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/* NULL IKE encryption, for libreswan
*
* Copyright (C) 2023 Andrew Cagney
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <https://www.gnu.org/licenses/gpl2.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include <stdio.h>
#include <stdlib.h>
#include "lswlog.h"
#include "prmem.h"
#include "prerror.h"
#include "constants.h"
#include "ike_alg.h"
#include "crypt_cipher.h"
#include "ike_alg_encrypt_ops.h"
#include "lswnss.h" /* for llog_nss_error() */
static void cipher_op_null(const struct encrypt_desc *cipher UNUSED,
struct cipher_op_context *context UNUSED,
enum cipher_op op UNUSED,
enum cipher_iv_source iv_source UNUSED,
PK11SymKey *symkey UNUSED,
shunk_t salt UNUSED,
chunk_t wire_iv UNUSED,
chunk_t text UNUSED,
struct crypt_mac *ikev1_iv UNUSED,
struct logger *logger UNUSED)
{
/* nothing happens */
}
static void cipher_check_null(const struct encrypt_desc *encrypt,
struct logger *logger)
{
const struct ike_alg *alg = &encrypt->common;
pexpect_ike_alg(logger, alg, encrypt->nss.mechanism == 0);
}
const struct encrypt_ops ike_alg_encrypt_null_ops = {
.backend = "NULL",
.cipher_check = cipher_check_null,
.cipher_op_normal = cipher_op_null,
};
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