blob: 195146c543982be3d2211f25ec35149225ad3875 [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-Gonnard510d5ca2017-03-08 11:41:47 +010054/* BEGIN_CASE depends_on:MBEDTLS_ECP_EARLY_RETURN */
55void 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-Gonnardb739a712017-04-19 10:11:56 +0200119 /* Prepare context for new operation */
120 mbedtls_ecp_restart_free( &ctx );
Manuel Pégourié-Gonnard78d564a2017-03-14 11:48:38 +0100121
Manuel Pégourié-Gonnard510d5ca2017-03-08 11:41:47 +0100122 /* Non-base point case */
123 cnt_restarts = 0;
124 do {
Manuel Pégourié-Gonnardb739a712017-04-19 10:11:56 +0200125 ret = mbedtls_ecp_mul_restartable( &grp, &R, &dB, &R, NULL, NULL, &ctx );
Manuel Pégourié-Gonnard510d5ca2017-03-08 11:41:47 +0100126 TEST_ASSERT( ret == 0 || ret == MBEDTLS_ERR_ECP_IN_PROGRESS );
127
128 if( ret == MBEDTLS_ERR_ECP_IN_PROGRESS )
129 cnt_restarts++;
130 }
131 while( ret != 0 );
132
133 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.X, &xZ ) == 0 );
134 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.Y, &yZ ) == 0 );
135
136 TEST_ASSERT( cnt_restarts >= min_restarts );
137 TEST_ASSERT( cnt_restarts <= max_restarts );
138
Manuel Pégourié-Gonnard77af79a2017-03-14 10:58:00 +0100139 /* Do we leak memory when not finishing an operation? */
Manuel Pégourié-Gonnardb739a712017-04-19 10:11:56 +0200140 ret = mbedtls_ecp_mul_restartable( &grp, &R, &dB, &R, NULL, NULL, &ctx );
Manuel Pégourié-Gonnard77af79a2017-03-14 10:58:00 +0100141 TEST_ASSERT( ret == 0 || ret == MBEDTLS_ERR_ECP_IN_PROGRESS );
142
Manuel Pégourié-Gonnard510d5ca2017-03-08 11:41:47 +0100143exit:
Manuel Pégourié-Gonnardb739a712017-04-19 10:11:56 +0200144 mbedtls_ecp_restart_free( &ctx );
Manuel Pégourié-Gonnard510d5ca2017-03-08 11:41:47 +0100145 mbedtls_ecp_group_free( &grp ); mbedtls_ecp_point_free( &R );
146 mbedtls_mpi_free( &dA ); mbedtls_mpi_free( &xA ); mbedtls_mpi_free( &yA );
147 mbedtls_mpi_free( &dB ); mbedtls_mpi_free( &xZ ); mbedtls_mpi_free( &yZ );
148}
149/* END_CASE */
150
Manuel Pégourié-Gonnard312d2e82013-12-04 11:08:01 +0100151/* BEGIN_CASE */
Paul Bakker33b43f12013-08-20 11:48:36 +0200152void ecp_test_vect( int id, char *dA_str, char *xA_str, char *yA_str,
153 char *dB_str, char *xB_str, char *yB_str, char *xZ_str,
154 char *yZ_str )
Manuel Pégourié-Gonnard4b8c3f22012-11-07 21:39:45 +0100155{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200156 mbedtls_ecp_group grp;
157 mbedtls_ecp_point R;
158 mbedtls_mpi dA, xA, yA, dB, xB, yB, xZ, yZ;
Manuel Pégourié-Gonnarde09d2f82013-09-02 14:29:09 +0200159 rnd_pseudo_info rnd_info;
Manuel Pégourié-Gonnard4b8c3f22012-11-07 21:39:45 +0100160
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200161 mbedtls_ecp_group_init( &grp ); mbedtls_ecp_point_init( &R );
162 mbedtls_mpi_init( &dA ); mbedtls_mpi_init( &xA ); mbedtls_mpi_init( &yA ); mbedtls_mpi_init( &dB );
163 mbedtls_mpi_init( &xB ); mbedtls_mpi_init( &yB ); mbedtls_mpi_init( &xZ ); mbedtls_mpi_init( &yZ );
Manuel Pégourié-Gonnarde09d2f82013-09-02 14:29:09 +0200164 memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
Manuel Pégourié-Gonnard4b8c3f22012-11-07 21:39:45 +0100165
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200166 TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
Manuel Pégourié-Gonnard4b8c3f22012-11-07 21:39:45 +0100167
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200168 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &grp.G ) == 0 );
Manuel Pégourié-Gonnard1c330572012-11-24 12:05:44 +0100169
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200170 TEST_ASSERT( mbedtls_mpi_read_string( &dA, 16, dA_str ) == 0 );
171 TEST_ASSERT( mbedtls_mpi_read_string( &xA, 16, xA_str ) == 0 );
172 TEST_ASSERT( mbedtls_mpi_read_string( &yA, 16, yA_str ) == 0 );
173 TEST_ASSERT( mbedtls_mpi_read_string( &dB, 16, dB_str ) == 0 );
174 TEST_ASSERT( mbedtls_mpi_read_string( &xB, 16, xB_str ) == 0 );
175 TEST_ASSERT( mbedtls_mpi_read_string( &yB, 16, yB_str ) == 0 );
176 TEST_ASSERT( mbedtls_mpi_read_string( &xZ, 16, xZ_str ) == 0 );
177 TEST_ASSERT( mbedtls_mpi_read_string( &yZ, 16, yZ_str ) == 0 );
Manuel Pégourié-Gonnarde739f012012-11-07 12:24:22 +0100178
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200179 TEST_ASSERT( mbedtls_ecp_mul( &grp, &R, &dA, &grp.G,
