1/*	$NetBSD$	*/
2
3/*
4 * Copyright (c) 2006 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/*
37 * Id
38 */
39
40#ifndef _HEIM_BN_H
41#define _HEIM_BN_H 1
42
43/* symbol renaming */
44#define BN_GENCB_call hc_BN_GENCB_call
45#define BN_GENCB_set hc_BN_GENCB_set
46#define BN_bin2bn hc_BN_bin2bn
47#define BN_bn2bin hc_BN_bn2bin
48#define BN_bn2hex hc_BN_bn2hex
49#define BN_clear hc_BN_clear
50#define BN_clear_bit hc_BN_clear_bit
51#define BN_clear_free hc_BN_clear_free
52#define BN_cmp hc_BN_cmp
53#define BN_dup hc_BN_dup
54#define BN_free hc_BN_free
55#define BN_is_negative hc_BN_is_negative
56#define BN_get_word hc_BN_get_word
57#define BN_hex2bn hc_BN_hex2bn
58#define BN_is_bit_set hc_BN_is_bit_set
59#define BN_new hc_BN_new
60#define BN_num_bits hc_BN_num_bits
61#define BN_num_bytes hc_BN_num_bytes
62#define BN_rand hc_BN_rand
63#define BN_set_bit hc_BN_set_bit
64#define BN_set_negative hc_BN_set_negative
65#define BN_set_word hc_BN_set_word
66#define BN_uadd hc_BN_uadd
67#define BN_CTX_new hc_BN_CTX_new
68#define BN_CTX_free hc_BN_CTX_free
69#define BN_CTX_get hc_BN_CTX_get
70#define BN_CTX_start hc_BN_CTX_start
71#define BN_CTX_end hc_BN_CTX_end
72
73/*
74 *
75 */
76
77typedef struct BIGNUM BIGNUM;
78typedef struct BN_GENCB BN_GENCB;
79typedef struct BN_CTX BN_CTX;
80typedef struct BN_MONT_CTX BN_MONT_CTX;
81typedef struct BN_BLINDING BN_BLINDING;
82
83struct BN_GENCB {
84    unsigned int ver;
85    void *arg;
86    union {
87	int (*cb_2)(int, int, BN_GENCB *);
88    } cb;
89};
90
91/*
92 *
93 */
94
95BIGNUM *BN_new(void);
96void	BN_free(BIGNUM *);
97void	BN_clear_free(BIGNUM *);
98void	BN_clear(BIGNUM *);
99BIGNUM *BN_dup(const BIGNUM *);
100
101int	BN_num_bits(const BIGNUM *);
102int	BN_num_bytes(const BIGNUM *);
103
104int	BN_cmp(const BIGNUM *, const BIGNUM *);
105
106void	BN_set_negative(BIGNUM *, int);
107int	BN_is_negative(const BIGNUM *);
108
109int	BN_is_bit_set(const BIGNUM *, int);
110int	BN_set_bit(BIGNUM *, int);
111int	BN_clear_bit(BIGNUM *, int);
112
113int	BN_set_word(BIGNUM *, unsigned long);
114unsigned long BN_get_word(const BIGNUM *);
115
116BIGNUM *BN_bin2bn(const void *,int len,BIGNUM *);
117int	BN_bn2bin(const BIGNUM *, void *);
118int 	BN_hex2bn(BIGNUM **, const char *);
119char *	BN_bn2hex(const BIGNUM *);
120
121int	BN_uadd(BIGNUM *, const BIGNUM *, const BIGNUM *);
122
123int	BN_rand(BIGNUM *, int, int, int);
124
125void	BN_GENCB_set(BN_GENCB *, int (*)(int, int, BN_GENCB *), void *);
126int	BN_GENCB_call(BN_GENCB *, int, int);
127
128BN_CTX *BN_CTX_new(void);
129void	BN_CTX_free(BN_CTX *);
130BIGNUM *BN_CTX_get(BN_CTX *);
131void	BN_CTX_start(BN_CTX *);
132void	BN_CTX_end(BN_CTX *);
133
134#endif
135