crypto/external/bsd/heimdal/dist/lib/hcrypto/bn.h

   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