Manuel Pégourié-Gonnarde09d2f82013-09-02 14:29:09 +0200180 &rnd_pseudo_rand, &rnd_info ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200181 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.X, &xA ) == 0 );
182 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.Y, &yA ) == 0 );
183 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &R ) == 0 );
184 TEST_ASSERT( mbedtls_ecp_mul( &grp, &R, &dB, &R, NULL, NULL ) == 0 );
185 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.X, &xZ ) == 0 );
186 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.Y, &yZ ) == 0 );
187 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &R ) == 0 );
Manuel Pégourié-Gonnarde739f012012-11-07 12:24:22 +0100188
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200189 TEST_ASSERT( mbedtls_ecp_mul( &grp, &R, &dB, &grp.G, NULL, NULL ) == 0 );
190 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.X, &xB ) == 0 );
191 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.Y, &yB ) == 0 );
192 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &R ) == 0 );
193 TEST_ASSERT( mbedtls_ecp_mul( &grp, &R, &dA, &R,
Manuel Pégourié-Gonnarde09d2f82013-09-02 14:29:09 +0200194 &rnd_pseudo_rand, &rnd_info ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200195 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.X, &xZ ) == 0 );
196 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.Y, &yZ ) == 0 );
197 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &R ) == 0 );
Manuel Pégourié-Gonnarde739f012012-11-07 12:24:22 +0100198
Paul Bakkerbd51b262014-07-10 15:26:12 +0200199exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200200 mbedtls_ecp_group_free( &grp ); mbedtls_ecp_point_free( &R );
201 mbedtls_mpi_free( &dA ); mbedtls_mpi_free( &xA ); mbedtls_mpi_free( &yA ); mbedtls_mpi_free( &dB );
202 mbedtls_mpi_free( &xB ); mbedtls_mpi_free( &yB ); mbedtls_mpi_free( &xZ ); mbedtls_mpi_free( &yZ );
Manuel Pégourié-Gonnard4b8c3f22012-11-07 21:39:45 +0100203}
Paul Bakker33b43f12013-08-20 11:48:36 +0200204/* END_CASE */
Manuel Pégourié-Gonnard84338242012-11-11 20:45:18 +0100205
Paul Bakker33b43f12013-08-20 11:48:36 +0200206/* BEGIN_CASE */
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100207void ecp_test_vec_x( int id, char *dA_hex, char *xA_hex,
208 char *dB_hex, char *xB_hex, char *xS_hex )
209{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200210 mbedtls_ecp_group grp;
211 mbedtls_ecp_point R;
212 mbedtls_mpi dA, xA, dB, xB, xS;
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100213 rnd_pseudo_info rnd_info;
214
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200215 mbedtls_ecp_group_init( &grp ); mbedtls_ecp_point_init( &R );
216 mbedtls_mpi_init( &dA ); mbedtls_mpi_init( &xA );
217 mbedtls_mpi_init( &dB ); mbedtls_mpi_init( &xB );
218 mbedtls_mpi_init( &xS );
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100219 memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
220
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200221 TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100222
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200223 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &grp.G ) == 0 );
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100224
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200225 TEST_ASSERT( mbedtls_mpi_read_string( &dA, 16, dA_hex ) == 0 );
226 TEST_ASSERT( mbedtls_mpi_read_string( &dB, 16, dB_hex ) == 0 );
227 TEST_ASSERT( mbedtls_mpi_read_string( &xA, 16, xA_hex ) == 0 );
228 TEST_ASSERT( mbedtls_mpi_read_string( &xB, 16, xB_hex ) == 0 );
229 TEST_ASSERT( mbedtls_mpi_read_string( &xS, 16, xS_hex ) == 0 );
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100230
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200231 TEST_ASSERT( mbedtls_ecp_mul( &grp, &R, &dA, &grp.G,
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100232 &rnd_pseudo_rand, &rnd_info ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200233 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &R ) == 0 );
234 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.X, &xA ) == 0 );
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100235
