1 /*	$NetBSD: bn.h,v 1.1.1.2 2011/04/14 14:08:30 elric Exp $	*/
2 
3 /*
4  * Copyright (c) 2006 Kungliga Tekniska Högskolan
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 
77 typedef struct BIGNUM BIGNUM;
78 typedef struct BN_GENCB BN_GENCB;
79 typedef struct BN_CTX BN_CTX;
80 typedef struct BN_MONT_CTX BN_MONT_CTX;
81 typedef struct BN_BLINDING BN_BLINDING;
82 
83 struct 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 
95 BIGNUM *BN_new(void);
96 void	BN_free(BIGNUM *);
97 void	BN_clear_free(BIGNUM *);
98 void	BN_clear(BIGNUM *);
99 BIGNUM *BN_dup(const BIGNUM *);
100 
101 int	BN_num_bits(const BIGNUM *);
102 int	BN_num_bytes(const BIGNUM *);
103 
104 int	BN_cmp(const BIGNUM *, const BIGNUM *);
105 
106 void	BN_set_negative(BIGNUM *, int);
107 int	BN_is_negative(const BIGNUM *);
108 
109 int	BN_is_bit_set(const BIGNUM *, int);
110 int	BN_set_bit(BIGNUM *, int);
111 int	BN_clear_bit(BIGNUM *, int);
112 
113 int	BN_set_word(BIGNUM *, unsigned long);
114 unsigned long BN_get_word(const BIGNUM *);
115 
116 BIGNUM *BN_bin2bn(const void *,int len,BIGNUM *);
117 int	BN_bn2bin(const BIGNUM *, void *);
118 int 	BN_hex2bn(BIGNUM **, const char *);
119 char *	BN_bn2hex(const BIGNUM *);
120 
121 int	BN_uadd(BIGNUM *, const BIGNUM *, const BIGNUM *);
122 
123 int	BN_rand(BIGNUM *, int, int, int);
124 
125 void	BN_GENCB_set(BN_GENCB *, int (*)(int, int, BN_GENCB *), void *);
126 int	BN_GENCB_call(BN_GENCB *, int, int);
127 
128 BN_CTX *BN_CTX_new(void);
129 void	BN_CTX_free(BN_CTX *);
130 BIGNUM *BN_CTX_get(BN_CTX *);
131 void	BN_CTX_start(BN_CTX *);
132 void	BN_CTX_end(BN_CTX *);
133 
134 #endif
135