lib/hcrypto/ec.h

   1 /*
   2  * Copyright (c) 2009 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 #ifndef HEIM_EC_H
  35 #define HEIM_EC_H 1
  36
  37 #define EC_GROUP_get_degree hc_EC_GROUP_get_degree
  38 #define EC_KEY_get0_group hc_EC_KEY_get0_group
  39
  40
  41 #include <hcrypto/bn.h>
  42 #include <hcrypto/engine.h>
  43
  44 struct EC_KEY;
  45 struct EC_GROUP;
  46
  47 typedef struct EC_KEY EC_KEY;
  48 typedef struct EC_GROUP EC_GROUP;
  49
  50 unsigned long
  51 EC_GROUP_get_degree(EC_GROUP *);
  52
  53 EC_GROUP *
  54 EC_KEY_get0_group(EC_KEY *);
  55
  56 int
  57 EC_GROUP_get_order(EC_GROUP *, BIGNUM *, BN_CTX *);
  58
  59 EC_KEY *
  60 o2i_ECPublicKey(EC_KEY **key, unsigned char **, size_t);
  61
  62 void
  63 EC_KEY_free(EC_KEY *);
  64
  65 EC_KEY *
  66 EC_KEY_free(void);
  67
  68 EC_GROUP *
  69 EC_GROUP_new_by_curve_name(int nid);
  70
  71 void
  72 EC_KEY_set_group(EC_KEY *, EC_GROUP *);
  73
  74 void
  75 EC_GROUP_free(EC_GROUP *);
  76
  77 int
  78 EC_KEY_check_key(const EC_KEY *);
  79
  80 const BIGNUM *EC_KEY_get0_private_key(const EC_KEY *);
  81
  82 int EC_KEY_set_private_key(EC_KEY *, const BIGNUM *);
  83
  84 #endif /* HEIM_EC_H */