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 DES_CBC_CTX_MAX_SIZE (ccn_sizeof_size(sizeof(struct ccmode_ecb)) + ccn_sizeof_size(CCDES_BLOCK_SIZE) + ccn_sizeof_size(DES_ECB_CTX_MAX_SIZE)) 48#define DES3_ECB_CTX_MAX_SIZE (64*4*3) 49#define DES3_CBC_CTX_MAX_SIZE (ccn_sizeof_size(sizeof(struct ccmode_ecb)) + ccn_sizeof_size(CCDES_BLOCK_SIZE) + ccn_sizeof_size(DES3_ECB_CTX_MAX_SIZE)) 50 51 52typedef struct{ 53 ccecb_ctx_decl(DES_ECB_CTX_MAX_SIZE, enc); 54 ccecb_ctx_decl(DES_ECB_CTX_MAX_SIZE, dec); 55} des_ecb_key_schedule; 56 57typedef struct{ 58 cccbc_ctx_decl(DES_CBC_CTX_MAX_SIZE, enc); 59 cccbc_ctx_decl(DES_CBC_CTX_MAX_SIZE, dec); 60} des_cbc_key_schedule; 61 62typedef struct{ 63 ccecb_ctx_decl(DES3_ECB_CTX_MAX_SIZE, enc); 64 ccecb_ctx_decl(DES3_ECB_CTX_MAX_SIZE, dec); 65} des3_ecb_key_schedule; 66 67typedef struct{ 68 cccbc_ctx_decl(DES3_CBC_CTX_MAX_SIZE, enc); 69 cccbc_ctx_decl(DES3_CBC_CTX_MAX_SIZE, dec); 70} des3_cbc_key_schedule; 71 72/* Only here for backward compatibility with smb kext */ 73typedef des_ecb_key_schedule des_key_schedule[1]; 74#define des_set_key des_ecb_key_sched 75 76#define DES_ENCRYPT 1 77#define DES_DECRYPT 0 78 79 80/* Single DES ECB - 1 block */ 81int des_ecb_key_sched(des_cblock *key, des_ecb_key_schedule *ks); 82void des_ecb_encrypt(des_cblock *in, des_cblock *out, des_ecb_key_schedule *ks, int encrypt); 83 84/* Triple DES ECB - 1 block */ 85int des3_ecb_key_sched(des_cblock *key, des3_ecb_key_schedule *ks); 86void des3_ecb_encrypt(des_cblock *block, des_cblock *, des3_ecb_key_schedule *ks, int encrypt); 87 88/* Single DES CBC */ 89int des_cbc_key_sched(des_cblock *key, des_cbc_key_schedule *ks); 90void des_cbc_encrypt(des_cblock *in, des_cblock *out, int32_t len, 91 des_cbc_key_schedule *ks, des_cblock *iv, des_cblock *retiv, int encrypt); 92 93/* Triple DES CBC */ 94int des3_cbc_key_sched(des_cblock *key, des3_cbc_key_schedule *ks); 95void des3_cbc_encrypt(des_cblock *in, des_cblock *out, int32_t len, 96 des3_cbc_key_schedule *ks, des_cblock *iv, des_cblock *retiv, int encrypt); 97 98/* Single DES CBC-MAC */ 99void des_cbc_cksum(des_cblock *in, des_cblock *out, int len, des_cbc_key_schedule *ks); 100 101void des_fixup_key_parity(des_cblock *key); 102int des_is_weak_key(des_cblock *key); 103// int des_set_key(des_cblock *, des_key_schedule); // Unsupported KPI. 104 105#ifdef __cplusplus 106} 107#endif 108 109#endif 110