST_ASSERT( ret == 0 ); |
| 383 | TEST_ASSERT( cnt_restart >= min_restart ); |
| 384 | TEST_ASSERT( cnt_restart <= max_restart ); |
| 385 | |
| 386 | /* server reads client key share */ |
| 387 | TEST_ASSERT( mbedtls_ecdh_read_public( &srv, buf, len ) == 0 ); |
| 388 | |
| 389 | /* server computes shared secret */ |
| 390 | memset( buf, 0, sizeof( buf ) ); |
| 391 | len = 0; |
| 392 | |
| 393 | cnt_restart = 0; |
| 394 | do { |
| 395 | ret = mbedtls_ecdh_calc_secret( &srv, &len, buf, sizeof( buf ), |
| 396 | NULL, NULL ); |
| 397 | } while( ret == MBEDTLS_ERR_ECP_IN_PROGRESS && ++cnt_restart ); |
| 398 | |
| 399 | TEST_ASSERT( ret == 0 ); |
| 400 | TEST_ASSERT( cnt_restart >= min_restart ); |
| 401 | TEST_ASSERT( cnt_restart <= max_restart ); |
| 402 | |
| 403 | TEST_ASSERT( len == z_len ); |
| 404 | TEST_ASSERT( memcmp( buf, z, len ) == 0 ); |
| 405 | |
| 406 | /* client computes shared secret */ |
| 407 | memset( buf, 0, sizeof( buf ) ); |
| 408 | len = 0; |
| 409 | |
| 410 | cnt_restart = 0; |
| 411 | do { |
| 412 | ret = mbedtls_ecdh_calc_secret( &cli, &len, buf, sizeof( buf ), |
| 413 | NULL, NULL ); |
| 414 | } while( ret == MBEDTLS_ERR_ECP_IN_PROGRESS && ++cnt_restart ); |
| 415 | |
| 416 | TEST_ASSERT( ret == 0 ); |
| 417 | TEST_ASSERT( cnt_restart >= min_restart ); |
| 418 | TEST_ASSERT( cnt_restart <= max_restart ); |
| 419 | |
| 420 | TEST_ASSERT( len == z_len ); |
| 421 | TEST_ASSERT( memcmp( buf, z, len ) == 0 ); |
| 422 | |
| 423 | exit: |
Janos Follath | 36c5f7f | 2018-10-30 14:08:52 +0000 | [diff] [blame] | 424 | mbedtls_ecp_group_free( &grp ); |
Manuel Pégourié-Gonnard | 71b2c53 | 2017-04-27 10:38:52 +0200 | [diff] [blame] | 425 | mbedtls_ecdh_free( &srv ); |
| 426 | mbedtls_ecdh_free( &cli ); |
| 427 | } |
| 428 | /* END_CASE */ |
Janos Follath | fc03e8d | 2018-10-04 17:17:54 +0100 | [diff] [blame] | 429 | |
Janos Follath | 36c5f7f | 2018-10-30 14:08:52 +0000 | [diff] [blame] | 430 | /* BEGIN_CASE depends_on:MBEDTLS_ECDH_LEGACY_CONTEXT */ |
Janos Follath | fc03e8d | 2018-10-04 17:17:54 +0100 | [diff] [blame] | 431 | void ecdh_exchange_legacy( int id ) |
| 432 | { |
| 433 | mbedtls_ecdh_context srv, cli; |
| 434 | unsigned char buf[1000]; |
| 435 | const unsigned char *vbuf; |
| 436 | size_t len; |
| 437 | |
| 438 | rnd_pseudo_info rnd_info; |
| 439 | |
| 440 | mbedtls_ecdh_init( &srv ); |
| 441 | mbedtls_ecdh_init( &cli ); |
| 442 | memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) ); |
| 443 | |
| 444 | TEST_ASSERT( mbedtls_ecp_group_load( &srv.grp, id ) == 0 ); |
| 445 | |
| 446 | memset( buf, 0x00, sizeof( buf ) ); vbuf = buf; |
| 447 | TEST_ASSERT( mbedtls_ecdh_make_params( &srv, &len, buf, 1000, |
| 448 | &rnd_pseudo_rand, &rnd_info ) == 0 ); |
| 449 | TEST_ASSERT( mbedtls_ecdh_read_params( &cli, &vbuf, buf + len ) == 0 ); |
| 450 | |
| 451 | memset( buf, 0x00, sizeof( buf ) ); |
| 452 | TEST_ASSERT( mbedtls_ecdh_make_public( &cli, &len, buf, 1000, |
| 453 | &rnd_pseudo_rand, &rnd_info ) == 0 ); |
| 454 | TEST_ASSERT( mbedtls_ecdh_read_public( &srv, buf, len ) == 0 ); |
| 455 | |
| 456 | TEST_ASSERT( mbedtls_ecdh_calc_secret( &srv, &len, buf, 1000, |
| 457 | &rnd_pseudo_rand, &rnd_info ) == 0 ); |
| 458 | TEST_ASSERT( mbedtls_ecdh_calc_secret( &cli, &len, buf, 1000, NULL, |
| 459 | NULL ) == 0 ); |
| 460 | TEST_ASSERT( mbedtls_mpi_cmp_mpi( &srv.z, &cli.z ) == 0 ); |
| 461 | |
| 462 | exit: |
| 463 | mbedtls_ecdh_free( &srv ); |
| 464 | mbedtls_ecdh_free( &cli ); |
| 465 | } |
| 466 | /* END_CASE */ |