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 75 enum 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 }; 82 enum 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