[apple/xnu.git] / bsd / nfs / nfs_gss_crypto.h

/*
 * Copyright (c) 2008 Apple Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */


#ifndef _NFS_NFS_GSS_CRYPTO_H_
#define _NFS_NFS_GSS_CRYPTO_H_
#include <libkern/libkern.h>
#include <libkern/crypto/sha1.h>
#include <libkern/crypto/md5.h>
#include <libkern/crypto/des.h>

#define KG_USAGE_SEAL 22
#define KG_USAGE_SIGN 23
#define KG_USAGE_SEQ  24

#define KEY_USAGE_DES3_SEAL (const unsigned char *)"\x00\x00\x00\x16\xaa"
#define KEY_USAGE_DES3_SIGN (const unsigned char *)"\x00\x00\x00\x17\x99"
#define KEY_USAGE_DES3_SEQ  (const unsigned char *)"\x00\x00\x00\x18\x55"
#define KEY_USAGE_LEN 5

typedef struct {
	SHA1_CTX sha1_ctx;
	des_cblock dk[3];
} HMAC_SHA1_DES3KD_CTX;

typedef struct {
	MD5_CTX md5_ctx;
	des_cbc_key_schedule *sched;
} MD5_DESCBC_CTX;

#define MD5_DESCBC_DIGEST_LENGTH 8

__BEGIN_DECLS

void krb5_nfold(unsigned int, const unsigned char *, unsigned int, unsigned char *);
void des3_make_key(const unsigned char[21], des_cblock[3]);
int des3_derive_key(des_cblock[3], des_cblock[3], const unsigned char *, int);

void HMAC_SHA1_DES3KD_Init(HMAC_SHA1_DES3KD_CTX *, des_cblock[3], int);
void HMAC_SHA1_DES3KD_Update(HMAC_SHA1_DES3KD_CTX *, void *, size_t);
void HMAC_SHA1_DES3KD_Final(void *, HMAC_SHA1_DES3KD_CTX *);

void MD5_DESCBC_Init(MD5_DESCBC_CTX *, des_cbc_key_schedule *);
void MD5_DESCBC_Update(MD5_DESCBC_CTX *, void *, size_t);
void MD5_DESCBC_Final(void *, MD5_DESCBC_CTX *);

__END_DECLS

#endif /* _NFS_NFS_GSS_CRYPTO_H_ */
Commit	Line	Data
b0d623f7 A	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>
316670eb	35	#include <libkern/crypto/des.h>
b0d623f7 A	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
	46	typedef struct {
	47	SHA1_CTX sha1_ctx;
	48	des_cblock dk[3];
	49	} HMAC_SHA1_DES3KD_CTX;
	50
	51	typedef struct {
	52	MD5_CTX md5_ctx;
316670eb	53	des_cbc_key_schedule *sched;
b0d623f7 A	54	} MD5_DESCBC_CTX;
	55
	56	#define MD5_DESCBC_DIGEST_LENGTH 8
	57
	58	__BEGIN_DECLS
	59
	60	void krb5_nfold(unsigned int, const unsigned char , unsigned int, unsigned char );
	61	void des3_make_key(const unsigned char[21], des_cblock[3]);
b0d623f7	62	int des3_derive_key(des_cblock[3], des_cblock[3], const unsigned char *, int);
316670eb	63
b0d623f7 A	64	void HMAC_SHA1_DES3KD_Init(HMAC_SHA1_DES3KD_CTX *, des_cblock[3], int);
	65	void HMAC_SHA1_DES3KD_Update(HMAC_SHA1_DES3KD_CTX , void , size_t);
	66	void HMAC_SHA1_DES3KD_Final(void , HMAC_SHA1_DES3KD_CTX );
b0d623f7	67
316670eb	68	void MD5_DESCBC_Init(MD5_DESCBC_CTX , des_cbc_key_schedule );
b0d623f7 A	69	void MD5_DESCBC_Update(MD5_DESCBC_CTX , void , size_t);
	70	void MD5_DESCBC_Final(void , MD5_DESCBC_CTX );
	71
	72	__END_DECLS
	73
	74	#endif /* _NFS_NFS_GSS_CRYPTO_H_ */