LTKCPP-- LLRP Toolkit C Plus Plus Library
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00001 /* crypto/des/des.h */ 00002 /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com) 00003 * All rights reserved. 00004 * 00005 * This package is an SSL implementation written 00006 * by Eric Young (eay@cryptsoft.com). 00007 * The implementation was written so as to conform with Netscapes SSL. 00008 * 00009 * This library is free for commercial and non-commercial use as long as 00010 * the following conditions are aheared to. The following conditions 00011 * apply to all code found in this distribution, be it the RC4, RSA, 00012 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 00013 * included with this distribution is covered by the same copyright terms 00014 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 00015 * 00016 * Copyright remains Eric Young's, and as such any Copyright notices in 00017 * the code are not to be removed. 00018 * If this package is used in a product, Eric Young should be given attribution 00019 * as the author of the parts of the library used. 00020 * This can be in the form of a textual message at program startup or 00021 * in documentation (online or textual) provided with the package. 00022 * 00023 * Redistribution and use in source and binary forms, with or without 00024 * modification, are permitted provided that the following conditions 00025 * are met: 00026 * 1. Redistributions of source code must retain the copyright 00027 * notice, this list of conditions and the following disclaimer. 00028 * 2. Redistributions in binary form must reproduce the above copyright 00029 * notice, this list of conditions and the following disclaimer in the 00030 * documentation and/or other materials provided with the distribution. 00031 * 3. All advertising materials mentioning features or use of this software 00032 * must display the following acknowledgement: 00033 * "This product includes cryptographic software written by 00034 * Eric Young (eay@cryptsoft.com)" 00035 * The word 'cryptographic' can be left out if the rouines from the library 00036 * being used are not cryptographic related :-). 00037 * 4. If you include any Windows specific code (or a derivative thereof) from 00038 * the apps directory (application code) you must include an acknowledgement: 00039 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 00040 * 00041 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 00042 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00043 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00044 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 00045 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00046 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00047 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00048 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00049 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00050 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00051 * SUCH DAMAGE. 00052 * 00053 * The licence and distribution terms for any publically available version or 00054 * derivative of this code cannot be changed. i.e. this code cannot simply be 00055 * copied and put under another distribution licence 00056 * [including the GNU Public Licence.] 00057 */ 00058 00059 #ifndef HEADER_NEW_DES_H 00060 # define HEADER_NEW_DES_H 00061 00062 # include <openssl/e_os2.h> /* OPENSSL_EXTERN, OPENSSL_NO_DES, DES_LONG 00063 * (via openssl/opensslconf.h */ 00064 00065 # ifdef OPENSSL_NO_DES 00066 # error DES is disabled. 00067 # endif 00068 00069 # ifdef OPENSSL_BUILD_SHLIBCRYPTO 00070 # undef OPENSSL_EXTERN 00071 # define OPENSSL_EXTERN OPENSSL_EXPORT 00072 # endif 00073 00074 #ifdef __cplusplus 00075 extern "C" { 00076 #endif 00077 00078 typedef unsigned char DES_cblock[8]; 00079 typedef /* const */ unsigned char const_DES_cblock[8]; 00080 /* 00081 * With "const", gcc 2.8.1 on Solaris thinks that DES_cblock * and 00082 * const_DES_cblock * are incompatible pointer types. 