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 |
33 | extern "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 | |
43 | typedef 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 | |
50 | typedef 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 | |
55 | typedef 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 */ |
61 | typedef 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 */ |
69 | int des_ecb_key_sched(des_cblock *key, des_ecb_key_schedule *ks); |
70 | void des_ecb_encrypt(des_cblock *in, des_cblock *out, des_ecb_key_schedule *ks, int encrypt); |
71 | |
72 | /* Triple DES ECB - 1 block */ |
73 | int des3_ecb_key_sched(des_cblock *key, des3_ecb_key_schedule *ks); |
74 | void des3_ecb_encrypt(des_cblock *block, des_cblock *, des3_ecb_key_schedule *ks, int encrypt); |
75 | |
76 | int des_is_weak_key(des_cblock *key); |
77 | |
78 | #ifdef __cplusplus |
79 | } |
80 | #endif |
81 | |
82 | #endif |
83 | |