include/linux/sunrpc/gss_krb5.h - kernel/common - Git at Google

 /*
  *  Adapted from MIT Kerberos 5-1.2.1 lib/include/krb5.h,
  *  lib/gssapi/krb5/gssapiP_krb5.h, and others
  *
  *  Copyright (c) 2000-2008 The Regents of the University of Michigan.
  *  All rights reserved.
  *
  *  Andy Adamson   <[email protected]>
  *  Bruce Fields   <[email protected]>
  */

 /*
  * Copyright 1995 by the Massachusetts Institute of Technology.
  * All Rights Reserved.
  *
  * Export of this software from the United States of America may
  *   require a specific license from the United States Government.
  *   It is the responsibility of any person or organization contemplating
  *   export to obtain such a license before exporting.
  *
  * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
  * distribute this software and its documentation for any purpose and
  * without fee is hereby granted, provided that the above copyright
  * notice appear in all copies and that both that copyright notice and
  * this permission notice appear in supporting documentation, and that
  * the name of M.I.T. not be used in advertising or publicity pertaining
  * to distribution of the software without specific, written prior
  * permission.  Furthermore if you modify this software you must label
  * your software as modified software and not distribute it in such a
  * fashion that it might be confused with the original M.I.T. software.
  * M.I.T. makes no representations about the suitability of
  * this software for any purpose.  It is provided "as is" without express
  * or implied warranty.
  *
  */

 #ifndef _LINUX_SUNRPC_GSS_KRB5_H
 #define _LINUX_SUNRPC_GSS_KRB5_H

 #include <crypto/skcipher.h>
 #include <linux/sunrpc/auth_gss.h>
 #include <linux/sunrpc/gss_err.h>
 #include <linux/sunrpc/gss_asn1.h>

 /* Length of constant used in key derivation */
 #define GSS_KRB5_K5CLENGTH (5)

 /* Maximum key length (in bytes) for the supported crypto algorithms */
 #define GSS_KRB5_MAX_KEYLEN (32)

 /* Maximum checksum function output for the supported enctypes */
 #define GSS_KRB5_MAX_CKSUM_LEN  (24)

 /* Maximum blocksize for the supported crypto algorithms */
 #define GSS_KRB5_MAX_BLOCKSIZE  (16)

 /* The length of the Kerberos GSS token header */
 #define GSS_KRB5_TOK_HDR_LEN	(16)

 #define KG_TOK_MIC_MSG    0x0101
 #define KG_TOK_WRAP_MSG   0x0201

 #define KG2_TOK_INITIAL     0x0101
 #define KG2_TOK_RESPONSE    0x0202
 #define KG2_TOK_MIC         0x0404
 #define KG2_TOK_WRAP        0x0504

 #define KG2_TOKEN_FLAG_SENTBYACCEPTOR   0x01
 #define KG2_TOKEN_FLAG_SEALED           0x02
 #define KG2_TOKEN_FLAG_ACCEPTORSUBKEY   0x04

 #define KG2_RESP_FLAG_ERROR             0x0001
 #define KG2_RESP_FLAG_DELEG_OK          0x0002

 enum sgn_alg {
 	SGN_ALG_DES_MAC_MD5 = 0x0000,
 	SGN_ALG_MD2_5 = 0x0001,
 	SGN_ALG_DES_MAC = 0x0002,
 	SGN_ALG_3 = 0x0003,		/* not published */
 	SGN_ALG_HMAC_SHA1_DES3_KD = 0x0004
 };
 enum seal_alg {
 	SEAL_ALG_NONE = 0xffff,
 	SEAL_ALG_DES = 0x0000,
 	SEAL_ALG_1 = 0x0001,		/* not published */
 	SEAL_ALG_DES3KD = 0x0002
 };

