175 lines
6.3 KiB
C
175 lines
6.3 KiB
C
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/*
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* Adapted from MIT Kerberos 5-1.2.1 lib/include/krb5.h,
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* lib/gssapi/krb5/gssapiP_krb5.h, and others
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*
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* Copyright (c) 2000-2008 The Regents of the University of Michigan.
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* All rights reserved.
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*
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* Andy Adamson <andros@umich.edu>
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* Bruce Fields <bfields@umich.edu>
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*/
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/*
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* Copyright 1995 by the Massachusetts Institute of Technology.
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* All Rights Reserved.
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*
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* Export of this software from the United States of America may
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* require a specific license from the United States Government.
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* It is the responsibility of any person or organization contemplating
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* export to obtain such a license before exporting.
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*
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* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
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* distribute this software and its documentation for any purpose and
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* without fee is hereby granted, provided that the above copyright
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* notice appear in all copies and that both that copyright notice and
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* this permission notice appear in supporting documentation, and that
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* the name of M.I.T. not be used in advertising or publicity pertaining
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* to distribution of the software without specific, written prior
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* permission. Furthermore if you modify this software you must label
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* your software as modified software and not distribute it in such a
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* fashion that it might be confused with the original M.I.T. software.
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* M.I.T. makes no representations about the suitability of
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* this software for any purpose. It is provided "as is" without express
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* or implied warranty.
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*
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*/
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#ifndef _LINUX_SUNRPC_GSS_KRB5_H
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#define _LINUX_SUNRPC_GSS_KRB5_H
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#include <crypto/skcipher.h>
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#include <linux/sunrpc/auth_gss.h>
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#include <linux/sunrpc/gss_err.h>
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#include <linux/sunrpc/gss_asn1.h>
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/* Length of constant used in key derivation */
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#define GSS_KRB5_K5CLENGTH (5)
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/* Maximum key length (in bytes) for the supported crypto algorithms */
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#define GSS_KRB5_MAX_KEYLEN (32)
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/* Maximum checksum function output for the supported enctypes */
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#define GSS_KRB5_MAX_CKSUM_LEN (24)
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/* Maximum blocksize for the supported crypto algorithms */
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#define GSS_KRB5_MAX_BLOCKSIZE (16)
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/* The length of the Kerberos GSS token header */
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#define GSS_KRB5_TOK_HDR_LEN (16)
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#define KG_TOK_MIC_MSG 0x0101
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#define KG_TOK_WRAP_MSG 0x0201
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#define KG2_TOK_INITIAL 0x0101
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#define KG2_TOK_RESPONSE 0x0202
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#define KG2_TOK_MIC 0x0404
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#define KG2_TOK_WRAP 0x0504
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#define KG2_TOKEN_FLAG_SENTBYACCEPTOR 0x01
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#define KG2_TOKEN_FLAG_SEALED 0x02
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#define KG2_TOKEN_FLAG_ACCEPTORSUBKEY 0x04
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#define KG2_RESP_FLAG_ERROR 0x0001
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#define KG2_RESP_FLAG_DELEG_OK 0x0002
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enum sgn_alg {
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SGN_ALG_DES_MAC_MD5 = 0x0000,
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SGN_ALG_MD2_5 = 0x0001,
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SGN_ALG_DES_MAC = 0x0002,
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SGN_ALG_3 = 0x0003, /* not published */
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SGN_ALG_HMAC_SHA1_DES3_KD = 0x0004
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};
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enum seal_alg {
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SEAL_ALG_NONE = 0xffff,
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SEAL_ALG_DES = 0x0000,
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SEAL_ALG_1 = 0x0001, /* not published */
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SEAL_ALG_DES3KD = 0x0002
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};
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/*
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* These values are assigned by IANA and published via the
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* subregistry at the link below:
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*
