freebsd-skq/sys/netinet6/esp_aesctr.h
ume fd41336ef5 - support AES counter mode for ESP.
- use size_t as return type of schedlen(), as there's no error
  check needed.
- clear key schedule buffer before freeing.

Obtained from:	KAME
2003-10-13 14:57:41 +00:00

43 lines
2.1 KiB
C

/* $KAME: esp_aesctr.h,v 1.2 2003/07/20 00:29:38 itojun Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, 1998 and 2003 WIDE Project.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
extern int esp_aesctr_mature __P((struct secasvar *));
extern size_t esp_aesctr_schedlen __P((const struct esp_algorithm *));
extern int esp_aesctr_schedule __P((const struct esp_algorithm *,
struct secasvar *));
extern int esp_aesctr_decrypt __P((struct mbuf *, size_t,
struct secasvar *, const struct esp_algorithm *, int));
extern int esp_aesctr_encrypt __P((struct mbuf *, size_t, size_t,
struct secasvar *, const struct esp_algorithm *, int));