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200236 TEST_ASSERT( mbedtls_ecp_mul( &grp, &R, &dB, &R,
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100237 &rnd_pseudo_rand, &rnd_info ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200238 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &R ) == 0 );
239 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.X, &xS ) == 0 );
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100240
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200241 TEST_ASSERT( mbedtls_ecp_mul( &grp, &R, &dB, &grp.G, NULL, NULL ) == 0 );
242 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &R ) == 0 );
243 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.X, &xB ) == 0 );
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100244
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200245 TEST_ASSERT( mbedtls_ecp_mul( &grp, &R, &dA, &R, NULL, NULL ) == 0 );
246 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &R ) == 0 );
247 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R.X, &xS ) == 0 );
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100248
Paul Bakkerbd51b262014-07-10 15:26:12 +0200249exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200250 mbedtls_ecp_group_free( &grp ); mbedtls_ecp_point_free( &R );
251 mbedtls_mpi_free( &dA ); mbedtls_mpi_free( &xA );
252 mbedtls_mpi_free( &dB ); mbedtls_mpi_free( &xB );
253 mbedtls_mpi_free( &xS );
Manuel Pégourié-Gonnarda0179b82013-12-04 11:49:20 +0100254}
255/* END_CASE */
256
257/* BEGIN_CASE */
Paul Bakker33b43f12013-08-20 11:48:36 +0200258void ecp_fast_mod( int id, char *N_str )
Manuel Pégourié-Gonnard84338242012-11-11 20:45:18 +0100259{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200260 mbedtls_ecp_group grp;
261 mbedtls_mpi N, R;
Manuel Pégourié-Gonnard84338242012-11-11 20:45:18 +0100262
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200263 mbedtls_mpi_init( &N ); mbedtls_mpi_init( &R );
264 mbedtls_ecp_group_init( &grp );
Manuel Pégourié-Gonnard84338242012-11-11 20:45:18 +0100265
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200266 TEST_ASSERT( mbedtls_mpi_read_string( &N, 16, N_str ) == 0 );
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200267 TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
Manuel Pégourié-Gonnarde783f062013-10-21 14:52:21 +0200268 TEST_ASSERT( grp.modp != NULL );
Manuel Pégourié-Gonnard84338242012-11-11 20:45:18 +0100269
270 /*
271 * Store correct result before we touch N
272 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200273 TEST_ASSERT( mbedtls_mpi_mod_mpi( &R, &N, &grp.P ) == 0 );
Manuel Pégourié-Gonnard84338242012-11-11 20:45:18 +0100274
275 TEST_ASSERT( grp.modp( &N ) == 0 );
Manuel Pégourié-Gonnardc0696c22015-06-18 16:47:17 +0200276 TEST_ASSERT( mbedtls_mpi_bitlen( &N ) <= grp.pbits + 3 );
Manuel Pégourié-Gonnard84338242012-11-11 20:45:18 +0100277
278 /*
Paul Bakkerd8b0c5e2014-04-11 15:31:33 +0200279 * Use mod rather than addition/subtraction in case previous test fails
Manuel Pégourié-Gonnard84338242012-11-11 20:45:18 +0100280 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200281 TEST_ASSERT( mbedtls_mpi_mod_mpi( &N, &N, &grp.P ) == 0 );
282 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &N, &R ) == 0 );
Manuel Pégourié-Gonnard84338242012-11-11 20:45:18 +0100283
Paul Bakkerbd51b262014-07-10 15:26:12 +0200284exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200285 mbedtls_mpi_free( &N ); mbedtls_mpi_free( &R );
286 mbedtls_ecp_group_free( &grp );
Manuel Pégourié-Gonnard84338242012-11-11 20:45:18 +0100287}
Paul Bakker33b43f12013-08-20 11:48:36 +0200288/* END_CASE */
Manuel Pégourié-Gonnardb4a310b2012-11-13 20:57:00 +0100289
Paul Bakker33b43f12013-08-20 11:48:36 +0200290/* BEGIN_CASE */
291void ecp_write_binary( int id, char *x, char *y, char *z, int format,
292 char *out, int blen, int ret )
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100293{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200294 mbedtls_ecp_group grp;
295 mbedtls_ecp_point P;
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100296 unsigned char buf[256], str[512];
Manuel Pégourié-Gonnard420f1eb2013-02-10 12:22:46 +0100297 size_t olen;
