blob: 3ec7caf54f0cb5c7de5b817184e54ee60ede057b [file] [log] [blame]
Paul Bakker33b43f12013-08-20 11:48:36 +02001/* BEGIN_HEADER */
Manuel Pégourié-Gonnard7f809972015-03-09 17:05:11 +00002#include "mbedtls/ecp.h"
Paul Bakkerdbd443d2013-08-16 13:38:47 +02003
Manuel Pégourié-Gonnard6c7af4c2015-04-03 16:41:52 +02004#define ECP_PF_UNKNOWN -1
Paul Bakker33b43f12013-08-20 11:48:36 +02005/* END_HEADER */
Manuel Pégourié-Gonnard4b8c3f22012-11-07 21:39:45 +01006
Paul Bakker33b43f12013-08-20 11:48:36 +02007/* BEGIN_DEPENDENCIES
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +02008 * depends_on:MBEDTLS_ECP_C
Paul Bakker33b43f12013-08-20 11:48:36 +02009 * END_DEPENDENCIES
10 */
Manuel Pégourié-Gonnard4b8c3f22012-11-07 21:39:45 +010011
Paul Bakker33b43f12013-08-20 11:48:36 +020012/* BEGIN_CASE */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020013void mbedtls_ecp_curve_info( int id, int tls_id, int size, char *name )
Manuel Pégourié-Gonnard0267e3d2013-11-30 15:10:14 +010014{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020015 const mbedtls_ecp_curve_info *by_id, *by_tls, *by_name;
Manuel Pégourié-Gonnard0267e3d2013-11-30 15:10:14 +010016
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020017 by_id = mbedtls_ecp_curve_info_from_grp_id( id );
18 by_tls = mbedtls_ecp_curve_info_from_tls_id( tls_id );
19 by_name = mbedtls_ecp_curve_info_from_name( name );
Paul Bakker94b916c2014-04-17 16:07:20 +020020 TEST_ASSERT( by_id != NULL );
21 TEST_ASSERT( by_tls != NULL );
22 TEST_ASSERT( by_name != NULL );
Manuel Pégourié-Gonnard0267e3d2013-11-30 15:10:14 +010023
24 TEST_ASSERT( by_id == by_tls );
25 TEST_ASSERT( by_id == by_name );
26
Manuel Pégourié-Gonnard797f48a2015-06-18 15:45:05 +020027 TEST_ASSERT( by_id->bit_size == size );
Manuel Pégourié-Gonnard0267e3d2013-11-30 15:10:14 +010028}
29/* END_CASE */
30
31/* BEGIN_CASE */
Janos Follath28fff142017-01-27 15:51:14 +000032void ecp_check_pub( int grp_id, char *x_hex, char *y_hex, char *z_hex, int ret )
Manuel Pégourié-Gonnard312d2e82013-12-04 11:08:01 +010033{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020034 mbedtls_ecp_group grp;
35 mbedtls_ecp_point P;
Manuel Pégourié-Gonnard312d2e82013-12-04 11:08:01 +010036
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020037 mbedtls_ecp_group_init( &grp );
38 mbedtls_ecp_point_init( &P );
Manuel Pégourié-Gonnard312d2e82013-12-04 11:08:01 +010039
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +020040 TEST_ASSERT( mbedtls_ecp_group_load( &grp, grp_id ) == 0 );
Manuel Pégourié-Gonnard312d2e82013-12-04 11:08:01 +010041
Janos Follath28fff142017-01-27 15:51:14 +000042 TEST_ASSERT( mbedtls_mpi_read_string( &P.X, 16, x_hex ) == 0 );
43 TEST_ASSERT( mbedtls_mpi_read_string( &P.Y, 16, y_hex ) == 0 );
44 TEST_ASSERT( mbedtls_mpi_read_string( &P.Z, 16, z_hex ) == 0 );
Manuel Pégourié-Gonnard312d2e82013-12-04 11:08:01 +010045
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020046 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &P ) == ret );
Manuel Pégourié-Gonnard312d2e82013-12-04 11:08:01 +010047
Paul Bakkerbd51b262014-07-10 15:26:12 +020048exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020049 mbedtls_ecp_group_free( &grp );
50 mbedtls_ecp_point_free( &P );
Manuel Pégourié-Gonnard312d2e82013-12-04 11:08:01 +010051}
52/* END_CASE */
53
Manuel Pégourié-Gonnard4b9c51e2017-04-20 15:50:26 +020054/* BEGIN_CASE depends_on:MBEDTLS_ECP_RESTARTABLE */
Manuel Pégourié-Gonnard510d5ca2017-03-08 11:41:47 +010055void ecp_test_vect_restart( int id,
56 char *dA_str, char *xA_str, char *yA_str,
57 char *dB_str, char *xZ_str, char *yZ_str,
58 int max_ops, int min_restarts, int max_restarts )
59{
60 /*
61 * Test for early restart. Based on test vectors like ecp_test_vect(),
62 * but for the sake of simplicity only does half of each side. It's
63 * important to test both base point and random point, though, as memory
64 * management is different in each case.
65 *
66 * Don't try using too precise bounds for restarts as the exact number
67 * will depend on settings such as MBEDTLS_ECP_FIXED_POINT_OPTIM and
68 * MBEDTLS_ECP_WINDOW_SIZE, as well as implementation details that may
69 * change in the future. A factor 2 is a minimum safety margin.
