-/*-
- * This file is provided under a dual BSD/GPLv2 license. When using or
- * redistributing this file, you may do so under either license.
- *
- * BSD LICENSE
+/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
*
* Copyright 2008-2016 Freescale Semiconductor Inc.
- * Copyright (c) 2016 NXP.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * 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.
- * * Neither the name of the above-listed copyright holders nor the
- * names of any contributors may be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * GPL LICENSE SUMMARY
+ * Copyright 2016 NXP
*
- * ALTERNATIVELY, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") as published by the Free Software
- * Foundation, either version 2 of that License or (at your option) any
- * later version.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDERS 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.
*/
#ifndef __DESC_IPSEC_H__
* @descbuf: pointer to buffer used for descriptor construction
* @ps: if 36/40bit addressing is desired, this parameter must be true
* @swap: if true, perform descriptor byte swapping on a 4-byte boundary
- * @cipherdata: ointer to block cipher transform definitions.
+ * @cipherdata: pointer to block cipher transform definitions.
* Valid algorithm values one of OP_ALG_ALGSEL_* {DES, 3DES, AES}
+ * Valid modes for:
+ * AES: OP_ALG_AAI_* {CBC, CTR}
+ * DES, 3DES: OP_ALG_AAI_CBC
* @authdata: pointer to authentication transform definitions.
* Valid algorithm values - one of OP_ALG_ALGSEL_* {MD5, SHA1,
* SHA224, SHA256, SHA384, SHA512}
{
struct program prg;
struct program *p = &prg;
- const bool is_aes_dec = (dir == DIR_DEC) &&
- (cipherdata->algtype == OP_ALG_ALGSEL_AES);
+ const bool need_dk = (dir == DIR_DEC) &&
+ (cipherdata->algtype == OP_ALG_ALGSEL_AES) &&
+ (cipherdata->algmode == OP_ALG_AAI_CBC);
LABEL(skip_patch_len);
LABEL(keyjmp);
dir == DIR_ENC ? ICV_CHECK_DISABLE : ICV_CHECK_ENABLE,
dir);
- if (is_aes_dec)
+ if (need_dk)
ALG_OPERATION(p, OP_ALG_ALGSEL_AES, cipherdata->algmode,
OP_ALG_AS_INITFINAL, ICV_CHECK_DISABLE, dir);
pskipkeys = JUMP(p, skipkeys, LOCAL_JUMP, ALL_TRUE, 0);
dir == DIR_ENC ? ICV_CHECK_DISABLE : ICV_CHECK_ENABLE,
dir);
- if (is_aes_dec) {
+ if (need_dk) {
ALG_OPERATION(p, OP_ALG_ALGSEL_AES, cipherdata->algmode |
OP_ALG_AAI_DK, OP_ALG_AS_INITFINAL,
ICV_CHECK_DISABLE, dir);
SET_LABEL(p, aonly_len_offset);
/* Read IV */
- SEQLOAD(p, CONTEXT1, 0, ivlen, 0);
+ if (cipherdata->algmode == OP_ALG_AAI_CTR)
+ SEQLOAD(p, CONTEXT1, 16, ivlen, 0);
+ else
+ SEQLOAD(p, CONTEXT1, 0, ivlen, 0);
/*
* Read data needed only for authentication. This is overwritten above