1/* 2 * Adapted from MIT Kerberos 5-1.2.1 lib/include/krb5.h, 3 * lib/gssapi/krb5/gssapiP_krb5.h, and others 4 * 5 * Copyright (c) 2000-2008 The Regents of the University of Michigan. 6 * All rights reserved. 7 * 8 * Andy Adamson <andros@umich.edu> 9 * Bruce Fields <bfields@umich.edu> 10 */ 11 12/* 13 * Copyright 1995 by the Massachusetts Institute of Technology. 14 * All Rights Reserved. 15 * 16 * Export of this software from the United States of America may 17 * require a specific license from the United States Government. 18 * It is the responsibility of any person or organization contemplating 19 * export to obtain such a license before exporting. 20 * 21 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 22 * distribute this software and its documentation for any purpose and 23 * without fee is hereby granted, provided that the above copyright 24 * notice appear in all copies and that both that copyright notice and 25 * this permission notice appear in supporting documentation, and that 26 * the name of M.I.T. not be used in advertising or publicity pertaining 27 * to distribution of the software without specific, written prior 28 * permission. Furthermore if you modify this software you must label 29 * your software as modified software and not distribute it in such a 30 * fashion that it might be confused with the original M.I.T. software. 31 * M.I.T. makes no representations about the suitability of 32 * this software for any purpose. It is provided "as is" without express 33 * or implied warranty. 34 * 35 */ 36 37#ifndef _LINUX_SUNRPC_GSS_KRB5_H 38#define _LINUX_SUNRPC_GSS_KRB5_H 39 40#include <crypto/skcipher.h> 41#include <linux/sunrpc/auth_gss.h> 42#include <linux/sunrpc/gss_err.h> 43#include <linux/sunrpc/gss_asn1.h> 44 45/* Length of constant used in key derivation */ 46#define GSS_KRB5_K5CLENGTH (5) 47 48/* Maximum key length (in bytes) for the supported crypto algorithms */ 49#define GSS_KRB5_MAX_KEYLEN (32) 50 51/* Maximum checksum function output for the supported enctypes */ 52#define GSS_KRB5_MAX_CKSUM_LEN (24) 53 54/* Maximum blocksize for the supported crypto algorithms */ 55#define GSS_KRB5_MAX_BLOCKSIZE (16) 56 57/* The length of the Kerberos GSS token header */ 58#define GSS_KRB5_TOK_HDR_LEN (16) 59 60#define KG_TOK_MIC_MSG 0x0101 61#define KG_TOK_WRAP_MSG 0x0201 62 63#define KG2_TOK_INITIAL 0x0101 64#define KG2_TOK_RESPONSE 0x0202 65#define KG2_TOK_MIC 0x0404 66#define KG2_TOK_WRAP 0x0504 67 68#define KG2_TOKEN_FLAG_SENTBYACCEPTOR 0x01 69#define KG2_TOKEN_FLAG_SEALED 0x02 70#define KG2_TOKEN_FLAG_ACCEPTORSUBKEY 0x04 71 72#define KG2_RESP_FLAG_ERROR 0x0001 73#define KG2_RESP_FLAG_DELEG_OK 0x0002 74 75enum sgn_alg { 76 SGN_ALG_DES_MAC_MD5 = 0x0000, 77 SGN_ALG_MD2_5 = 0x0001, 78 SGN_ALG_DES_MAC = 0x0002, 79 SGN_ALG_3 = 0x0003, /* not published */ 80 SGN_ALG_HMAC_SHA1_DES3_KD = 0x0004 81}; 82enum seal_alg { 83 SEAL_ALG_NONE = 0xffff, 84 SEAL_ALG_DES = 0x0000, 85 SEAL_ALG_1 = 0x0001, /* not published */ 86 SEAL_ALG_DES3KD = 0x0002 87}; 88 89/* 90 * These values are assigned by IANA and published via the 91 * subregistry at the link below: 92 * 93 * https://www.iana.org/assignments/kerberos-parameters/kerberos-parameters.xhtml#kerberos-parameters-2 94 */ 95#define CKSUMTYPE_CRC32 0x0001 96#define CKSUMTYPE_RSA_MD4 0x0002 97#define CKSUMTYPE_RSA_MD4_DES 0x0003 98#define CKSUMTYPE_DESCBC 0x0004 99#define CKSUMTYPE_RSA_MD5 0x0007 100#define CKSUMTYPE_RSA_MD5_DES 0x0008 101#define CKSUMTYPE_NIST_SHA 0x0009 102#define CKSUMTYPE_HMAC_SHA1_DES3 0x000c 103#define CKSUMTYPE_HMAC_SHA1_96_AES128 0x000f 104#define CKSUMTYPE_HMAC_SHA1_96_AES256 0x0010 105#define CKSUMTYPE_CMAC_CAMELLIA128 0x0011 106#define CKSUMTYPE_CMAC_CAMELLIA256 0x0012 107#define CKSUMTYPE_HMAC_SHA256_128_AES128 0x0013 108#define CKSUMTYPE_HMAC_SHA384_192_AES256 0x0014 109#define CKSUMTYPE_HMAC_MD5_ARCFOUR -138 /* Microsoft md5 hmac cksumtype */ 110 111/* from gssapi_err_krb5.h */ 112#define KG_CCACHE_NOMATCH (39756032L) 113#define KG_KEYTAB_NOMATCH (39756033L) 114#define KG_TGT_MISSING (39756034L) 115#define KG_NO_SUBKEY (39756035L) 116#define KG_CONTEXT_ESTABLISHED (39756036L) 117#define KG_BAD_SIGN_TYPE (39756037L) 118#define KG_BAD_LENGTH (39756038L) 119#define KG_CTX_INCOMPLETE (39756039L) 120#define KG_CONTEXT (39756040L) 121#define KG_CRED (39756041L) 122#define KG_ENC_DESC (39756042L) 123#define KG_BAD_SEQ (39756043L) 124#define KG_EMPTY_CCACHE (39756044L) 125#define KG_NO_CTYPES (39756045L) 126 127/* per Kerberos v5 protocol spec crypto types from the wire. 128 * these get mapped to linux kernel crypto routines. 129 * 130 * These values are assigned by IANA and published via the 131 * subregistry at the link below: 132 * 133 * https://www.iana.org/assignments/kerberos-parameters/kerberos-parameters.xhtml#kerberos-parameters-1 134 */ 135#define ENCTYPE_NULL 0x0000 136#define ENCTYPE_DES_CBC_CRC 0x0001 /* DES cbc mode with CRC-32 */ 137#define ENCTYPE_DES_CBC_MD4 0x0002 /* DES cbc mode with RSA-MD4 */ 138#define ENCTYPE_DES_CBC_MD5 0x0003 /* DES cbc mode with RSA-MD5 */ 139#define ENCTYPE_DES_CBC_RAW 0x0004 /* DES cbc mode raw */ 140/* XXX deprecated? */ 141#define ENCTYPE_DES3_CBC_SHA 0x0005 /* DES-3 cbc mode with NIST-SHA */ 142#define ENCTYPE_DES3_CBC_RAW 0x0006 /* DES-3 cbc mode raw */ 143#define ENCTYPE_DES_HMAC_SHA1 0x0008 144#define ENCTYPE_DES3_CBC_SHA1 0x0010 145#define ENCTYPE_AES128_CTS_HMAC_SHA1_96 0x0011 146#define ENCTYPE_AES256_CTS_HMAC_SHA1_96 0x0012 147#define ENCTYPE_AES128_CTS_HMAC_SHA256_128 0x0013 148#define ENCTYPE_AES256_CTS_HMAC_SHA384_192 0x0014 149#define ENCTYPE_ARCFOUR_HMAC 0x0017 150#define ENCTYPE_ARCFOUR_HMAC_EXP 0x0018 151#define ENCTYPE_CAMELLIA128_CTS_CMAC 0x0019 152#define ENCTYPE_CAMELLIA256_CTS_CMAC 0x001A 153#define ENCTYPE_UNKNOWN 0x01ff 154 155/* 156 * Constants used for key derivation 157 */ 158/* for 3DES */ 159#define KG_USAGE_SEAL (22) 160#define KG_USAGE_SIGN (23) 161#define KG_USAGE_SEQ (24) 162 163/* from rfc3961 */ 164#define KEY_USAGE_SEED_CHECKSUM (0x99) 165#define KEY_USAGE_SEED_ENCRYPTION (0xAA) 166#define KEY_USAGE_SEED_INTEGRITY (0x55) 167 168/* from rfc4121 */ 169#define KG_USAGE_ACCEPTOR_SEAL (22) 170#define KG_USAGE_ACCEPTOR_SIGN (23) 171#define KG_USAGE_INITIATOR_SEAL (24) 172#define KG_USAGE_INITIATOR_SIGN (25) 173 174#endif /* _LINUX_SUNRPC_GSS_KRB5_H */ 175