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100298
299 memset( buf, 0, sizeof( buf ) );
300 memset( str, 0, sizeof( str ) );
301
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200302 mbedtls_ecp_group_init( &grp ); mbedtls_ecp_point_init( &P );
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100303
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200304 TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100305
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200306 TEST_ASSERT( mbedtls_mpi_read_string( &P.X, 16, x ) == 0 );
307 TEST_ASSERT( mbedtls_mpi_read_string( &P.Y, 16, y ) == 0 );
308 TEST_ASSERT( mbedtls_mpi_read_string( &P.Z, 16, z ) == 0 );
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100309
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200310 TEST_ASSERT( mbedtls_ecp_point_write_binary( &grp, &P, format,
Paul Bakker33b43f12013-08-20 11:48:36 +0200311 &olen, buf, blen ) == ret );
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100312
Paul Bakker33b43f12013-08-20 11:48:36 +0200313 if( ret == 0 )
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100314 {
Manuel Pégourié-Gonnard37d218a2012-11-24 15:19:55 +0100315 hexify( str, buf, olen );
Paul Bakker33b43f12013-08-20 11:48:36 +0200316 TEST_ASSERT( strcasecmp( (char *) str, out ) == 0 );
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100317 }
318
Paul Bakkerbd51b262014-07-10 15:26:12 +0200319exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200320 mbedtls_ecp_group_free( &grp ); mbedtls_ecp_point_free( &P );
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100321}
Paul Bakker33b43f12013-08-20 11:48:36 +0200322/* END_CASE */
Manuel Pégourié-Gonnarde19feb52012-11-24 14:10:14 +0100323
Paul Bakker33b43f12013-08-20 11:48:36 +0200324/* BEGIN_CASE */
325void ecp_read_binary( int id, char *input, char *x, char *y, char *z,
326 int ret )
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100327{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200328 mbedtls_ecp_group grp;
329 mbedtls_ecp_point P;
330 mbedtls_mpi X, Y, Z;
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100331 int ilen;
332 unsigned char buf[256];
333
334 memset( buf, 0, sizeof( buf ) );
335
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200336 mbedtls_ecp_group_init( &grp ); mbedtls_ecp_point_init( &P );
337 mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &Z );
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100338
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200339 TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100340
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200341 TEST_ASSERT( mbedtls_mpi_read_string( &X, 16, x ) == 0 );
342 TEST_ASSERT( mbedtls_mpi_read_string( &Y, 16, y ) == 0 );
343 TEST_ASSERT( mbedtls_mpi_read_string( &Z, 16, z ) == 0 );
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100344
Paul Bakker33b43f12013-08-20 11:48:36 +0200345 ilen = unhexify( buf, input );
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100346
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200347 TEST_ASSERT( mbedtls_ecp_point_read_binary( &grp, &P, buf, ilen ) == ret );
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100348
Paul Bakker33b43f12013-08-20 11:48:36 +0200349 if( ret == 0 )
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100350 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200351 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &P.X, &X ) == 0 );
352 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &P.Y, &Y ) == 0 );
353 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &P.Z, &Z ) == 0 );
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100354 }
355
Paul Bakkerbd51b262014-07-10 15:26:12 +0200356exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200357 mbedtls_ecp_group_free( &grp ); mbedtls_ecp_point_free( &P );
358 mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y ); mbedtls_mpi_free( &Z );
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100359}
Paul Bakker33b43f12013-08-20 11:48:36 +0200360/* END_CASE */
Manuel Pégourié-Gonnard5e402d82012-11-24 16:19:42 +0100361
Paul Bakker33b43f12013-08-20 11:48:36 +0200362/* BEGIN_CASE */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200363void mbedtls_ecp_tls_read_point( int id, char *input, char *x, char *y, char *z,
