xref: /netbsd-src/crypto/external/bsd/heimdal/dist/lib/hcrypto/ec.h (revision d3273b5b76f5afaafe308cead5511dbb8df8c5e9)
1 /*	$NetBSD: ec.h,v 1.2 2017/01/28 21:31:47 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 2009-2016 Kungliga Tekniska H�gskolan
5  * (Royal Institute of Technology, Stockholm, Sweden).
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * 3. Neither the name of the Institute nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #ifndef HEIM_EC_H
37 #define HEIM_EC_H 1
38 
39 #define EC_KEY hc_EC_KEY
40 #define EC_GROUP hc_EC_GROUP
41 #define EC_GROUP_ID hc_EC_GROUP_ID
42 #define EC_GROUP_ID_s hc_EC_GROUP_ID_s
43 #define EC_GROUP_get_degree hc_EC_GROUP_get_degree
44 #define EC_KEY_get0_group hc_EC_KEY_get0_group
45 #define EC_GROUP_get_order hc_EC_GROUP_get_order
46 #define o2i_ECPublicKey hc_o2i_ECPublicKey
47 #define EC_KEY_free hc_EC_KEY_free
48 #define EC_GROUP_new_by_curve_name hc_EC_GROUP_new_by_curve_name
49 #define EC_KEY_set_group hc_EC_KEY_set_group
50 #define EC_GROUP_free hc_EC_GROUP_free
51 #define EC_KEY_check_key hc_EC_KEY_check_key
52 #define EC_KEY_get0_private_key hc_EC_KEY_get0_private_key
53 #define EC_KEY_set_private_key hc_EC_KEY_set_private_key
54 
55 #include <hcrypto/bn.h>
56 #include <hcrypto/engine.h>
57 
58 typedef struct EC_KEY EC_KEY;
59 typedef struct EC_GROUP EC_GROUP;
60 typedef struct EC_GROUP_ID_s *EC_GROUP_ID;
61 
62 unsigned long
63 EC_GROUP_get_degree(EC_GROUP *);
64 
65 EC_GROUP *
66 EC_KEY_get0_group(EC_KEY *);
67 
68 int
69 EC_GROUP_get_order(EC_GROUP *, BIGNUM *, BN_CTX *);
70 
71 EC_KEY *
72 o2i_ECPublicKey(EC_KEY **key, unsigned char **, size_t);
73 
74 EC_KEY *
75 EC_KEY_new_by_curve_name(EC_GROUP_ID);
76 
77 int
78 EC_KEY_generate_key(EC_KEY *);
79 
80 void
81 EC_KEY_free(EC_KEY *);
82 
83 EC_GROUP *
84 EC_GROUP_new_by_curve_name(int nid);
85 
86 void
87 EC_KEY_set_group(EC_KEY *, EC_GROUP *);
88 
89 void
90 EC_GROUP_free(EC_GROUP *);
91 
92 int
93 EC_KEY_check_key(const EC_KEY *);
94 
95 const BIGNUM *EC_KEY_get0_private_key(const EC_KEY *);
96 
97 int EC_KEY_set_private_key(EC_KEY *, const BIGNUM *);
98 
99 #endif /* HEIM_EC_H */
100