70 *
71 * For reference, with mbed TLS 2.4 and default settings, for P-256:
Manuel Pégourié-Gonnard9c5c78f2017-03-20 14:13:07 +010072 * - Random point mult: ~3250M
73 * - Cold base point mult: ~3300M
74 * - Hot base point mult: ~1100M
Manuel Pégourié-Gonnard510d5ca2017-03-08 11:41:47 +010075 * With MBEDTLS_ECP_WINDOW_SIZE set to 2 (minimum):
Manuel Pégourié-Gonnard9c5c78f2017-03-20 14:13:07 +010076 * - Random point mult: ~3850M
Manuel Pégourié-Gonnard510d5ca2017-03-08 11:41:47 +010077 */
Manuel Pégourié-Gonnardb739a712017-04-19 10:11:56 +020078 mbedtls_ecp_restart_ctx ctx;
Manuel Pégourié-Gonnard510d5ca2017-03-08 11:41:47 +010079 mbedtls_ecp_group grp;
80 mbedtls_ecp_point R;
81 mbedtls_mpi dA, xA, yA, dB, xZ, yZ;
82 int cnt_restarts;
83 int ret;
84
Manuel Pégourié-Gonnardb739a712017-04-19 10:11:56 +020085 mbedtls_ecp_restart_init( &ctx );
Manuel Pégourié-Gonnard510d5ca2017-03-08 11:41:47 +010086 mbedtls_ecp_group_init( &grp ); mbedtls_ecp_point_init( &R );
87 mbedtls_mpi_init( &dA ); mbedtls_mpi_init( &xA ); mbedtls_mpi_init( &yA );
88 mbedtls_mpi_init( &dB ); mbedtls_mpi_init( &xZ ); mbedtls_mpi_init( &yZ );
89
90 TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
91
92 TEST_ASSERT( mbedtls_mpi_read_string( &dA, 16, dA_str ) == 0 );
93 TEST_ASSERT( mbedtls_mpi_read_string( &xA, 16, xA_str ) == 0 );
94 TEST_ASSERT( mbedtls_mpi_read_string( &yA, 16, yA_str ) == 0 );
95
96 TEST_ASSERT( mbedtls_mpi_read_string( &dB, 16, dB_str ) == 0 );
97 TEST_ASSERT( mbedtls_mpi_read_string( &xZ, 16, xZ_str ) == 0 );
98 TEST_ASSERT( mbedtls_mpi_read_string( &yZ, 16, yZ_str ) == 0 );
99
100 mbedtls_ecp_set_max_ops( (unsigned) max_ops );
101
102 /* Base point case */
103 cnt_restarts = 0;
104 do {
Manuel Pégourié-Gonnardb739a712017-04-19 10:11:56 +0200105 ret = mbedtls_ecp_mul_restartable( &grp, &R, &dA, &grp.G, NULL, NULL, &ctx );
Manuel Pégourié-Gonnard510d5ca2017-03-08 11:41:47 +0100106 TEST_ASSERT( ret == 0 || ret == MBEDTLS_ERR_ECP_IN_PROGRESS );
107
108 if( ret == MBEDTLS_ERR_ECP_IN_PROGRESS )
109 cnt_restarts++;
110 }
111 while( ret != 0 );
112
113 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.X, &xA ) == 0 );
114 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.Y, &yA ) == 0 );
115
116 TEST_ASSERT( cnt_restarts >= min_restarts );
117 TEST_ASSERT( cnt_restarts <= max_restarts );
118
Manuel Pégourié-Gonnard510d5ca2017-03-08 11:41:47 +0100119 /* Non-base point case */
120 cnt_restarts = 0;
121 do {
Manuel Pégourié-Gonnardb739a712017-04-19 10:11:56 +0200122 ret = mbedtls_ecp_mul_restartable( &grp, &R, &dB, &R, NULL, NULL, &ctx );
Manuel Pégourié-Gonnard510d5ca2017-03-08 11:41:47 +0100123 TEST_ASSERT( ret == 0 || ret == MBEDTLS_ERR_ECP_IN_PROGRESS );
124
125 if( ret == MBEDTLS_ERR_ECP_IN_PROGRESS )
126 cnt_restarts++;
127 }
128 while( ret != 0 );
129
130 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.X, &xZ ) == 0 );
131 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.Y, &yZ ) == 0 );
132
133 TEST_ASSERT( cnt_restarts >= min_restarts );
134 TEST_ASSERT( cnt_restarts <= max_restarts );
135
Manuel Pégourié-Gonnard77af79a2017-03-14 10:58:00 +0100136 /* Do we leak memory when not finishing an operation? */
Manuel Pégourié-Gonnardb739a712017-04-19 10:11:56 +0200137 ret = mbedtls_ecp_mul_restartable( &grp, &R, &dB, &R, NULL, NULL, &ctx );
Manuel Pégourié-Gonnard77af79a2017-03-14 10:58:00 +0100138 TEST_ASSERT( ret == 0 || ret == MBEDTLS_ERR_ECP_IN_PROGRESS );
139
Manuel Pégourié-Gonnard510d5ca2017-03-08 11:41:47 +0100140exit:
Manuel Pégourié-Gonnardb739a712017-04-19 10:11:56 +0200141 mbedtls_ecp_restart_free( &ctx );
Manuel Pégourié-Gonnard510d5ca2017-03-08 11:41:47 +0100142 mbedtls_ecp_group_free( &grp ); mbedtls_ecp_point_free( &R );
143 mbedtls_mpi_free( &dA ); mbedtls_mpi_free( &xA ); mbedtls_mpi_free( &yA );
144 mbedtls_mpi_free( &dB ); mbedtls_mpi_free( &xZ ); mbedtls_mpi_free( &yZ );
145}
146/* END_CASE */
147
Manuel Pégourié-Gonnard4b9c51e2017-04-20 15:50:26 +0200148/* BEGIN_CASE depends_on:MBEDTLS_ECP_RESTARTABLE */
Manuel Pégourié-Gonnard54dd6522017-04-20 13:36:18 +0200149void ecp_muladd_restart( int id, char *xR_str, char *yR_str,
150 char *u1_str, char *u2_str,
151 char *xQ_str, char *yQ_str,
152 int max_ops, int min_restarts, int max_restarts )
153{
154 /*
155 * Compute R = u1 * G + u2 * Q
156 * (test vectors mostly taken from ECDSA intermediate results)
157 *
158 * See comments at the top of ecp_test_vect_restart()
159 */
160 mbedtls_ecp_restart_ctx ctx;
161 mbedtls_ecp_group grp;
162 mbedtls_ecp_point R, Q;
163 mbedtls_mpi u1, u2, xR, yR;
164 int cnt_restarts;
165 int ret;
166
167 mbedtls_ecp_restart_init( &ctx );
168 mbedtls_ecp_group_init( &grp );
169 mbedtls_ecp_point_init( &R );
170 mbedtls_ecp_point_init( &Q );
171 mbedtls_mpi_init( &u1 ); mbedtls_mpi_init( &u2 );
172 mbedtls_mpi_init( &xR ); mbedtls_mpi_init( &yR );
173
174 TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
175
176 TEST_ASSERT( mbedtls_mpi_read_string( &u1, 16, u1_str ) == 0 );
177 TEST_ASSERT( mbedtls_mpi_read_string( &u2, 16, u2_str ) == 0 );
178 TEST_ASSERT( mbedtls_mpi_read_string( &xR, 16, xR_str ) == 0 );
179 TEST_ASSERT( mbedtls_mpi_read_string( &yR, 16, yR_str ) == 0 );
180
181 TEST_ASSERT( mbedtls_mpi_read_string( &Q.X, 16, xQ_str ) == 0 );
182 TEST_ASSERT( mbedtls_mpi_read_string( &Q.Y, 16, yQ_str ) == 0 );
183 TEST_ASSERT( mbedtls_mpi_lset( &Q.Z, 1 ) == 0 );
184
185 mbedtls_ecp_set_max_ops( (unsigned) max_ops );
186
187 cnt_restarts = 0;
188 do {