Paul Bakker33b43f12013-08-20 11:48:36 +0200364 int ret )
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100365{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200366 mbedtls_ecp_group grp;
367 mbedtls_ecp_point P;
368 mbedtls_mpi X, Y, Z;
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100369 size_t ilen;
370 unsigned char buf[256];
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100371 const unsigned char *vbuf = buf;
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100372
373 memset( buf, 0, sizeof( buf ) );
374
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200375 mbedtls_ecp_group_init( &grp ); mbedtls_ecp_point_init( &P );
376 mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &Z );
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100377
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200378 TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100379
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200380 TEST_ASSERT( mbedtls_mpi_read_string( &X, 16, x ) == 0 );
381 TEST_ASSERT( mbedtls_mpi_read_string( &Y, 16, y ) == 0 );
382 TEST_ASSERT( mbedtls_mpi_read_string( &Z, 16, z ) == 0 );
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100383
Paul Bakker33b43f12013-08-20 11:48:36 +0200384 ilen = unhexify( buf, input );
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100385
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200386 TEST_ASSERT( mbedtls_ecp_tls_read_point( &grp, &P, &vbuf, ilen ) == ret );
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100387
Paul Bakker33b43f12013-08-20 11:48:36 +0200388 if( ret == 0 )
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100389 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200390 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &P.X, &X ) == 0 );
391 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &P.Y, &Y ) == 0 );
392 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &P.Z, &Z ) == 0 );
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100393 TEST_ASSERT( *vbuf == 0x00 );
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100394 }
395
Paul Bakkerbd51b262014-07-10 15:26:12 +0200396exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200397 mbedtls_ecp_group_free( &grp ); mbedtls_ecp_point_free( &P );
398 mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y ); mbedtls_mpi_free( &Z );
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100399}
Paul Bakker33b43f12013-08-20 11:48:36 +0200400/* END_CASE */
Manuel Pégourié-Gonnard8c16f962013-02-10 13:00:20 +0100401
Paul Bakker33b43f12013-08-20 11:48:36 +0200402/* BEGIN_CASE */
403void ecp_tls_write_read_point( int id )
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100404{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200405 mbedtls_ecp_group grp;
406 mbedtls_ecp_point pt;
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100407 unsigned char buf[256];
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100408 const unsigned char *vbuf;
Manuel Pégourié-Gonnard420f1eb2013-02-10 12:22:46 +0100409 size_t olen;
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100410
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200411 mbedtls_ecp_group_init( &grp );
412 mbedtls_ecp_point_init( &pt );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100413
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200414 TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100415
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100416 memset( buf, 0x00, sizeof( buf ) ); vbuf = buf;
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200417 TEST_ASSERT( mbedtls_ecp_tls_write_point( &grp, &grp.G,
418 MBEDTLS_ECP_PF_COMPRESSED, &olen, buf, 256 ) == 0 );
419 TEST_ASSERT( mbedtls_ecp_tls_read_point( &grp, &pt, &vbuf, olen )
420 == MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE );
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100421 TEST_ASSERT( vbuf == buf + olen );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100422
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100423 memset( buf, 0x00, sizeof( buf ) ); vbuf = buf;
