samba-mirror/source4/heimdal/lib/krb5/crypto-null.c

/*
 * Copyright (c) 1997 - 2008 Kungliga Tekniska Högskolan
 * (Royal Institute of Technology, Stockholm, Sweden).
 * 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 Institute 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 INSTITUTE 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 INSTITUTE 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.
 */

#include "krb5_locl.h"

#ifndef HEIMDAL_SMALLER
#define DES3_OLD_ENCTYPE 1
#endif

static struct _krb5_key_type keytype_null = {
    KRB5_ENCTYPE_NULL,
    "null",
    0,
    0,
    0,
    NULL,
    NULL,
    NULL
};

static krb5_error_code
NONE_checksum(krb5_context context,
	      struct _krb5_key_data *key,
	      const void *data,
	      size_t len,
	      unsigned usage,
	      Checksum *C)
{
    return 0;
}

struct _krb5_checksum_type _krb5_checksum_none = {
    CKSUMTYPE_NONE,
    "none",
    1,
    0,
    0,
    NONE_checksum,
    NULL
};

static krb5_error_code
NULL_encrypt(krb5_context context,
	     struct _krb5_key_data *key,
	     void *data,
	     size_t len,
	     krb5_boolean encryptp,
	     int usage,
	     void *ivec)
{
    return 0;
}

struct _krb5_encryption_type _krb5_enctype_null = {
    ETYPE_NULL,
    "null",
    1,
    1,
    0,
    &keytype_null,
    &_krb5_checksum_none,
    NULL,
    F_DISABLED,
    NULL_encrypt,
    0,
    NULL
};