189 ret = mbedtls_ecp_muladd_restartable( &grp, &R,
190 &u1, &grp.G, &u2, &Q, &ctx );
191 TEST_ASSERT( ret == 0 || ret == MBEDTLS_ERR_ECP_IN_PROGRESS );
192
193 if( ret == MBEDTLS_ERR_ECP_IN_PROGRESS )
194 cnt_restarts++;
195 }
196 while( ret != 0 );
197
198 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.X, &xR ) == 0 );
199 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.Y, &yR ) == 0 );
200
201 TEST_ASSERT( cnt_restarts >= min_restarts );
202 TEST_ASSERT( cnt_restarts <= max_restarts );
203
204 /* Do we leak memory when aborting? */
205 ret = mbedtls_ecp_muladd_restartable( &grp, &R,
206 &u1, &grp.G, &u2, &Q, &ctx );
207 TEST_ASSERT( ret == 0 || ret == MBEDTLS_ERR_ECP_IN_PROGRESS );
208
209exit:
210 mbedtls_ecp_restart_free( &ctx );
211 mbedtls_ecp_group_free( &grp );
212 mbedtls_ecp_point_free( &R );
213 mbedtls_ecp_point_free( &Q );
214 mbedtls_mpi_free( &u1 ); mbedtls_mpi_free( &u2 );
215 mbedtls_mpi_free( &xR ); mbedtls_mpi_free( &yR );
216}
217/* END_CASE */
218
Manuel Pégourié-Gonnard312d2e82013-12-04 11:08:01 +0100219/* BEGIN_CASE */
Paul Bakker33b43f12013-08-20 11:48:36 +0200220void ecp_test_vect( int id, char *dA_str, char *xA_str, char *yA_str,
221 char *dB_str, char *xB_str, char *yB_str, char *xZ_str,
222 char *yZ_str )
Manuel Pégourié-Gonnard4b8c3f22012-11-07 21:39:45 +0100223{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200224 mbedtls_ecp_group grp;
225 mbedtls_ecp_point R;
226 mbedtls_mpi dA, xA, yA, dB, xB, yB, xZ, yZ;
Manuel Pégourié-Gonnarde09d2f82013-09-02 14:29:09 +0200227 rnd_pseudo_info rnd_info;
Manuel Pégourié-Gonnard4b8c3f22012-11-07 21:39:45 +0100228
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200229 mbedtls_ecp_group_init( &grp ); mbedtls_ecp_point_init( &R );
230 mbedtls_mpi_init( &dA ); mbedtls_mpi_init( &xA ); mbedtls_mpi_init( &yA ); mbedtls_mpi_init( &dB );
231 mbedtls_mpi_init( &xB ); mbedtls_mpi_init( &yB ); mbedtls_mpi_init( &xZ ); mbedtls_mpi_init( &yZ );
Manuel Pégourié-Gonnarde09d2f82013-09-02 14:29:09 +0200232 memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
Manuel Pégourié-Gonnard4b8c3f22012-11-07 21:39:45 +0100233
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200234 TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
Manuel Pégourié-Gonnard4b8c3f22012-11-07 21:39:45 +0100235
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200236 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &grp.G ) == 0 );
Manuel Pégourié-Gonnard1c330572012-11-24 12:05:44 +0100237
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200238 TEST_ASSERT( mbedtls_mpi_read_string( &dA, 16, dA_str ) == 0 );
239 TEST_ASSERT( mbedtls_mpi_read_string( &xA, 16, xA_str ) == 0 );
240 TEST_ASSERT( mbedtls_mpi_read_string( &yA, 16, yA_str ) == 0 );
241 TEST_ASSERT( mbedtls_mpi_read_string( &dB, 16, dB_str ) == 0 );
242 TEST_ASSERT( mbedtls_mpi_read_string( &xB, 16, xB_str ) == 0 );
243 TEST_ASSERT( mbedtls_mpi_read_string( &yB, 16, yB_str ) == 0 );
244 TEST_ASSERT( mbedtls_mpi_read_string( &xZ, 16, xZ_str ) == 0 );
245 TEST_ASSERT( mbedtls_mpi_read_string( &yZ, 16, yZ_str ) == 0 );
Manuel Pégourié-Gonnarde739f012012-11-07 12:24:22 +0100246
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200247 TEST_ASSERT( mbedtls_ecp_mul( &grp, &R, &dA, &grp.G,
Manuel Pégourié-Gonnarde09d2f82013-09-02 14:29:09 +0200248 &rnd_pseudo_rand, &rnd_info ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200249 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.X, &xA ) == 0 );
250 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.Y, &yA ) == 0 );
251 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &R ) == 0 );
252 TEST_ASSERT( mbedtls_ecp_mul( &grp, &R, &dB, &R, NULL, NULL ) == 0 );
253 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.X, &xZ ) == 0 );
254 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.Y, &yZ ) == 0 );
255 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &R ) == 0 );
Manuel Pégourié-Gonnarde739f012012-11-07 12:24:22 +0100256
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200257 TEST_ASSERT( mbedtls_ecp_mul( &grp, &R, &dB, &grp.G, NULL, NULL ) == 0 );
258 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.X, &xB ) == 0 );
259 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.Y, &yB ) == 0 );
260 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &R ) == 0 );
261 TEST_ASSERT( mbedtls_ecp_mul( &grp, &R, &dA, &R,
Manuel Pégourié-Gonnarde09d2f82013-09-02 14:29:09 +0200262 &rnd_pseudo_rand, &rnd_info ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200263 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.X, &xZ ) == 0 );
264 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.Y, &yZ ) == 0 );
265 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &R ) == 0 );
Manuel Pégourié-Gonnarde739f012012-11-07 12:24:22 +0100266
Paul Bakkerbd51b262014-07-10 15:26:12 +0200267exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200268 mbedtls_ecp_group_free( &grp ); mbedtls_ecp_point_free( &R );
269 mbedtls_mpi_free( &dA ); mbedtls_mpi_free( &xA ); mbedtls_mpi_free( &yA ); mbedtls_mpi_free( &dB );
270 mbedtls_mpi_free( &xB ); mbedtls_mpi_free( &yB ); mbedtls_mpi_free( &xZ ); mbedtls_mpi_free( &yZ );
Manuel Pégourié-Gonnard4b8c3f22012-11-07 21:39:45 +0100271}
Paul Bakker33b43f12013-08-20 11:48:36 +0200272/* END_CASE */
Manuel Pégourié-Gonnard84338242012-11-11 20:45:18 +0100273
Paul Bakker33b43f12013-08-20 11:48:36 +0200274/* BEGIN_CASE */