 /*
  * These values are assigned by IANA and published via the
  * subregistry at the link below:
  *
  * https://www.iana.org/assignments/kerberos-parameters/kerberos-parameters.xhtml#kerberos-parameters-2
  */
 #define CKSUMTYPE_CRC32			0x0001
 #define CKSUMTYPE_RSA_MD4		0x0002
 #define CKSUMTYPE_RSA_MD4_DES		0x0003
 #define CKSUMTYPE_DESCBC		0x0004
 #define CKSUMTYPE_RSA_MD5		0x0007
 #define CKSUMTYPE_RSA_MD5_DES		0x0008
 #define CKSUMTYPE_NIST_SHA		0x0009
 #define CKSUMTYPE_HMAC_SHA1_DES3	0x000c
 #define CKSUMTYPE_HMAC_SHA1_96_AES128   0x000f
 #define CKSUMTYPE_HMAC_SHA1_96_AES256   0x0010
 #define CKSUMTYPE_CMAC_CAMELLIA128	0x0011
 #define CKSUMTYPE_CMAC_CAMELLIA256	0x0012
 #define CKSUMTYPE_HMAC_SHA256_128_AES128	0x0013
 #define CKSUMTYPE_HMAC_SHA384_192_AES256	0x0014
 #define CKSUMTYPE_HMAC_MD5_ARCFOUR      -138 /* Microsoft md5 hmac cksumtype */

 /* from gssapi_err_krb5.h */
 #define KG_CCACHE_NOMATCH                        (39756032L)
 #define KG_KEYTAB_NOMATCH                        (39756033L)
 #define KG_TGT_MISSING                           (39756034L)
 #define KG_NO_SUBKEY                             (39756035L)
 #define KG_CONTEXT_ESTABLISHED                   (39756036L)
 #define KG_BAD_SIGN_TYPE                         (39756037L)
 #define KG_BAD_LENGTH                            (39756038L)
 #define KG_CTX_INCOMPLETE                        (39756039L)
 #define KG_CONTEXT                               (39756040L)
 #define KG_CRED                                  (39756041L)
 #define KG_ENC_DESC                              (39756042L)
 #define KG_BAD_SEQ                               (39756043L)
 #define KG_EMPTY_CCACHE                          (39756044L)
 #define KG_NO_CTYPES                             (39756045L)

 /* per Kerberos v5 protocol spec crypto types from the wire.
  * these get mapped to linux kernel crypto routines.
  *
  * These values are assigned by IANA and published via the
  * subregistry at the link below:
  *
  * https://www.iana.org/assignments/kerberos-parameters/kerberos-parameters.xhtml#kerberos-parameters-1
  */
 #define ENCTYPE_NULL            0x0000
 #define ENCTYPE_DES_CBC_CRC     0x0001	/* DES cbc mode with CRC-32 */
 #define ENCTYPE_DES_CBC_MD4     0x0002	/* DES cbc mode with RSA-MD4 */
 #define ENCTYPE_DES_CBC_MD5     0x0003	/* DES cbc mode with RSA-MD5 */
 #define ENCTYPE_DES_CBC_RAW     0x0004	/* DES cbc mode raw */
 /* XXX deprecated? */
 #define ENCTYPE_DES3_CBC_SHA    0x0005	/* DES-3 cbc mode with NIST-SHA */
 #define ENCTYPE_DES3_CBC_RAW    0x0006	/* DES-3 cbc mode raw */
 #define ENCTYPE_DES_HMAC_SHA1   0x0008
 #define ENCTYPE_DES3_CBC_SHA1   0x0010
 #define ENCTYPE_AES128_CTS_HMAC_SHA1_96 0x0011
 #define ENCTYPE_AES256_CTS_HMAC_SHA1_96 0x0012
 #define ENCTYPE_AES128_CTS_HMAC_SHA256_128	0x0013
 #define ENCTYPE_AES256_CTS_HMAC_SHA384_192	0x0014
 #define ENCTYPE_ARCFOUR_HMAC            0x0017
 #define ENCTYPE_ARCFOUR_HMAC_EXP        0x0018
 #define ENCTYPE_CAMELLIA128_CTS_CMAC	0x0019
 #define ENCTYPE_CAMELLIA256_CTS_CMAC	0x001A
 #define ENCTYPE_UNKNOWN         0x01ff

 /*
  * Constants used for key derivation
  */
 /* for 3DES */
 #define KG_USAGE_SEAL (22)
 #define KG_USAGE_SIGN (23)
 #define KG_USAGE_SEQ  (24)

 /* from rfc3961 */
 #define KEY_USAGE_SEED_CHECKSUM         (0x99)
 #define KEY_USAGE_SEED_ENCRYPTION       (0xAA)
 #define KEY_USAGE_SEED_INTEGRITY        (0x55)

 /* from rfc4121 */
 #define KG_USAGE_ACCEPTOR_SEAL  (22)
 #define KG_USAGE_ACCEPTOR_SIGN  (23)
 #define KG_USAGE_INITIATOR_SEAL (24)
 #define KG_USAGE_INITIATOR_SIGN (25)