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* https://www.iana.org/assignments/kerberos-parameters/kerberos-parameters.xhtml#kerberos-parameters-2
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*/
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#define CKSUMTYPE_CRC32 0x0001
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#define CKSUMTYPE_RSA_MD4 0x0002
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#define CKSUMTYPE_RSA_MD4_DES 0x0003
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#define CKSUMTYPE_DESCBC 0x0004
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#define CKSUMTYPE_RSA_MD5 0x0007
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#define CKSUMTYPE_RSA_MD5_DES 0x0008
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#define CKSUMTYPE_NIST_SHA 0x0009
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#define CKSUMTYPE_HMAC_SHA1_DES3 0x000c
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#define CKSUMTYPE_HMAC_SHA1_96_AES128 0x000f
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#define CKSUMTYPE_HMAC_SHA1_96_AES256 0x0010
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#define CKSUMTYPE_CMAC_CAMELLIA128 0x0011
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#define CKSUMTYPE_CMAC_CAMELLIA256 0x0012
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#define CKSUMTYPE_HMAC_SHA256_128_AES128 0x0013
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#define CKSUMTYPE_HMAC_SHA384_192_AES256 0x0014
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#define CKSUMTYPE_HMAC_MD5_ARCFOUR -138 /* Microsoft md5 hmac cksumtype */
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/* from gssapi_err_krb5.h */
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#define KG_CCACHE_NOMATCH (39756032L)
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#define KG_KEYTAB_NOMATCH (39756033L)
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#define KG_TGT_MISSING (39756034L)
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#define KG_NO_SUBKEY (39756035L)
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#define KG_CONTEXT_ESTABLISHED (39756036L)
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#define KG_BAD_SIGN_TYPE (39756037L)
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#define KG_BAD_LENGTH (39756038L)
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#define KG_CTX_INCOMPLETE (39756039L)
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#define KG_CONTEXT (39756040L)
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#define KG_CRED (39756041L)
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#define KG_ENC_DESC (39756042L)
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#define KG_BAD_SEQ (39756043L)
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#define KG_EMPTY_CCACHE (39756044L)
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#define KG_NO_CTYPES (39756045L)
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/* per Kerberos v5 protocol spec crypto types from the wire.
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* these get mapped to linux kernel crypto routines.
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*
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* These values are assigned by IANA and published via the
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* subregistry at the link below:
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*
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* https://www.iana.org/assignments/kerberos-parameters/kerberos-parameters.xhtml#kerberos-parameters-1
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*/
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#define ENCTYPE_NULL 0x0000
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#define ENCTYPE_DES_CBC_CRC 0x0001 /* DES cbc mode with CRC-32 */
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#define ENCTYPE_DES_CBC_MD4 0x0002 /* DES cbc mode with RSA-MD4 */
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#define ENCTYPE_DES_CBC_MD5 0x0003 /* DES cbc mode with RSA-MD5 */
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#define ENCTYPE_DES_CBC_RAW 0x0004 /* DES cbc mode raw */
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/* XXX deprecated? */
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#define ENCTYPE_DES3_CBC_SHA 0x0005 /* DES-3 cbc mode with NIST-SHA */
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#define ENCTYPE_DES3_CBC_RAW 0x0006 /* DES-3 cbc mode raw */
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#define ENCTYPE_DES_HMAC_SHA1 0x0008
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#define ENCTYPE_DES3_CBC_SHA1 0x0010
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#define ENCTYPE_AES128_CTS_HMAC_SHA1_96 0x0011
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#define ENCTYPE_AES256_CTS_HMAC_SHA1_96 0x0012
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#define ENCTYPE_AES128_CTS_HMAC_SHA256_128 0x0013
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#define ENCTYPE_AES256_CTS_HMAC_SHA384_192 0x0014
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#define ENCTYPE_ARCFOUR_HMAC 0x0017
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#define ENCTYPE_ARCFOUR_HMAC_EXP 0x0018
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#define ENCTYPE_CAMELLIA128_CTS_CMAC 0x0019
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#define ENCTYPE_CAMELLIA256_CTS_CMAC 0x001A
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#define ENCTYPE_UNKNOWN 0x01ff
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/*
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* Constants used for key derivation
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*/
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/* for 3DES */
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#define KG_USAGE_SEAL (22)
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#define KG_USAGE_SIGN (23)
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#define KG_USAGE_SEQ (24)
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/* from rfc3961 */
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#define KEY_USAGE_SEED_CHECKSUM (0x99)
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#define KEY_USAGE_SEED_ENCRYPTION (0xAA)
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#define KEY_USAGE_SEED_INTEGRITY (0x55)
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/* from rfc4121 */
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#define KG_USAGE_ACCEPTOR_SEAL (22)
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#define KG_USAGE_ACCEPTOR_SIGN (23)
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#define KG_USAGE_INITIATOR_SEAL (24)
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#define KG_USAGE_INITIATOR_SIGN (25)
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#endif /* _LINUX_SUNRPC_GSS_KRB5_H */
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