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100275void ecp_test_vec_x( int id, char *dA_hex, char *xA_hex,
276 char *dB_hex, char *xB_hex, char *xS_hex )
277{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200278 mbedtls_ecp_group grp;
279 mbedtls_ecp_point R;
280 mbedtls_mpi dA, xA, dB, xB, xS;
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100281 rnd_pseudo_info rnd_info;
282
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200283 mbedtls_ecp_group_init( &grp ); mbedtls_ecp_point_init( &R );
284 mbedtls_mpi_init( &dA ); mbedtls_mpi_init( &xA );
285 mbedtls_mpi_init( &dB ); mbedtls_mpi_init( &xB );
286 mbedtls_mpi_init( &xS );
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100287 memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
288
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200289 TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100290
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200291 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &grp.G ) == 0 );
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100292
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200293 TEST_ASSERT( mbedtls_mpi_read_string( &dA, 16, dA_hex ) == 0 );
294 TEST_ASSERT( mbedtls_mpi_read_string( &dB, 16, dB_hex ) == 0 );
295 TEST_ASSERT( mbedtls_mpi_read_string( &xA, 16, xA_hex ) == 0 );
296 TEST_ASSERT( mbedtls_mpi_read_string( &xB, 16, xB_hex ) == 0 );
297 TEST_ASSERT( mbedtls_mpi_read_string( &xS, 16, xS_hex ) == 0 );
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100298
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200299 TEST_ASSERT( mbedtls_ecp_mul( &grp, &R, &dA, &grp.G,
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100300 &rnd_pseudo_rand, &rnd_info ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200301 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &R ) == 0 );
302 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.X, &xA ) == 0 );
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100303
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200304 TEST_ASSERT( mbedtls_ecp_mul( &grp, &R, &dB, &R,
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100305 &rnd_pseudo_rand, &rnd_info ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200306 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &R ) == 0 );
307 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.X, &xS ) == 0 );
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100308
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200309 TEST_ASSERT( mbedtls_ecp_mul( &grp, &R, &dB, &grp.G, NULL, NULL ) == 0 );
310 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &R ) == 0 );
311 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.X, &xB ) == 0 );
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100312
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200313 TEST_ASSERT( mbedtls_ecp_mul( &grp, &R, &dA, &R, NULL, NULL ) == 0 );
314 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &R ) == 0 );
315 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.X, &xS ) == 0 );
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100316
Paul Bakkerbd51b262014-07-10 15:26:12 +0200317exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200318 mbedtls_ecp_group_free( &grp ); mbedtls_ecp_point_free( &R );
319 mbedtls_mpi_free( &dA ); mbedtls_mpi_free( &xA );
320 mbedtls_mpi_free( &dB ); mbedtls_mpi_free( &xB );
321 mbedtls_mpi_free( &xS );
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100322}
323/* END_CASE */
324
325/* BEGIN_CASE */
Paul Bakker33b43f12013-08-20 11:48:36 +0200326void ecp_fast_mod( int id, char *N_str )
Manuel Pégourié-Gonnard84338242012-11-11 20:45:18 +0100327{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200328 mbedtls_ecp_group grp;
329 mbedtls_mpi N, R;
Manuel Pégourié-Gonnard84338242012-11-11 20:45:18 +0100330
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200331 mbedtls_mpi_init( &N ); mbedtls_mpi_init( &R );
332 mbedtls_ecp_group_init( &grp );
Manuel Pégourié-Gonnard84338242012-11-11 20:45:18 +0100333
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200334 TEST_ASSERT( mbedtls_mpi_read_string( &N, 16, N_str ) == 0 );
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200335 TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
Manuel Pégourié-Gonnarde783f062013-10-21 14:52:21 +0200336 TEST_ASSERT( grp.modp != NULL );
Manuel Pégourié-Gonnard84338242012-11-11 20:45:18 +0100337
338 /*
339 * Store correct result before we touch N
340 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200341 TEST_ASSERT( mbedtls_mpi_mod_mpi( &R, &N, &grp.P ) == 0 );
Manuel Pégourié-Gonnard84338242012-11-11 20:45:18 +0100342
343 TEST_ASSERT( grp.modp( &N ) == 0 );
Manuel Pégourié-Gonnardc0696c22015-06-18 16:47:17 +0200344 TEST_ASSERT( mbedtls_mpi_bitlen( &N ) <= grp.pbits + 3 );
Manuel Pégourié-Gonnard84338242012-11-11 20:45:18 +0100345
346 /*
Paul Bakkerd8b0c5e2014-04-11 15:31:33 +0200347 * Use mod rather than addition/subtraction in case previous test fails
Manuel Pégourié-Gonnard84338242012-11-11 20:45:18 +0100348 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200349 TEST_ASSERT( mbedtls_mpi_mod_mpi( &N, &N, &grp.P ) == 0 );
350 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &N, &R ) == 0 );
Manuel Pégourié-Gonnard84338242012-11-11 20:45:18 +0100351
Paul Bakkerbd51b262014-07-10 15:26:12 +0200352exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200353 mbedtls_mpi_free( &N ); mbedtls_mpi_free( &R );
