lib/hcrypto/bn.h

   1 /*
   2  * Copyright (c) 2006 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  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.
  16  *
  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.
  20  *
  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
  31  * SUCH DAMAGE.
  32  */
  33
  34 /*
  35  * $Id$
  36  */
  37
  38 #ifndef _HEIM_BN_H
  39 #define _HEIM_BN_H 1
  40
  41 /* symbol renaming */
  42 #define BN_GENCB_call hc_BN_GENCB_call
  43 #define BN_GENCB_set hc_BN_GENCB_set
  44 #define BN_bin2bn hc_BN_bin2bn
  45 #define BN_bn2bin hc_BN_bn2bin
  46 #define BN_bn2hex hc_BN_bn2hex
  47 #define BN_clear hc_BN_clear
  48 #define BN_clear_bit hc_BN_clear_bit
  49 #define BN_clear_free hc_BN_clear_free
  50 #define BN_cmp hc_BN_cmp
  51 #define BN_dup hc_BN_dup
  52 #define BN_free hc_BN_free
  53 #define BN_is_negative hc_BN_is_negative
  54 #define BN_get_word hc_BN_get_word
  55 #define BN_hex2bn hc_BN_hex2bn
  56 #define BN_is_bit_set hc_BN_is_bit_set
  57 #define BN_new hc_BN_new
  58 #define BN_num_bits hc_BN_num_bits
  59 #define BN_num_bytes hc_BN_num_bytes
  60 #define BN_rand hc_BN_rand
  61 #define BN_set_bit hc_BN_set_bit
  62 #define BN_set_negative hc_BN_set_negative
  63 #define BN_set_word hc_BN_set_word
  64 #define BN_uadd hc_BN_uadd
  65
  66 /*
  67  *
  68  */
  69
  70 typedef void BIGNUM;
  71 typedef struct BN_GENCB BN_GENCB;
  72 typedef void BN_CTX;
  73 typedef void BN_MONT_CTX;
  74 typedef void BN_BLINDING;
  75
  76 struct BN_GENCB {
  77     unsigned int ver;
  78     void *arg;
  79     union {
  80         int (*cb_2)(int, int, BN_GENCB *);
  81     } cb;
  82 };
  83
  84 /*
  85  *
  86  */
  87
  88 BIGNUM *BN_new(void);
  89 void    BN_free(BIGNUM *);
  90 void    BN_clear_free(BIGNUM *);
  91 void    BN_clear(BIGNUM *);
  92 BIGNUM *BN_dup(const BIGNUM *);
  93
  94 int     BN_num_bits(const BIGNUM *);
  95 int     BN_num_bytes(const BIGNUM *);
  96
  97 int     BN_cmp(const BIGNUM *, const BIGNUM *);
  98
  99 void    BN_set_negative(BIGNUM *, int);
 100 int     BN_is_negative(const BIGNUM *);
 101
 102 int     BN_is_bit_set(const BIGNUM *, int);
 103 int     BN_set_bit(BIGNUM *, int);
 104 int     BN_clear_bit(BIGNUM *, int);
 105
 106 int     BN_set_word(BIGNUM *, unsigned long);
 107 unsigned long BN_get_word(const BIGNUM *);
 108
 109 BIGNUM *BN_bin2bn(const void *,int len,BIGNUM *);
 110 int     BN_bn2bin(const BIGNUM *, void *);
 111 int     BN_hex2bn(BIGNUM **, const char *);
 112 char *  BN_bn2hex(const BIGNUM *);
 113
 114 int     BN_uadd(BIGNUM *, const BIGNUM *, const BIGNUM *);
 115
 116 int     BN_rand(BIGNUM *, int, int, int);
 117
 118 void    BN_GENCB_set(BN_GENCB *, int (*)(int, int, BN_GENCB *), void *);
 119 int     BN_GENCB_call(BN_GENCB *, int, int);
 120
 121 #endif