 #endif /* _LINUX_SUNRPC_GSS_KRB5_H */
	/*
	* Adapted from MIT Kerberos 5-1.2.1 lib/include/krb5.h,
	* lib/gssapi/krb5/gssapiP_krb5.h, and others
	*
	* Copyright (c) 2000-2008 The Regents of the University of Michigan.
	* All rights reserved.
	*
	* Andy Adamson <[email protected]>
	* Bruce Fields <[email protected]>
	*/

	/*
	* Copyright 1995 by the Massachusetts Institute of Technology.
	* All Rights Reserved.
	*
	* Export of this software from the United States of America may
	* require a specific license from the United States Government.
	* It is the responsibility of any person or organization contemplating
	* export to obtain such a license before exporting.
	*
	* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
	* distribute this software and its documentation for any purpose and
	* without fee is hereby granted, provided that the above copyright
	* notice appear in all copies and that both that copyright notice and
	* this permission notice appear in supporting documentation, and that
	* the name of M.I.T. not be used in advertising or publicity pertaining
	* to distribution of the software without specific, written prior
	* permission. Furthermore if you modify this software you must label
	* your software as modified software and not distribute it in such a
	* fashion that it might be confused with the original M.I.T. software.
	* M.I.T. makes no representations about the suitability of
	* this software for any purpose. It is provided "as is" without express
	* or implied warranty.
	*
	*/

	#ifndef _LINUX_SUNRPC_GSS_KRB5_H
	#define _LINUX_SUNRPC_GSS_KRB5_H

	#include <crypto/skcipher.h>
	#include <linux/sunrpc/auth_gss.h>
	#include <linux/sunrpc/gss_err.h>
	#include <linux/sunrpc/gss_asn1.h>

	/* Length of constant used in key derivation */
	#define GSS_KRB5_K5CLENGTH (5)

	/* Maximum key length (in bytes) for the supported crypto algorithms */
	#define GSS_KRB5_MAX_KEYLEN (32)

	/* Maximum checksum function output for the supported enctypes */
	#define GSS_KRB5_MAX_CKSUM_LEN (24)

	/* Maximum blocksize for the supported crypto algorithms */
	#define GSS_KRB5_MAX_BLOCKSIZE (16)

	/* The length of the Kerberos GSS token header */
	#define GSS_KRB5_TOK_HDR_LEN (16)

	#define KG_TOK_MIC_MSG 0x0101
	#define KG_TOK_WRAP_MSG 0x0201

	#define KG2_TOK_INITIAL 0x0101
	#define KG2_TOK_RESPONSE 0x0202
	#define KG2_TOK_MIC 0x0404
	#define KG2_TOK_WRAP 0x0504

	#define KG2_TOKEN_FLAG_SENTBYACCEPTOR 0x01
	#define KG2_TOKEN_FLAG_SEALED 0x02
	#define KG2_TOKEN_FLAG_ACCEPTORSUBKEY 0x04

	#define KG2_RESP_FLAG_ERROR 0x0001
	#define KG2_RESP_FLAG_DELEG_OK 0x0002

	enum sgn_alg {
	SGN_ALG_DES_MAC_MD5 = 0x0000,
	SGN_ALG_MD2_5 = 0x0001,
	SGN_ALG_DES_MAC = 0x0002,
	SGN_ALG_3 = 0x0003, /* not published */
	SGN_ALG_HMAC_SHA1_DES3_KD = 0x0004
	};
	enum seal_alg {
	SEAL_ALG_NONE = 0xffff,
	SEAL_ALG_DES = 0x0000,
	SEAL_ALG_1 = 0x0001, /* not published */
	SEAL_ALG_DES3KD = 0x0002
	};