354 mbedtls_ecp_group_free( &grp );
Manuel Pégourié-Gonnard84338242012-11-11 20:45:18 +0100355}
Paul Bakker33b43f12013-08-20 11:48:36 +0200356/* END_CASE */
Manuel Pégourié-Gonnardb4a310b2012-11-13 20:57:00 +0100357
Paul Bakker33b43f12013-08-20 11:48:36 +0200358/* BEGIN_CASE */
359void ecp_write_binary( int id, char *x, char *y, char *z, int format,
360 char *out, int blen, int ret )
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100361{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200362 mbedtls_ecp_group grp;
363 mbedtls_ecp_point P;
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100364 unsigned char buf[256], str[512];
Manuel Pégourié-Gonnard420f1eb2013-02-10 12:22:46 +0100365 size_t olen;
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100366
367 memset( buf, 0, sizeof( buf ) );
368 memset( str, 0, sizeof( str ) );
369
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200370 mbedtls_ecp_group_init( &grp ); mbedtls_ecp_point_init( &P );
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100371
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200372 TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100373
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200374 TEST_ASSERT( mbedtls_mpi_read_string( &P.X, 16, x ) == 0 );
375 TEST_ASSERT( mbedtls_mpi_read_string( &P.Y, 16, y ) == 0 );
376 TEST_ASSERT( mbedtls_mpi_read_string( &P.Z, 16, z ) == 0 );
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100377
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200378 TEST_ASSERT( mbedtls_ecp_point_write_binary( &grp, &P, format,
Paul Bakker33b43f12013-08-20 11:48:36 +0200379 &olen, buf, blen ) == ret );
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100380
Paul Bakker33b43f12013-08-20 11:48:36 +0200381 if( ret == 0 )
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100382 {
Manuel Pégourié-Gonnard37d218a2012-11-24 15:19:55 +0100383 hexify( str, buf, olen );
Paul Bakker33b43f12013-08-20 11:48:36 +0200384 TEST_ASSERT( strcasecmp( (char *) str, out ) == 0 );
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100385 }
386
Paul Bakkerbd51b262014-07-10 15:26:12 +0200387exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200388 mbedtls_ecp_group_free( &grp ); mbedtls_ecp_point_free( &P );
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100389}
Paul Bakker33b43f12013-08-20 11:48:36 +0200390/* END_CASE */
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100391
Paul Bakker33b43f12013-08-20 11:48:36 +0200392/* BEGIN_CASE */
393void ecp_read_binary( int id, char *input, char *x, char *y, char *z,
394 int ret )
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100395{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200396 mbedtls_ecp_group grp;
397 mbedtls_ecp_point P;
398 mbedtls_mpi X, Y, Z;
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100399 int ilen;
400 unsigned char buf[256];
401
402 memset( buf, 0, sizeof( buf ) );
403
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200404 mbedtls_ecp_group_init( &grp ); mbedtls_ecp_point_init( &P );
405 mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &Z );
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100406
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200407 TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100408
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200409 TEST_ASSERT( mbedtls_mpi_read_string( &X, 16, x ) == 0 );
410 TEST_ASSERT( mbedtls_mpi_read_string( &Y, 16, y ) == 0 );
411 TEST_ASSERT( mbedtls_mpi_read_string( &Z, 16, z ) == 0 );
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100412
Paul Bakker33b43f12013-08-20 11:48:36 +0200413 ilen = unhexify( buf, input );
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100414
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200415 TEST_ASSERT( mbedtls_ecp_point_read_binary( &grp, &P, buf, ilen ) == ret );
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100416
Paul Bakker33b43f12013-08-20 11:48:36 +0200417 if( ret == 0 )
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100418 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200419 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &P.X, &X ) == 0 );
420 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &P.Y, &Y ) == 0 );
421 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &P.Z, &Z ) == 0 );
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100422 }
423
Paul Bakkerbd51b262014-07-10 15:26:12 +0200424exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200425 mbedtls_ecp_group_free( &grp ); mbedtls_ecp_point_free( &P );
426 mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y ); mbedtls_mpi_free( &Z );
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100427}
Paul Bakker33b43f12013-08-20 11:48:36 +0200428/* END_CASE */
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100429
Paul Bakker33b43f12013-08-20 11:48:36 +0200430/* BEGIN_CASE */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200431void mbedtls_ecp_tls_read_point( int id, char *input, char *x, char *y, char *z,
Paul Bakker33b43f12013-08-20 11:48:36 +0200432 int ret )
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100433{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200434 mbedtls_ecp_group grp;
435 mbedtls_ecp_point P;
436 mbedtls_mpi X, Y, Z;
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100437 size_t ilen;
438 unsigned char buf[256];
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100439 const unsigned char *vbuf = buf;
