1 /* 2 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 6 /* 7 * lib/crypto/des/des_int.h 8 * 9 * Copyright 1987, 1988, 1990 by the Massachusetts Institute of Technology. 10 * All Rights Reserved. 11 * 12 * Export of this software from the United States of America may 13 * require a specific license from the United States Government. 14 * It is the responsibility of any person or organization contemplating 15 * export to obtain such a license before exporting. 16 * 17 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 18 * distribute this software and its documentation for any purpose and 19 * without fee is hereby granted, provided that the above copyright 20 * notice appear in all copies and that both that copyright notice and 21 * this permission notice appear in supporting documentation, and that 22 * the name of M.I.T. not be used in advertising or publicity pertaining 23 * to distribution of the software without specific, written prior 24 * permission. Furthermore if you modify this software you must label 25 * your software as modified software and not distribute it in such a 26 * fashion that it might be confused with the original M.I.T. software. 27 * M.I.T. makes no representations about the suitability of 28 * this software for any purpose. It is provided "as is" without express 29 * or implied warranty. 30 * 31 * 32 * Private include file for the Data Encryption Standard library. 33 */ 34 35 /* 36 * Copyright (C) 1998 by the FundsXpress, INC. 37 * 38 * All rights reserved. 39 * 40 * Export of this software from the United States of America may require 41 * a specific license from the United States Government. It is the 42 * responsibility of any person or organization contemplating export to 43 * obtain such a license before exporting. 44 * 45 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 46 * distribute this software and its documentation for any purpose and 47 * without fee is hereby granted, provided that the above copyright 48 * notice appear in all copies and that both that copyright notice and 49 * this permission notice appear in supporting documentation, and that 50 * the name of FundsXpress. not be used in advertising or publicity pertaining 51 * to distribution of the software without specific, written prior 52 * permission. FundsXpress makes no representations about the suitability of 53 * this software for any purpose. It is provided "as is" without express 54 * or implied warranty. 55 * 56 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 57 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 58 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 59 */ 60 61 /* only do the whole thing once */ 62 #ifndef DES_INTERNAL_DEFS 63 #define DES_INTERNAL_DEFS 64 65 #pragma ident "%Z%%M% %I% %E% SMI" 66 67 #include <k5-int.h> 68 /* 69 * Begin "mit-des.h" 70 */ 71 #ifndef KRB5_MIT_DES__ 72 #define KRB5_MIT_DES__ 73 74 #if !defined(PROTOTYPE) 75 #if defined(__STDC__) || defined(_MSDOS) 76 #define PROTOTYPE(x) x 77 #else 78 #define PROTOTYPE(x) () 79 #endif 80 #endif 81 82 typedef krb5_octet mit_des_cblock[8]; /* crypto-block size */ 83 84 #ifndef DES_INT32 85 #ifdef SIZEOF_INT 86 #if SIZEOF_INT >= 4 87 #define DES_INT32 int 88 #else 89 #define DES_INT32 long 90 #endif 91 #else /* !defined(SIZEOF_INT) */ 92 #include <limits.h> 93 #if (UINT_MAX >= 0xffffffff) 94 #define DES_INT32 int 95 #else 96 #define DES_INT32 long 97 #endif 98 #endif /* !defined(SIZEOF_INT) */ 99 #endif /* !defined(DES_INT32) */ 100 101 /* Triple-DES structures */ 102 typedef mit_des_cblock mit_des3_cblock[3]; 103 104 #define MIT_DES_ENCRYPT 1 105 #define MIT_DES_DECRYPT 0 106 107 #define K5ROUNDUP(x, align) (-(-(x) & -(align))) 108 109 /* the first byte of the key is already in the keyblock */ 110 111 #define MIT_DES_BLOCK_LENGTH (8*sizeof(krb5_octet)) 112 #define MIT_DES_CBC_CRC_PAD_MINIMUM CRC32_CKSUM_LENGTH 113 /* This used to be 8*sizeof(krb5_octet) */ 114 #define MIT_DES_KEYSIZE 8 115 116 #define MIT_DES_CBC_CKSUM_LENGTH (4*sizeof(krb5_octet)) 117 118 /* 119 * Check if k5-int.h has been