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200424 TEST_ASSERT( mbedtls_ecp_tls_write_point( &grp, &grp.G,
425 MBEDTLS_ECP_PF_UNCOMPRESSED, &olen, buf, 256 ) == 0 );
426 TEST_ASSERT( mbedtls_ecp_tls_read_point( &grp, &pt, &vbuf, olen ) == 0 );
427 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &grp.G.X, &pt.X ) == 0 );
428 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &grp.G.Y, &pt.Y ) == 0 );
429 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &grp.G.Z, &pt.Z ) == 0 );
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100430 TEST_ASSERT( vbuf == buf + olen );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100431
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100432 memset( buf, 0x00, sizeof( buf ) ); vbuf = buf;
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200433 TEST_ASSERT( mbedtls_ecp_set_zero( &pt ) == 0 );
434 TEST_ASSERT( mbedtls_ecp_tls_write_point( &grp, &pt,
435 MBEDTLS_ECP_PF_COMPRESSED, &olen, buf, 256 ) == 0 );
436 TEST_ASSERT( mbedtls_ecp_tls_read_point( &grp, &pt, &vbuf, olen ) == 0 );
437 TEST_ASSERT( mbedtls_ecp_is_zero( &pt ) );
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100438 TEST_ASSERT( vbuf == buf + olen );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100439
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100440 memset( buf, 0x00, sizeof( buf ) ); vbuf = buf;
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200441 TEST_ASSERT( mbedtls_ecp_set_zero( &pt ) == 0 );
442 TEST_ASSERT( mbedtls_ecp_tls_write_point( &grp, &pt,
443 MBEDTLS_ECP_PF_UNCOMPRESSED, &olen, buf, 256 ) == 0 );
444 TEST_ASSERT( mbedtls_ecp_tls_read_point( &grp, &pt, &vbuf, olen ) == 0 );
445 TEST_ASSERT( mbedtls_ecp_is_zero( &pt ) );
Manuel Pégourié-Gonnard98f51812013-02-10 13:38:29 +0100446 TEST_ASSERT( vbuf == buf + olen );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100447
Paul Bakkerbd51b262014-07-10 15:26:12 +0200448exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200449 mbedtls_ecp_group_free( &grp );
450 mbedtls_ecp_point_free( &pt );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100451}
Paul Bakker33b43f12013-08-20 11:48:36 +0200452/* END_CASE */
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100453
Paul Bakker33b43f12013-08-20 11:48:36 +0200454/* BEGIN_CASE */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200455void mbedtls_ecp_tls_read_group( char *record, int result, int bits )
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100456{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200457 mbedtls_ecp_group grp;
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100458 unsigned char buf[10];
Manuel Pégourié-Gonnard7c145c62013-02-10 13:20:52 +0100459 const unsigned char *vbuf = buf;
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100460 int len, ret;
461
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200462 mbedtls_ecp_group_init( &grp );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100463 memset( buf, 0x00, sizeof( buf ) );
464
Paul Bakker33b43f12013-08-20 11:48:36 +0200465 len = unhexify( buf, record );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100466
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200467 ret = mbedtls_ecp_tls_read_group( &grp, &vbuf, len );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100468
Paul Bakker33b43f12013-08-20 11:48:36 +0200469 TEST_ASSERT( ret == result );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100470 if( ret == 0)
Manuel Pégourié-Gonnard7c145c62013-02-10 13:20:52 +0100471 {
Manuel Pégourié-Gonnardc0696c22015-06-18 16:47:17 +0200472 TEST_ASSERT( mbedtls_mpi_bitlen( &grp.P ) == (size_t) bits );
Manuel Pégourié-Gonnard7c145c62013-02-10 13:20:52 +0100473 TEST_ASSERT( *vbuf == 0x00 );
474 }
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100475
Paul Bakkerbd51b262014-07-10 15:26:12 +0200476exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200477 mbedtls_ecp_group_free( &grp );
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100478}
Paul Bakker33b43f12013-08-20 11:48:36 +0200479/* END_CASE */
Manuel Pégourié-Gonnard6282aca2013-02-10 11:15:11 +0100480
Paul Bakker33b43f12013-08-20 11:48:36 +0200481/* BEGIN_CASE */
482void ecp_tls_write_read_group( int id )