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100440
441 memset( buf, 0, sizeof( buf ) );
442
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200443 mbedtls_ecp_group_init( &grp ); mbedtls_ecp_point_init( &P );
444 mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &Z );
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100445
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200446 TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100447
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200448 TEST_ASSERT( mbedtls_mpi_read_string( &X, 16, x ) == 0 );
449 TEST_ASSERT( mbedtls_mpi_read_string( &Y, 16, y ) == 0 );
450 TEST_ASSERT( mbedtls_mpi_read_string( &Z, 16, z ) == 0 );
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100451
Paul Bakker33b43f12013-08-20 11:48:36 +0200452 ilen = unhexify( buf, input );
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100453
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200454 TEST_ASSERT( mbedtls_ecp_tls_read_point( &grp, &P, &vbuf, ilen ) == ret );
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100455
Paul Bakker33b43f12013-08-20 11:48:36 +0200456 if( ret == 0 )
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100457 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200458 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &P.X, &X ) == 0 );
459 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &P.Y, &Y ) == 0 );
460 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &P.Z, &Z ) == 0 );
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100461 TEST_ASSERT( *vbuf == 0x00 );
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100462 }
463
Paul Bakkerbd51b262014-07-10 15:26:12 +0200464exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200465 mbedtls_ecp_group_free( &grp ); mbedtls_ecp_point_free( &P );
466 mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y ); mbedtls_mpi_free( &Z );
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100467}
Paul Bakker33b43f12013-08-20 11:48:36 +0200468/* END_CASE */
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100469
Paul Bakker33b43f12013-08-20 11:48:36 +0200470/* BEGIN_CASE */
471void ecp_tls_write_read_point( int id )
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100472{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200473 mbedtls_ecp_group grp;
474 mbedtls_ecp_point pt;
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100475 unsigned char buf[256];
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100476 const unsigned char *vbuf;
Manuel Pégourié-Gonnard420f1eb2013-02-10 12:22:46 +0100477 size_t olen;
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100478
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200479 mbedtls_ecp_group_init( &grp );
480 mbedtls_ecp_point_init( &pt );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100481
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200482 TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100483
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100484 memset( buf, 0x00, sizeof( buf ) ); vbuf = buf;
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200485 TEST_ASSERT( mbedtls_ecp_tls_write_point( &grp, &grp.G,
486 MBEDTLS_ECP_PF_COMPRESSED, &olen, buf, 256 ) == 0 );
487 TEST_ASSERT( mbedtls_ecp_tls_read_point( &grp, &pt, &vbuf, olen )
488 == MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE );
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100489 TEST_ASSERT( vbuf == buf + olen );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100490
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100491 memset( buf, 0x00, sizeof( buf ) ); vbuf = buf;
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200492 TEST_ASSERT( mbedtls_ecp_tls_write_point( &grp, &grp.G,
493 MBEDTLS_ECP_PF_UNCOMPRESSED, &olen, buf, 256 ) == 0 );
494 TEST_ASSERT( mbedtls_ecp_tls_read_point( &grp, &pt, &vbuf, olen ) == 0 );
495 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &grp.G.X, &pt.X ) == 0 );
496 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &grp.G.Y, &pt.Y ) == 0 );
497 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &grp.G.Z, &pt.Z ) == 0 );
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100498 TEST_ASSERT( vbuf == buf + olen );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100499
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100500 memset( buf, 0x00, sizeof( buf ) ); vbuf = buf;
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200501 TEST_ASSERT( mbedtls_ecp_set_zero( &pt ) == 0 );
502 TEST_ASSERT( mbedtls_ecp_tls_write_point( &grp, &pt,
503 MBEDTLS_ECP_PF_COMPRESSED, &olen, buf, 256 ) == 0 );
504 TEST_ASSERT( mbedtls_ecp_tls_read_point( &grp, &pt, &vbuf, olen ) == 0 );
505 TEST_ASSERT( mbedtls_ecp_is_zero( &pt ) );
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100506 TEST_ASSERT( vbuf == buf + olen );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100507
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100508 memset( buf, 0x00, sizeof( buf ) ); vbuf = buf;
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200509 TEST_ASSERT( mbedtls_ecp_set_zero( &pt ) == 0 );
510 TEST_ASSERT( mbedtls_ecp_tls_write_point( &grp, &pt,
511 MBEDTLS_ECP_PF_UNCOMPRESSED, &olen, buf, 256 ) == 0 );
512 TEST_ASSERT( mbedtls_ecp_tls_read_point( &grp, &pt, &vbuf, olen ) == 0 );
513 TEST_ASSERT( mbedtls_ecp_is_zero( &pt ) );
