text: /* $OpenBSD: bufbn.c,v 1.12 2014/04/30 05:29:56 djm Exp $ */
  
  /*
   * Copyright (c) 2012 Damien Miller <djm@mindrot.org>
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  
  /* Emulation wrappers for legacy OpenSSH buffer API atop sshbuf */
  
  #include "includes.h"
  
  #include <sys/types.h>
  
  #include "buffer.h"
  #include "log.h"
  #include "ssherr.h"
  
  int
  buffer_put_bignum_ret(Buffer *buffer, const BIGNUM *value)
  {
  	int ret;
  
  	if ((ret = sshbuf_put_bignum1(buffer, value)) != 0) {
  		error("%s: %s", __func__, ssh_err(ret));
  		return -1;
  	}
  	return 0;
  }
  
  void
  buffer_put_bignum(Buffer *buffer, const BIGNUM *value)
  {
  	if (buffer_put_bignum_ret(buffer, value) == -1)
  		fatal("%s: buffer error", __func__);
  }
  
  int
  buffer_get_bignum_ret(Buffer *buffer, BIGNUM *value)
  {
  	int ret;
  
  	if ((ret = sshbuf_get_bignum1(buffer, value)) != 0) {
  		error("%s: %s", __func__, ssh_err(ret));
  		return -1;
  	}
  	return 0;
  }
  
  void
  buffer_get_bignum(Buffer *buffer, BIGNUM *value)
  {
  	if (buffer_get_bignum_ret(buffer, value) == -1)
  		fatal("%s: buffer error", __func__);
  }
  
  int
  buffer_put_bignum2_ret(Buffer *buffer, const BIGNUM *value)
  {
  	int ret;
  
  	if ((ret = sshbuf_put_bignum2(buffer, value)) != 0) {
  		error("%s: %s", __func__, ssh_err(ret));
  		return -1;
  	}
  	return 0;
  }
  
  void
  buffer_put_bignum2(Buffer *buffer, const BIGNUM *value)
  {
  	if (buffer_put_bignum2_ret(buffer, value) == -1)
  		fatal("%s: buffer error", __func__);
  }
  
  int
  buffer_get_bignum2_ret(Buffer *buffer, BIGNUM *value)
  {
  	int ret;
  
  	if ((ret = sshbuf_get_bignum2(buffer, value)) != 0) {
  		error("%s: %s", __func__, ssh_err(ret));
  		return -1;
  	}
  	return 0;
  }
  
  void
  buffer_get_bignum2(Buffer *buffer, BIGNUM *value)
  {
  	if (buffer_get_bignum2_ret(buffer, value) == -1)
  		fatal("%s: buffer error", __func__);
  }
  