1/*
2 * Copyright (c) 2012 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29#ifndef _CRYPTO_DES_H
30#define _CRYPTO_DES_H
31
32#ifdef __cplusplus
33extern "C" {
34#endif
35
36#include <corecrypto/ccmode.h>
37#include <corecrypto/ccdes.h>
38#include <corecrypto/ccn.h>
39
40/* must be 32bit quantity */
41#define DES_LONG u_int32_t
42
43typedef unsigned char des_cblock[8];
44
45/* Unholy hack: this is currently the size for the only implementation of DES in corecrypto */
46#define DES_ECB_CTX_MAX_SIZE (64*4)
47#define DES3_ECB_CTX_MAX_SIZE (64*4*3)
48
49
50typedef struct{
51 ccecb_ctx_decl(DES_ECB_CTX_MAX_SIZE, enc);
52 ccecb_ctx_decl(DES_ECB_CTX_MAX_SIZE, dec);
53} des_ecb_key_schedule;
54
55typedef struct{
56 ccecb_ctx_decl(DES3_ECB_CTX_MAX_SIZE, enc);
57 ccecb_ctx_decl(DES3_ECB_CTX_MAX_SIZE, dec);
58} des3_ecb_key_schedule;
59
60/* Only here for backward compatibility with smb kext */
61typedef des_ecb_key_schedule des_key_schedule[1];
62#define des_set_key des_ecb_key_sched
63
64#define DES_ENCRYPT 1
65#define DES_DECRYPT 0
66
67
68/* Single DES ECB - 1 block */
69int des_ecb_key_sched(des_cblock *key, des_ecb_key_schedule *ks);
70void des_ecb_encrypt(des_cblock *in, des_cblock *out, des_ecb_key_schedule *ks, int encrypt);
71
72/* Triple DES ECB - 1 block */
73int des3_ecb_key_sched(des_cblock *key, des3_ecb_key_schedule *ks);
74void des3_ecb_encrypt(des_cblock *block, des_cblock *, des3_ecb_key_schedule *ks, int encrypt);
75
76int des_is_weak_key(des_cblock *key);
77
78#ifdef __cplusplus
79}
80#endif
81
82#endif
83