Manuel Pégourié-Gonnard46106a92013-02-10 12:51:17 +0100483{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200484 mbedtls_ecp_group grp1, grp2;
Manuel Pégourié-Gonnard46106a92013-02-10 12:51:17 +0100485 unsigned char buf[10];
Manuel Pégourié-Gonnard7c145c62013-02-10 13:20:52 +0100486 const unsigned char *vbuf = buf;
Manuel Pégourié-Gonnard46106a92013-02-10 12:51:17 +0100487 size_t len;
488 int ret;
489
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200490 mbedtls_ecp_group_init( &grp1 );
491 mbedtls_ecp_group_init( &grp2 );
Manuel Pégourié-Gonnard46106a92013-02-10 12:51:17 +0100492 memset( buf, 0x00, sizeof( buf ) );
493
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200494 TEST_ASSERT( mbedtls_ecp_group_load( &grp1, id ) == 0 );
Manuel Pégourié-Gonnard46106a92013-02-10 12:51:17 +0100495
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200496 TEST_ASSERT( mbedtls_ecp_tls_write_group( &grp1, &len, buf, 10 ) == 0 );
497 ret = mbedtls_ecp_tls_read_group( &grp2, &vbuf, len );
Paul Bakker94b916c2014-04-17 16:07:20 +0200498 TEST_ASSERT( ret == 0 );
Manuel Pégourié-Gonnard46106a92013-02-10 12:51:17 +0100499
500 if( ret == 0 )
501 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200502 TEST_ASSERT( mbedtls_mpi_cmp_mpi( &grp1.N, &grp2.N ) == 0 );
Manuel Pégourié-Gonnard46106a92013-02-10 12:51:17 +0100503 TEST_ASSERT( grp1.id == grp2.id );
504 }
505
Paul Bakkerbd51b262014-07-10 15:26:12 +0200506exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200507 mbedtls_ecp_group_free( &grp1 );
508 mbedtls_ecp_group_free( &grp2 );
Manuel Pégourié-Gonnard46106a92013-02-10 12:51:17 +0100509}
Paul Bakker33b43f12013-08-20 11:48:36 +0200510/* END_CASE */
Manuel Pégourié-Gonnard46106a92013-02-10 12:51:17 +0100511
Paul Bakker33b43f12013-08-20 11:48:36 +0200512/* BEGIN_CASE */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200513void mbedtls_ecp_check_privkey( int id, char *key_hex, int ret )
Manuel Pégourié-Gonnardc8dc2952013-07-01 14:06:13 +0200514{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200515 mbedtls_ecp_group grp;
516 mbedtls_mpi d;
Manuel Pégourié-Gonnardc8dc2952013-07-01 14:06:13 +0200517
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200518 mbedtls_ecp_group_init( &grp );
519 mbedtls_mpi_init( &d );
Manuel Pégourié-Gonnardc8dc2952013-07-01 14:06:13 +0200520
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200521 TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200522 TEST_ASSERT( mbedtls_mpi_read_string( &d, 16, key_hex ) == 0 );
Manuel Pégourié-Gonnardc8dc2952013-07-01 14:06:13 +0200523
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200524 TEST_ASSERT( mbedtls_ecp_check_privkey( &grp, &d ) == ret );
Manuel Pégourié-Gonnardc8dc2952013-07-01 14:06:13 +0200525
Paul Bakkerbd51b262014-07-10 15:26:12 +0200526exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200527 mbedtls_ecp_group_free( &grp );
528 mbedtls_mpi_free( &d );
Manuel Pégourié-Gonnardc8dc2952013-07-01 14:06:13 +0200529}
Paul Bakker33b43f12013-08-20 11:48:36 +0200530/* END_CASE */
Manuel Pégourié-Gonnardc8dc2952013-07-01 14:06:13 +0200531
Paul Bakker33b43f12013-08-20 11:48:36 +0200532/* BEGIN_CASE */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200533void mbedtls_ecp_check_pub_priv( int id_pub, char *Qx_pub, char *Qy_pub,
Manuel Pégourié-Gonnard30668d62014-11-06 15:25:32 +0100534 int id, char *d, char *Qx, char *Qy, int ret )
535{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200536 mbedtls_ecp_keypair pub, prv;
Manuel Pégourié-Gonnard30668d62014-11-06 15:25:32 +0100537
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200538 mbedtls_ecp_keypair_init( &pub );
539 mbedtls_ecp_keypair_init( &prv );
Manuel Pégourié-Gonnard30668d62014-11-06 15:25:32 +0100540
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200541 if( id_pub != MBEDTLS_ECP_DP_NONE )
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200542 TEST_ASSERT( mbedtls_ecp_group_load( &pub.grp, id_pub ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200543 TEST_ASSERT( mbedtls_ecp_point_read_string( &pub.Q, 16, Qx_pub, Qy_pub ) == 0 );
Manuel Pégourié-Gonnard30668d62014-11-06 15:25:32 +0100544
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200545 if( id != MBEDTLS_ECP_DP_NONE )
