2 * Copyright (c) 2009 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
63 EC_GROUP_get_degree(EC_GROUP *)
68 EC_KEY_get0_group(EC_KEY *)
73 EC_GROUP_get_order(EC_GROUP *, BIGNUM *, BN_CTX *)
78 o2i_ECPublicKey(EC_KEY **key, unsigned char **, size_t)
89 EC_GROUP_new_by_curve_name(int nid)
94 EC_KEY_new_by_curve_name(EC_GROUP_ID nid)
98 key = calloc(1, sizeof(*key));
103 EC_POINT_free(EC_POINT *p)
105 mp_clear_multi(&p->x, p->y, p->z, NULL);
110 ec_point_mul(EC_POINT *res, const EC_GROUP *group, const mp_int *point)
119 p = calloc(1, sizeof(*p));
121 if (mp_init_multi(&p->x, &p->y, &p->z, NULL) != 0) {
130 EC_KEY_generate_key(EC_KEY *key)
134 if (key->group == NULL)
138 random(key->privkey, key->group->size);
139 } while(mp_cmp(key->privkey, key->group->order) >= 0);
141 if (key->pubkey == NULL)
142 key->pubkey = EC_POINT_new();
144 if (ec_point_mul(&key->pubkey, key->group, key->privkey) != 1)
155 EC_KEY_set_group(EC_KEY *, EC_GROUP *)
161 EC_GROUP_free(EC_GROUP *)
166 EC_KEY_check_key(const EC_KEY *)
171 EC_KEY_get0_private_key(const EC_KEY *key)
176 EC_KEY_set_private_key(EC_KEY *key, const BIGNUM *bn)