1/* 2 * Copyright (c) 2008 Apple 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 30#ifndef _NFS_NFS_GSS_CRYPTO_H_ 31#define _NFS_NFS_GSS_CRYPTO_H_ 32#include <libkern/libkern.h> 33#include <libkern/crypto/sha1.h> 34#include <libkern/crypto/md5.h> 35#include <libkern/crypto/des.h> 36 37#define KG_USAGE_SEAL 22 38#define KG_USAGE_SIGN 23 39#define KG_USAGE_SEQ 24 40 41#define KEY_USAGE_DES3_SEAL (const unsigned char *)"\x00\x00\x00\x16\xaa" 42#define KEY_USAGE_DES3_SIGN (const unsigned char *)"\x00\x00\x00\x17\x99" 43#define KEY_USAGE_DES3_SEQ (const unsigned char *)"\x00\x00\x00\x18\x55" 44#define KEY_USAGE_LEN 5 45 46typedef struct { 47 SHA1_CTX sha1_ctx; 48 des_cblock dk[3]; 49} HMAC_SHA1_DES3KD_CTX; 50 51typedef struct { 52 MD5_CTX md5_ctx; 53 des_cbc_key_schedule *sched; 54} MD5_DESCBC_CTX; 55 56#define MD5_DESCBC_DIGEST_LENGTH 8 57 58__BEGIN_DECLS 59 60void krb5_nfold(unsigned int, const unsigned char *, unsigned int, unsigned char *); 61void des3_make_key(const unsigned char[21], des_cblock[3]); 62int des3_derive_key(des_cblock[3], des_cblock[3], const unsigned char *, int); 63 64void HMAC_SHA1_DES3KD_Init(HMAC_SHA1_DES3KD_CTX *, des_cblock[3], int); 65void HMAC_SHA1_DES3KD_Update(HMAC_SHA1_DES3KD_CTX *, void *, size_t); 66void HMAC_SHA1_DES3KD_Final(void *, HMAC_SHA1_DES3KD_CTX *); 67 68void MD5_DESCBC_Init(MD5_DESCBC_CTX *, des_cbc_key_schedule *); 69void MD5_DESCBC_Update(MD5_DESCBC_CTX *, void *, size_t); 70void MD5_DESCBC_Final(void *, MD5_DESCBC_CTX *); 71 72__END_DECLS 73 74#endif /* _NFS_NFS_GSS_CRYPTO_H_ */ 75