crypto/openssh/bufbn.c

   1 /* $OpenBSD: bufbn.c,v 1.13 2017/04/30 23:23:54 djm Exp $ */
   2
   3 /*
   4  * Copyright (c) 2012 Damien Miller <djm@mindrot.org>
   5  *
   6  * Permission to use, copy, modify, and distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18
  19 /* Emulation wrappers for legacy OpenSSH buffer API atop sshbuf */
  20
  21 #include "includes.h"
  22
  23 #ifdef WITH_OPENSSL
  24
  25 #include <sys/types.h>
  26
  27 #include "buffer.h"
  28 #include "log.h"
  29 #include "ssherr.h"
  30
  31 int
  32 buffer_put_bignum2_ret(Buffer *buffer, const BIGNUM *value)
  33 {
  34         int ret;
  35
  36         if ((ret = sshbuf_put_bignum2(buffer, value)) != 0) {
  37                 error("%s: %s", __func__, ssh_err(ret));
  38                 return -1;
  39         }
  40         return 0;
  41 }
  42
  43 void
  44 buffer_put_bignum2(Buffer *buffer, const BIGNUM *value)
  45 {
  46         if (buffer_put_bignum2_ret(buffer, value) == -1)
  47                 fatal("%s: buffer error", __func__);
  48 }
  49
  50 int
  51 buffer_get_bignum2_ret(Buffer *buffer, BIGNUM *value)
  52 {
  53         int ret;
  54
  55         if ((ret = sshbuf_get_bignum2(buffer, value)) != 0) {
  56                 error("%s: %s", __func__, ssh_err(ret));
  57                 return -1;
  58         }
  59         return 0;
  60 }
  61
  62 void
  63 buffer_get_bignum2(Buffer *buffer, BIGNUM *value)
  64 {
  65         if (buffer_get_bignum2_ret(buffer, value) == -1)
  66                 fatal("%s: buffer error", __func__);
  67 }
  68
  69 #endif /* WITH_OPENSSL */