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100514 TEST_ASSERT( vbuf == buf + olen );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100515
Paul Bakkerbd51b262014-07-10 15:26:12 +0200516exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200517 mbedtls_ecp_group_free( &grp );
518 mbedtls_ecp_point_free( &pt );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100519}
Paul Bakker33b43f12013-08-20 11:48:36 +0200520/* END_CASE */
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100521
Paul Bakker33b43f12013-08-20 11:48:36 +0200522/* BEGIN_CASE */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200523void mbedtls_ecp_tls_read_group( char *record, int result, int bits )
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100524{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200525 mbedtls_ecp_group grp;
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100526 unsigned char buf[10];
Manuel Pégourié-Gonnard7c145c62013-02-10 13:20:52 +0100527 const unsigned char *vbuf = buf;
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100528 int len, ret;
529
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200530 mbedtls_ecp_group_init( &grp );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100531 memset( buf, 0x00, sizeof( buf ) );
532
Paul Bakker33b43f12013-08-20 11:48:36 +0200533 len = unhexify( buf, record );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100534
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200535 ret = mbedtls_ecp_tls_read_group( &grp, &vbuf, len );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100536
Paul Bakker33b43f12013-08-20 11:48:36 +0200537 TEST_ASSERT( ret == result );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100538 if( ret == 0)
Manuel Pégourié-Gonnard7c145c62013-02-10 13:20:52 +0100539 {
Manuel Pégourié-Gonnardc0696c22015-06-18 16:47:17 +0200540 TEST_ASSERT( mbedtls_mpi_bitlen( &grp.P ) == (size_t) bits );
Manuel Pégourié-Gonnard7c145c62013-02-10 13:20:52 +0100541 TEST_ASSERT( *vbuf == 0x00 );
542 }
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100543
Paul Bakkerbd51b262014-07-10 15:26:12 +0200544exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200545 mbedtls_ecp_group_free( &grp );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100546}
Paul Bakker33b43f12013-08-20 11:48:36 +0200547/* END_CASE */
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100548
Paul Bakker33b43f12013-08-20 11:48:36 +0200549/* BEGIN_CASE */
550void ecp_tls_write_read_group( int id )
Manuel Pégourié-Gonnard46106a92013-02-10 12:51:17 +0100551{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200552 mbedtls_ecp_group grp1, grp2;
Manuel Pégourié-Gonnard46106a92013-02-10 12:51:17 +0100553 unsigned char buf[10];
Manuel Pégourié-Gonnard7c145c62013-02-10 13:20:52 +0100554 const unsigned char *vbuf = buf;
Manuel Pégourié-Gonnard46106a92013-02-10 12:51:17 +0100555 size_t len;
556 int ret;
557
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200558 mbedtls_ecp_group_init( &grp1 );
559 mbedtls_ecp_group_init( &grp2 );
Manuel Pégourié-Gonnard46106a92013-02-10 12:51:17 +0100560 memset( buf, 0x00, sizeof( buf ) );
561
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200562 TEST_ASSERT( mbedtls_ecp_group_load( &grp1, id ) == 0 );
Manuel Pégourié-Gonnard46106a92013-02-10 12:51:17 +0100563
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200564 TEST_ASSERT( mbedtls_ecp_tls_write_group( &grp1, &len, buf, 10 ) == 0 );
565 ret = mbedtls_ecp_tls_read_group( &grp2, &vbuf, len );
Paul Bakker94b916c2014-04-17 16:07:20 +0200566 TEST_ASSERT( ret == 0 );
Manuel Pégourié-Gonnard46106a92013-02-10 12:51:17 +0100567
568 if( ret == 0 )
569 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200570 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &grp1.N, &grp2.N ) == 0 );
Manuel Pégourié-Gonnard46106a92013-02-10 12:51:17 +0100571 TEST_ASSERT( grp1.id == grp2.id );
572 }
573
Paul Bakkerbd51b262014-07-10 15:26:12 +0200574exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200575 mbedtls_ecp_group_free( &grp1 );
576 mbedtls_ecp_group_free( &grp2 );
Manuel Pégourié-Gonnard46106a92013-02-10 12:51:17 +0100577}
Paul Bakker33b43f12013-08-20 11:48:36 +0200578/* END_CASE */
Manuel Pégourié-Gonnard46106a92013-02-10 12:51:17 +0100579
Paul Bakker33b43f12013-08-20 11:48:36 +0200580/* BEGIN_CASE */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200581void mbedtls_ecp_check_privkey( int id, char *key_hex, int ret )
Manuel Pégourié-Gonnardc8dc2952013-07-01 14:06:13 +0200582{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200583 mbedtls_ecp_group grp;
584 mbedtls_mpi d;
Manuel Pégourié-Gonnardc8dc2952013-07-01 14:06:13 +0200585
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200586 mbedtls_ecp_group_init( &grp );
587 mbedtls_mpi_init( &d );
Manuel Pégourié-Gonnardc8dc2952013-07-01 14:06:13 +0200588
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200589 TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200590 TEST_ASSERT( mbedtls_mpi_read_string( &d, 16, key_hex ) == 0 );
Manuel Pégourié-Gonnardc8dc2952013-07-01 14:06:13 +0200591
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200592 TEST_ASSERT( mbedtls_ecp_check_privkey( &grp, &d ) == ret );
Manuel Pégourié-Gonnardc8dc2952013-07-01 14:06:13 +0200593
Paul Bakkerbd51b262014-07-10 15:26:12 +0200594exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200595 mbedtls_ecp_group_free( &grp );
596 mbedtls_mpi_free( &d );
Manuel Pégourié-Gonnardc8dc2952013-07-01 14:06:13 +0200597}