00083 */ 00084 00085 typedef struct DES_ks { 00086 union { 00087 DES_cblock cblock; 00088 /* 00089 * make sure things are correct size on machines with 8 byte longs 00090 */ 00091 DES_LONG deslong[2]; 00092 } ks[16]; 00093 } DES_key_schedule; 00094 00095 # ifndef OPENSSL_DISABLE_OLD_DES_SUPPORT 00096 # ifndef OPENSSL_ENABLE_OLD_DES_SUPPORT 00097 # define OPENSSL_ENABLE_OLD_DES_SUPPORT 00098 # endif 00099 # endif 00100 00101 # ifdef OPENSSL_ENABLE_OLD_DES_SUPPORT 00102 # include <openssl/des_old.h> 00103 # endif 00104 00105 # define DES_KEY_SZ (sizeof(DES_cblock)) 00106 # define DES_SCHEDULE_SZ (sizeof(DES_key_schedule)) 00107 00108 # define DES_ENCRYPT 1 00109 # define DES_DECRYPT 0 00110 00111 # define DES_CBC_MODE 0 00112 # define DES_PCBC_MODE 1 00113 00114 # define DES_ecb2_encrypt(i,o,k1,k2,e) \ 00115 DES_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e)) 00116 00117 # define DES_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \ 00118 DES_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e)) 00119 00120 # define DES_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \ 00121 DES_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e)) 00122 00123 # define DES_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \ 00124 DES_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n)) 00125 00126 OPENSSL_DECLARE_GLOBAL(int, DES_check_key); /* defaults to false */ 00127 # define DES_check_key OPENSSL_GLOBAL_REF(DES_check_key) 00128 OPENSSL_DECLARE_GLOBAL(int, DES_rw_mode); /* defaults to DES_PCBC_MODE */ 00129 # define DES_rw_mode OPENSSL_GLOBAL_REF(DES_rw_mode) 00130 00131 const char *DES_options(void); 00132 void DES_ecb3_encrypt(const_DES_cblock *input, DES_cblock *output, 00133 DES_key_schedule *ks1, DES_key_schedule *ks2, 00134 DES_key_schedule *ks3, int enc); 00135 DES_LONG DES_cbc_cksum(const unsigned char *input, DES_cblock *output, 00136 long length, DES_key_schedule *schedule, 00137 const_DES_cblock *ivec); 00138 /* DES_cbc_encrypt does not update the IV! Use DES_ncbc_encrypt instead. */ 00139 void DES_cbc_encrypt(const unsigned char *input, unsigned char *output, 00140 long length, DES_key_schedule *schedule, 00141 DES_cblock *ivec, int enc); 00142 void DES_ncbc_encrypt(const unsigned char *input, unsigned char *output, 00143 long length, DES_key_schedule *schedule, 00144 DES_cblock *ivec, int enc); 00145 void DES_xcbc_encrypt(const unsigned char *input, unsigned char *output, 00146 long length, DES_key_schedule *schedule, 00147 DES_cblock *ivec, const_DES_cblock *inw, 00148 const_DES_cblock *outw, int enc); 00149 void DES_cfb_encrypt(const unsigned char *in, unsigned char *out, int numbits, 00150 long length, DES_key_schedule *schedule, 00151 DES_cblock *ivec, int enc); 00152 void DES_ecb_encrypt(const_DES_cblock *input, DES_cblock *output, 00153 DES_key_schedule *ks, int enc); 00154 00155 /* 00156 * This is the DES encryption function that gets called by just about every 00157 * other DES routine in the library. You should not use this function except 00158 * to implement 'modes' of DES. I say this because the functions that call 00159 * this routine do the conversion from 'char *' to long, and this needs to be 00160 * done to make sure 'non-aligned' memory access do not occur. The 00161 * characters are loaded 'little endian'. Data is a pointer to 2 unsigned 00162 * long's and ks is the DES_key_schedule to use. enc, is non zero specifies 00163 * encryption, zero if decryption. 00164 */ 00165 void DES_encrypt1(DES_LONG *data, DES_key_schedule *ks, int enc); 00166 00167 /* 00168 * This functions is the same as DES_encrypt1() except that the DES initial 00169 * permutation (IP) and final permutation (FP) have been left out. As for 00170 * DES_encrypt1(), you should not use this function. It is used by the 00171 * routines in the library that implement triple DES. IP() DES_encrypt2() 00172 * DES_encrypt2() DES_encrypt2() FP() is the same as DES_encrypt1() 00173 * DES_encrypt1() DES_encrypt1() except faster :-). 