lib/hcrypto/ec.h

   1 /*
   2  * Copyright (c) 2009-2016 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_KEY hc_EC_KEY
  38 #define EC_GROUP hc_EC_GROUP
  39 #define EC_GROUP_ID hc_EC_GROUP_ID
  40 #define EC_GROUP_ID_s hc_EC_GROUP_ID_s
  41 #define EC_GROUP_get_degree hc_EC_GROUP_get_degree
  42 #define EC_KEY_get0_group hc_EC_KEY_get0_group
  43 #define EC_GROUP_get_order hc_EC_GROUP_get_order
  44 #define o2i_ECPublicKey hc_o2i_ECPublicKey
  45 #define EC_KEY_free hc_EC_KEY_free
  46 #define EC_GROUP_new_by_curve_name hc_EC_GROUP_new_by_curve_name
  47 #define EC_KEY_set_group hc_EC_KEY_set_group
  48 #define EC_GROUP_free hc_EC_GROUP_free
  49 #define EC_KEY_check_key hc_EC_KEY_check_key
  50 #define EC_KEY_get0_private_key hc_EC_KEY_get0_private_key
  51 #define EC_KEY_set_private_key hc_EC_KEY_set_private_key
  52
  53 #include <hcrypto/bn.h>
  54 #include <hcrypto/engine.h>
  55
  56 typedef struct EC_KEY EC_KEY;
  57 typedef struct EC_GROUP EC_GROUP;
  58 typedef struct EC_GROUP_ID_s *EC_GROUP_ID;
  59
  60 unsigned long
  61 EC_GROUP_get_degree(EC_GROUP *);
  62
  63 EC_GROUP *
  64 EC_KEY_get0_group(EC_KEY *);
  65
  66 int
  67 EC_GROUP_get_order(EC_GROUP *, BIGNUM *, BN_CTX *);
  68
  69 EC_KEY *
  70 o2i_ECPublicKey(EC_KEY **key, unsigned char **, size_t);
  71
  72 EC_KEY *
  73 EC_KEY_new_by_curve_name(EC_GROUP_ID);
  74
  75 int
  76 EC_KEY_generate_key(EC_KEY *);
  77
  78 void
  79 EC_KEY_free(EC_KEY *);
  80
  81 EC_GROUP *
  82 EC_GROUP_new_by_curve_name(int nid);
  83
  84 void
  85 EC_KEY_set_group(EC_KEY *, EC_GROUP *);
  86
  87 void
  88 EC_GROUP_free(EC_GROUP *);
  89
  90 int
  91 EC_KEY_check_key(const EC_KEY *);
  92
  93 const BIGNUM *EC_KEY_get0_private_key(const EC_KEY *);
  94
  95 int EC_KEY_set_private_key(EC_KEY *, const BIGNUM *);
  96
  97 #endif /* HEIM_EC_H */