Paul Bakker33b43f12013-08-20 11:48:36 +0200598/* END_CASE */
Manuel Pégourié-Gonnardc8dc2952013-07-01 14:06:13 +0200599
Paul Bakker33b43f12013-08-20 11:48:36 +0200600/* BEGIN_CASE */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200601void mbedtls_ecp_check_pub_priv( int id_pub, char *Qx_pub, char *Qy_pub,
Manuel Pégourié-Gonnard30668d62014-11-06 15:25:32 +0100602 int id, char *d, char *Qx, char *Qy, int ret )
603{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200604 mbedtls_ecp_keypair pub, prv;
Manuel Pégourié-Gonnard30668d62014-11-06 15:25:32 +0100605
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200606 mbedtls_ecp_keypair_init( &pub );
607 mbedtls_ecp_keypair_init( &prv );
Manuel Pégourié-Gonnard30668d62014-11-06 15:25:32 +0100608
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200609 if( id_pub != MBEDTLS_ECP_DP_NONE )
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200610 TEST_ASSERT( mbedtls_ecp_group_load( &pub.grp, id_pub ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200611 TEST_ASSERT( mbedtls_ecp_point_read_string( &pub.Q, 16, Qx_pub, Qy_pub ) == 0 );
Manuel Pégourié-Gonnard30668d62014-11-06 15:25:32 +0100612
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200613 if( id != MBEDTLS_ECP_DP_NONE )
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200614 TEST_ASSERT( mbedtls_ecp_group_load( &prv.grp, id ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200615 TEST_ASSERT( mbedtls_ecp_point_read_string( &prv.Q, 16, Qx, Qy ) == 0 );
616 TEST_ASSERT( mbedtls_mpi_read_string( &prv.d, 16, d ) == 0 );
Manuel Pégourié-Gonnard30668d62014-11-06 15:25:32 +0100617
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200618 TEST_ASSERT( mbedtls_ecp_check_pub_priv( &pub, &prv ) == ret );
Manuel Pégourié-Gonnard30668d62014-11-06 15:25:32 +0100619
620exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200621 mbedtls_ecp_keypair_free( &pub );
622 mbedtls_ecp_keypair_free( &prv );
Manuel Pégourié-Gonnard30668d62014-11-06 15:25:32 +0100623}
624/* END_CASE */
625
626/* BEGIN_CASE */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200627void mbedtls_ecp_gen_keypair( int id )
Manuel Pégourié-Gonnard45a035a2013-01-26 14:42:45 +0100628{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200629 mbedtls_ecp_group grp;
630 mbedtls_ecp_point Q;
631 mbedtls_mpi d;
Manuel Pégourié-Gonnard45a035a2013-01-26 14:42:45 +0100632 rnd_pseudo_info rnd_info;
633
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200634 mbedtls_ecp_group_init( &grp );
635 mbedtls_ecp_point_init( &Q );
636 mbedtls_mpi_init( &d );
Manuel Pégourié-Gonnard45a035a2013-01-26 14:42:45 +0100637 memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
638
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200639 TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
Manuel Pégourié-Gonnard45a035a2013-01-26 14:42:45 +0100640
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200641 TEST_ASSERT( mbedtls_ecp_gen_keypair( &grp, &d, &Q, &rnd_pseudo_rand, &rnd_info )
Manuel Pégourié-Gonnard45a035a2013-01-26 14:42:45 +0100642 == 0 );
643
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200644 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &Q ) == 0 );
645 TEST_ASSERT( mbedtls_ecp_check_privkey( &grp, &d ) == 0 );
Manuel Pégourié-Gonnard45a035a2013-01-26 14:42:45 +0100646
Paul Bakkerbd51b262014-07-10 15:26:12 +0200647exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200648 mbedtls_ecp_group_free( &grp );
649 mbedtls_ecp_point_free( &Q );
650 mbedtls_mpi_free( &d );
Manuel Pégourié-Gonnard45a035a2013-01-26 14:42:45 +0100651}
Paul Bakker33b43f12013-08-20 11:48:36 +0200652/* END_CASE */
Manuel Pégourié-Gonnard45a035a2013-01-26 14:42:45 +0100653
Manuel Pégourié-Gonnard104ee1d2013-11-30 14:13:16 +0100654/* BEGIN_CASE */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200655void mbedtls_ecp_gen_key( int id )
Manuel Pégourié-Gonnard104ee1d2013-11-30 14:13:16 +0100656{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200657 mbedtls_ecp_keypair key;
Manuel Pégourié-Gonnard104ee1d2013-11-30 14:13:16 +0100658 rnd_pseudo_info rnd_info;
659
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200660 mbedtls_ecp_keypair_init( &key );
Manuel Pégourié-Gonnard104ee1d2013-11-30 14:13:16 +0100661 memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
662
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200663 TEST_ASSERT( mbedtls_ecp_gen_key( id, &key, &rnd_pseudo_rand, &rnd_info ) == 0 );
Manuel Pégourié-Gonnard104ee1d2013-11-30 14:13:16 +0100664
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200665 TEST_ASSERT( mbedtls_ecp_check_pubkey( &key.grp, &key.Q ) == 0 );
666 TEST_ASSERT( mbedtls_ecp_check_privkey( &key.grp, &key.d ) == 0 );
Manuel Pégourié-Gonnard104ee1d2013-11-30 14:13:16 +0100667
Paul Bakkerbd51b262014-07-10 15:26:12 +0200668exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200669 mbedtls_ecp_keypair_free( &key );
Manuel Pégourié-Gonnard104ee1d2013-11-30 14:13:16 +0100670}
671/* END_CASE */
672
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200673/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
Paul Bakker33b43f12013-08-20 11:48:36 +0200674void ecp_selftest()
Manuel Pégourié-Gonnardb4a310b2012-11-13 20:57:00 +0100675{
Andres AG93012e82016-09-09 09:10:28 +0100676 TEST_ASSERT( mbedtls_ecp_self_test( 1 ) == 0 );
Manuel Pégourié-Gonnardb4a310b2012-11-13 20:57:00 +0100677}
Paul Bakker33b43f12013-08-20 11:48:36 +0200678/* END_CASE */