	/*
	* These values are assigned by IANA and published via the
	* subregistry at the link below:
	*
	* https://www.iana.org/assignments/kerberos-parameters/kerberos-parameters.xhtml#kerberos-parameters-2
	*/
	#define CKSUMTYPE_CRC32 0x0001
	#define CKSUMTYPE_RSA_MD4 0x0002
	#define CKSUMTYPE_RSA_MD4_DES 0x0003
	#define CKSUMTYPE_DESCBC 0x0004
	#define CKSUMTYPE_RSA_MD5 0x0007
	#define CKSUMTYPE_RSA_MD5_DES 0x0008
	#define CKSUMTYPE_NIST_SHA 0x0009
	#define CKSUMTYPE_HMAC_SHA1_DES3 0x000c
	#define CKSUMTYPE_HMAC_SHA1_96_AES128 0x000f
	#define CKSUMTYPE_HMAC_SHA1_96_AES256 0x0010
	#define CKSUMTYPE_CMAC_CAMELLIA128 0x0011
	#define CKSUMTYPE_CMAC_CAMELLIA256 0x0012
	#define CKSUMTYPE_HMAC_SHA256_128_AES128 0x0013
	#define CKSUMTYPE_HMAC_SHA384_192_AES256 0x0014
	#define CKSUMTYPE_HMAC_MD5_ARCFOUR -138 /* Microsoft md5 hmac cksumtype */

	/* from gssapi_err_krb5.h */
	#define KG_CCACHE_NOMATCH (39756032L)
	#define KG_KEYTAB_NOMATCH (39756033L)
	#define KG_TGT_MISSING (39756034L)
	#define KG_NO_SUBKEY (39756035L)
	#define KG_CONTEXT_ESTABLISHED (39756036L)
	#define KG_BAD_SIGN_TYPE (39756037L)
	#define KG_BAD_LENGTH (39756038L)
	#define KG_CTX_INCOMPLETE (39756039L)
	#define KG_CONTEXT (39756040L)
	#define KG_CRED (39756041L)
	#define KG_ENC_DESC (39756042L)
	#define KG_BAD_SEQ (39756043L)
	#define KG_EMPTY_CCACHE (39756044L)
	#define KG_NO_CTYPES (39756045L)

	/* per Kerberos v5 protocol spec crypto types from the wire.
	* these get mapped to linux kernel crypto routines.
	*
	* These values are assigned by IANA and published via the
	* subregistry at the link below:
	*
	* https://www.iana.org/assignments/kerberos-parameters/kerberos-parameters.xhtml#kerberos-parameters-1
	*/
	#define ENCTYPE_NULL 0x0000
	#define ENCTYPE_DES_CBC_CRC 0x0001 /* DES cbc mode with CRC-32 */
	#define ENCTYPE_DES_CBC_MD4 0x0002 /* DES cbc mode with RSA-MD4 */
	#define ENCTYPE_DES_CBC_MD5 0x0003 /* DES cbc mode with RSA-MD5 */
	#define ENCTYPE_DES_CBC_RAW 0x0004 /* DES cbc mode raw */
	/* XXX deprecated? */
	#define ENCTYPE_DES3_CBC_SHA 0x0005 /* DES-3 cbc mode with NIST-SHA */
	#define ENCTYPE_DES3_CBC_RAW 0x0006 /* DES-3 cbc mode raw */
	#define ENCTYPE_DES_HMAC_SHA1 0x0008
	#define ENCTYPE_DES3_CBC_SHA1 0x0010
	#define ENCTYPE_AES128_CTS_HMAC_SHA1_96 0x0011
	#define ENCTYPE_AES256_CTS_HMAC_SHA1_96 0x0012
	#define ENCTYPE_AES128_CTS_HMAC_SHA256_128 0x0013
	#define ENCTYPE_AES256_CTS_HMAC_SHA384_192 0x0014
	#define ENCTYPE_ARCFOUR_HMAC 0x0017
	#define ENCTYPE_ARCFOUR_HMAC_EXP 0x0018
	#define ENCTYPE_CAMELLIA128_CTS_CMAC 0x0019
	#define ENCTYPE_CAMELLIA256_CTS_CMAC 0x001A
	#define ENCTYPE_UNKNOWN 0x01ff

	/*
	* Constants used for key derivation
	*/
	/* for 3DES */
	#define KG_USAGE_SEAL (22)
	#define KG_USAGE_SIGN (23)
	#define KG_USAGE_SEQ (24)

	/* from rfc3961 */
	#define KEY_USAGE_SEED_CHECKSUM (0x99)
	#define KEY_USAGE_SEED_ENCRYPTION (0xAA)
	#define KEY_USAGE_SEED_INTEGRITY (0x55)

	/* from rfc4121 */
	#define KG_USAGE_ACCEPTOR_SEAL (22)
	#define KG_USAGE_ACCEPTOR_SIGN (23)
	#define KG_USAGE_INITIATOR_SEAL (24)
	#define KG_USAGE_INITIATOR_SIGN (25)

	#endif /* _LINUX_SUNRPC_GSS_KRB5_H */