00174 */ 00175 void DES_encrypt2(DES_LONG *data, DES_key_schedule *ks, int enc); 00176 00177 void DES_encrypt3(DES_LONG *data, DES_key_schedule *ks1, 00178 DES_key_schedule *ks2, DES_key_schedule *ks3); 00179 void DES_decrypt3(DES_LONG *data, DES_key_schedule *ks1, 00180 DES_key_schedule *ks2, DES_key_schedule *ks3); 00181 void DES_ede3_cbc_encrypt(const unsigned char *input, unsigned char *output, 00182 long length, 00183 DES_key_schedule *ks1, DES_key_schedule *ks2, 00184 DES_key_schedule *ks3, DES_cblock *ivec, int enc); 00185 void DES_ede3_cbcm_encrypt(const unsigned char *in, unsigned char *out, 00186 long length, 00187 DES_key_schedule *ks1, DES_key_schedule *ks2, 00188 DES_key_schedule *ks3, 00189 DES_cblock *ivec1, DES_cblock *ivec2, int enc); 00190 void DES_ede3_cfb64_encrypt(const unsigned char *in, unsigned char *out, 00191 long length, DES_key_schedule *ks1, 00192 DES_key_schedule *ks2, DES_key_schedule *ks3, 00193 DES_cblock *ivec, int *num, int enc); 00194 void DES_ede3_cfb_encrypt(const unsigned char *in, unsigned char *out, 00195 int numbits, long length, DES_key_schedule *ks1, 00196 DES_key_schedule *ks2, DES_key_schedule *ks3, 00197 DES_cblock *ivec, int enc); 00198 void DES_ede3_ofb64_encrypt(const unsigned char *in, unsigned char *out, 00199 long length, DES_key_schedule *ks1, 00200 DES_key_schedule *ks2, DES_key_schedule *ks3, 00201 DES_cblock *ivec, int *num); 00202 # if 0 00203 void DES_xwhite_in2out(const_DES_cblock *DES_key, const_DES_cblock *in_white, 00204 DES_cblock *out_white); 00205 # endif 00206 00207 int DES_enc_read(int fd, void *buf, int len, DES_key_schedule *sched, 00208 DES_cblock *iv); 00209 int DES_enc_write(int fd, const void *buf, int len, DES_key_schedule *sched, 00210 DES_cblock *iv); 00211 char *DES_fcrypt(const char *buf, const char *salt, char *ret); 00212 char *DES_crypt(const char *buf, const char *salt); 00213 void DES_ofb_encrypt(const unsigned char *in, unsigned char *out, int numbits, 00214 long length, DES_key_schedule *schedule, 00215 DES_cblock *ivec); 00216 void DES_pcbc_encrypt(const unsigned char *input, unsigned char *output, 00217 long length, DES_key_schedule *schedule, 00218 DES_cblock *ivec, int enc); 00219 DES_LONG DES_quad_cksum(const unsigned char *input, DES_cblock output[], 00220 long length, int out_count, DES_cblock *seed); 00221 int DES_random_key(DES_cblock *ret); 00222 void DES_set_odd_parity(DES_cblock *key); 00223 int DES_check_key_parity(const_DES_cblock *key); 00224 int DES_is_weak_key(const_DES_cblock *key); 00225 /* 00226 * DES_set_key (= set_key = DES_key_sched = key_sched) calls 00227 * DES_set_key_checked if global variable DES_check_key is set, 00228 * DES_set_key_unchecked otherwise. 00229 */ 00230 int DES_set_key(const_DES_cblock *key, DES_key_schedule *schedule); 00231 int DES_key_sched(const_DES_cblock *key, DES_key_schedule *schedule); 00232 int DES_set_key_checked(const_DES_cblock *key, DES_key_schedule *schedule); 00233 void DES_set_key_unchecked(const_DES_cblock *key, DES_key_schedule *schedule); 00234 # ifdef OPENSSL_FIPS 00235 void private_DES_set_key_unchecked(const_DES_cblock *key, 00236 DES_key_schedule *schedule); 00237 # endif 00238 void DES_string_to_key(const char *str, DES_cblock *key); 00239 void DES_string_to_2keys(const char *str, DES_cblock *key1, DES_cblock *key2); 00240 void DES_cfb64_encrypt(const unsigned char *in, unsigned char *out, 00241 long length, DES_key_schedule *schedule, 00242 DES_cblock *ivec, int *num, int enc); 00243 void DES_ofb64_encrypt(const unsigned char *in, unsigned char *out, 00244 long length, DES_key_schedule *schedule, 00245 DES_cblock *ivec, int *num); 00246 00247 int DES_read_password(DES_cblock *key, const char *prompt, int verify); 00248 int DES_read_2passwords(DES_cblock *key1, DES_cblock *key2, 00249 const char *prompt, int verify); 00250 00251 # define DES_fixup_key_parity DES_set_odd_parity 00252 00253 #ifdef __cplusplus 00254 } 00255 #endif 00256 00257 #endif