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200546 TEST_ASSERT( mbedtls_ecp_group_load( &prv.grp, id ) == 0 );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200547 TEST_ASSERT( mbedtls_ecp_point_read_string( &prv.Q, 16, Qx, Qy ) == 0 );
548 TEST_ASSERT( mbedtls_mpi_read_string( &prv.d, 16, d ) == 0 );
Manuel Pégourié-Gonnard30668d62014-11-06 15:25:32 +0100549
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200550 TEST_ASSERT( mbedtls_ecp_check_pub_priv( &pub, &prv ) == ret );
Manuel Pégourié-Gonnard30668d62014-11-06 15:25:32 +0100551
552exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200553 mbedtls_ecp_keypair_free( &pub );
554 mbedtls_ecp_keypair_free( &prv );
Manuel Pégourié-Gonnard30668d62014-11-06 15:25:32 +0100555}
556/* END_CASE */
557
558/* BEGIN_CASE */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200559void mbedtls_ecp_gen_keypair( int id )
Manuel Pégourié-Gonnard45a035a2013-01-26 14:42:45 +0100560{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200561 mbedtls_ecp_group grp;
562 mbedtls_ecp_point Q;
563 mbedtls_mpi d;
Manuel Pégourié-Gonnard45a035a2013-01-26 14:42:45 +0100564 rnd_pseudo_info rnd_info;
565
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200566 mbedtls_ecp_group_init( &grp );
567 mbedtls_ecp_point_init( &Q );
568 mbedtls_mpi_init( &d );
Manuel Pégourié-Gonnard45a035a2013-01-26 14:42:45 +0100569 memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
570
Manuel Pégourié-Gonnarde3a062b2015-05-11 18:46:47 +0200571 TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
Manuel Pégourié-Gonnard45a035a2013-01-26 14:42:45 +0100572
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200573 TEST_ASSERT( mbedtls_ecp_gen_keypair( &grp, &d, &Q, &rnd_pseudo_rand, &rnd_info )
Manuel Pégourié-Gonnard45a035a2013-01-26 14:42:45 +0100574 == 0 );
575
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200576 TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &Q ) == 0 );
577 TEST_ASSERT( mbedtls_ecp_check_privkey( &grp, &d ) == 0 );
Manuel Pégourié-Gonnard45a035a2013-01-26 14:42:45 +0100578
Paul Bakkerbd51b262014-07-10 15:26:12 +0200579exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200580 mbedtls_ecp_group_free( &grp );
581 mbedtls_ecp_point_free( &Q );
582 mbedtls_mpi_free( &d );
Manuel Pégourié-Gonnard45a035a2013-01-26 14:42:45 +0100583}
Paul Bakker33b43f12013-08-20 11:48:36 +0200584/* END_CASE */
Manuel Pégourié-Gonnard45a035a2013-01-26 14:42:45 +0100585
Manuel Pégourié-Gonnard104ee1d2013-11-30 14:13:16 +0100586/* BEGIN_CASE */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200587void mbedtls_ecp_gen_key( int id )
Manuel Pégourié-Gonnard104ee1d2013-11-30 14:13:16 +0100588{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200589 mbedtls_ecp_keypair key;
Manuel Pégourié-Gonnard104ee1d2013-11-30 14:13:16 +0100590 rnd_pseudo_info rnd_info;
591
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200592 mbedtls_ecp_keypair_init( &key );
Manuel Pégourié-Gonnard104ee1d2013-11-30 14:13:16 +0100593 memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
594
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200595 TEST_ASSERT( mbedtls_ecp_gen_key( id, &key, &rnd_pseudo_rand, &rnd_info ) == 0 );
Manuel Pégourié-Gonnard104ee1d2013-11-30 14:13:16 +0100596
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200597 TEST_ASSERT( mbedtls_ecp_check_pubkey( &key.grp, &key.Q ) == 0 );
598 TEST_ASSERT( mbedtls_ecp_check_privkey( &key.grp, &key.d ) == 0 );
Manuel Pégourié-Gonnard104ee1d2013-11-30 14:13:16 +0100599
Paul Bakkerbd51b262014-07-10 15:26:12 +0200600exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200601 mbedtls_ecp_keypair_free( &key );
Manuel Pégourié-Gonnard104ee1d2013-11-30 14:13:16 +0100602}
603/* END_CASE */
604
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200605/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
Paul Bakker33b43f12013-08-20 11:48:36 +0200606void ecp_selftest()
Manuel Pégourié-Gonnardb4a310b2012-11-13 20:57:00 +0100607{
Andres AG93012e82016-09-09 09:10:28 +0100608 TEST_ASSERT( mbedtls_ecp_self_test( 1 ) == 0 );
Manuel Pégourié-Gonnardb4a310b2012-11-13 20:57:00 +0100609}
Paul Bakker33b43f12013-08-20 11:48:36 +0200610/* END_CASE */