included before us. If so, then check to see 120 * that our view of the DES key size is the same as k5-int.h's. 121 */ 122 #ifdef KRB5_MIT_DES_KEYSIZE 123 #if MIT_DES_KEYSIZE != KRB5_MIT_DES_KEYSIZE 124 error(MIT_DES_KEYSIZE does not equal KRB5_MIT_DES_KEYSIZE) 125 #endif /* MIT_DES_KEYSIZE != KRB5_MIT_DES_KEYSIZE */ 126 #endif /* KRB5_MIT_DES_KEYSIZE */ 127 #endif /* KRB5_MIT_DES__ */ 128 /* 129 * End "mit-des.h" 130 */ 131 132 #ifndef _KERNEL 133 /* afsstring2key.c */ 134 extern krb5_error_code mit_afs_string_to_key 135 PROTOTYPE((krb5_context context, 136 krb5_keyblock FAR *keyblock, 137 const krb5_data FAR *data, 138 const krb5_data FAR *salt)); 139 #endif 140 141 /* f_cksum.c */ 142 extern unsigned long mit_des_cbc_cksum 143 PROTOTYPE(( 144 krb5_context context, 145 krb5_octet FAR *, krb5_octet FAR *, long , 146 krb5_keyblock *, krb5_octet FAR *)); 147 148 /* f_cbc.c */ 149 extern int mit_des_cbc_encrypt 150 PROTOTYPE((krb5_context context, 151 const mit_des_cblock FAR *in, 152 mit_des_cblock FAR *out, long length, 153 krb5_keyblock *key, 154 mit_des_cblock ivec, 155 int encrypt)); 156 157 /* fin_rndkey.c */ 158 extern krb5_error_code mit_des_finish_random_key 159 PROTOTYPE(( const krb5_encrypt_block FAR *, 160 krb5_pointer FAR *)); 161 162 /* finish_key.c */ 163 extern krb5_error_code mit_des_finish_key 164 PROTOTYPE(( krb5_encrypt_block FAR *)); 165 166 /* key_parity.c */ 167 extern void mit_des_fixup_key_parity PROTOTYPE((mit_des_cblock )); 168 extern int mit_des_check_key_parity PROTOTYPE((mit_des_cblock )); 169 170 /* process_ky.c */ 171 extern krb5_error_code mit_des_process_key 172 PROTOTYPE(( krb5_encrypt_block FAR *, const krb5_keyblock FAR *)); 173 174 /* string2key.c */ 175 extern krb5_error_code mit_des_string_to_key 176 PROTOTYPE((const krb5_encrypt_block FAR *, 177 krb5_keyblock FAR *, 178 const krb5_data FAR *, 179 const krb5_data FAR *)); 180 181 /* weak_key.c */ 182 extern int mit_des_is_weak_key PROTOTYPE((mit_des_cblock )); 183 184 /* cmb_keys.c */ 185 krb5_error_code mit_des_combine_subkeys 186 PROTOTYPE((const krb5_keyblock FAR *, const krb5_keyblock FAR *, 187 krb5_keyblock FAR * FAR *)); 188 189 /* f_pcbc.c */ 190 int mit_des_pcbc_encrypt (); 191 192 /* misc.c */ 193 extern void swap_bits PROTOTYPE((char FAR *)); 194 extern unsigned long long_swap_bits PROTOTYPE((unsigned long )); 195 extern unsigned long swap_six_bits_to_ansi PROTOTYPE((unsigned long )); 196 extern unsigned long swap_four_bits_to_ansi PROTOTYPE((unsigned long )); 197 extern unsigned long swap_bit_pos_1 PROTOTYPE((unsigned long )); 198 extern unsigned long swap_bit_pos_0 PROTOTYPE((unsigned long )); 199 extern unsigned long swap_bit_pos_0_to_ansi PROTOTYPE((unsigned long )); 200 extern unsigned long rev_swap_bit_pos_0 PROTOTYPE((unsigned long )); 201 extern unsigned long swap_byte_bits PROTOTYPE((unsigned long )); 202 extern unsigned long swap_long_bytes_bit_number PROTOTYPE((unsigned long )); 203 #ifdef FILE 204 /* XXX depends on FILE being a #define! */ 205 extern void test_set PROTOTYPE((FILE *, const char *, int, const char *, int)); 206 #endif 207 208 /* d3_cbc.c */ 209 extern int mit_des3_cbc_encrypt 210 PROTOTYPE((krb5_context context, 211 const mit_des_cblock FAR *in, 212 mit_des_cblock FAR *out, 213 long length, 214 krb5_keyblock *key, 215 mit_des_cblock ivec, 216 int encrypt)); 217 218 /* d3_procky.c */ 219 extern krb5_error_code mit_des3_process_key 220 PROTOTYPE((krb5_encrypt_block * eblock, 221 const krb5_keyblock * keyblock)); 222 223 /* d3_str2ky.c */ 224 extern krb5_error_code mit_des3_string_to_key 225 PROTOTYPE((const krb5_encrypt_block FAR *, 226 krb5_keyblock FAR *, 227 const krb5_data FAR *, 228 const krb5_data FAR *)); 229 230 231 /* u_nfold.c */ 232 extern krb5_error_code mit_des_n_fold 233 PROTOTYPE((const krb5_octet * input, 234 const size_t in_len, 235 krb5_octet * output, 236 const size_t out_len)); 237 238 extern krb5_error_code mit_des_set_random_sequence_number 239 PROTOTYPE((const krb5_data * sequence, 240 krb5_pointer random_state)); 241 242 #endif /*DES_INTERNAL_DEFS*/ 243