Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1 | /* crypto/des/des.h */ |
| 2 | /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com) |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * This package is an SSL implementation written |
| 6 | * by Eric Young (eay@cryptsoft.com). |
| 7 | * The implementation was written so as to conform with Netscapes SSL. |
| 8 | * |
| 9 | * This library is free for commercial and non-commercial use as long as |
| 10 | * the following conditions are aheared to. The following conditions |
| 11 | * apply to all code found in this distribution, be it the RC4, RSA, |
| 12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| 13 | * included with this distribution is covered by the same copyright terms |
| 14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| 15 | * |
| 16 | * Copyright remains Eric Young's, and as such any Copyright notices in |
| 17 | * the code are not to be removed. |
| 18 | * If this package is used in a product, Eric Young should be given attribution |
| 19 | * as the author of the parts of the library used. |
| 20 | * This can be in the form of a textual message at program startup or |
| 21 | * in documentation (online or textual) provided with the package. |
| 22 | * |
| 23 | * Redistribution and use in source and binary forms, with or without |
| 24 | * modification, are permitted provided that the following conditions |
| 25 | * are met: |
| 26 | * 1. Redistributions of source code must retain the copyright |
| 27 | * notice, this list of conditions and the following disclaimer. |
| 28 | * 2. Redistributions in binary form must reproduce the above copyright |
| 29 | * notice, this list of conditions and the following disclaimer in the |
| 30 | * documentation and/or other materials provided with the distribution. |
| 31 | * 3. All advertising materials mentioning features or use of this software |
| 32 | * must display the following acknowledgement: |
| 33 | * "This product includes cryptographic software written by |
| 34 | * Eric Young (eay@cryptsoft.com)" |
| 35 | * The word 'cryptographic' can be left out if the rouines from the library |
| 36 | * being used are not cryptographic related :-). |
| 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
| 38 | * the apps directory (application code) you must include an acknowledgement: |
| 39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| 40 | * |
| 41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| 42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 51 | * SUCH DAMAGE. |
| 52 | * |
| 53 | * The licence and distribution terms for any publically available version or |
| 54 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
| 55 | * copied and put under another distribution licence |
| 56 | * [including the GNU Public Licence.] |
| 57 | */ |
| 58 | |
| 59 | #ifndef HEADER_NEW_DES_H |
| 60 | #define HEADER_NEW_DES_H |
| 61 | |
| 62 | #include <openssl/e_os2.h> /* OPENSSL_EXTERN, OPENSSL_NO_DES, |
| 63 | DES_LONG (via openssl/opensslconf.h */ |
| 64 | |
| 65 | #ifdef OPENSSL_NO_DES |
| 66 | #error DES is disabled. |
| 67 | #endif |
| 68 | |
| 69 | #ifdef OPENSSL_BUILD_SHLIBCRYPTO |
| 70 | # undef OPENSSL_EXTERN |
| 71 | # define OPENSSL_EXTERN OPENSSL_EXPORT |
| 72 | #endif |
| 73 | |
| 74 | #ifdef __cplusplus |
| 75 | extern "C" { |
| 76 | #endif |
| 77 | |
| 78 | typedef unsigned char DES_cblock[8]; |
| 79 | typedef /* const */ unsigned char const_DES_cblock[8]; |
| 80 | /* With "const", gcc 2.8.1 on Solaris thinks that DES_cblock * |
| 81 | * and const_DES_cblock * are incompatible pointer types. */ |
| 82 | |
| 83 | typedef struct DES_ks |
| 84 | { |
| 85 | union |
| 86 | { |
| 87 | DES_cblock cblock; |
| 88 | /* make sure things are correct size on machines with |
| 89 | * 8 byte longs */ |
| 90 | DES_LONG deslong[2]; |
| 91 | } ks[16]; |
| 92 | } DES_key_schedule; |
| 93 | |
| 94 | #ifndef OPENSSL_DISABLE_OLD_DES_SUPPORT |
| 95 | # ifndef OPENSSL_ENABLE_OLD_DES_SUPPORT |
| 96 | # define OPENSSL_ENABLE_OLD_DES_SUPPORT |
| 97 | # endif |
| 98 | #endif |
| 99 | |
| 100 | #ifdef OPENSSL_ENABLE_OLD_DES_SUPPORT |
| 101 | # include <openssl/des_old.h> |
| 102 | #endif |
| 103 | |
| 104 | #define DES_KEY_SZ (sizeof(DES_cblock)) |
| 105 | #define DES_SCHEDULE_SZ (sizeof(DES_key_schedule)) |
| 106 | |
| 107 | #define DES_ENCRYPT 1 |
| 108 | #define DES_DECRYPT 0 |
| 109 | |
| 110 | #define DES_CBC_MODE 0 |
| 111 | #define DES_PCBC_MODE 1 |
| 112 | |
| 113 | #define DES_ecb2_encrypt(i,o,k1,k2,e) \ |
| 114 | DES_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e)) |
| 115 | |
| 116 | #define DES_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \ |
| 117 | DES_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e)) |
| 118 | |
| 119 | #define DES_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \ |
| 120 | DES_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e)) |
| 121 | |
| 122 | #define DES_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \ |
| 123 | DES_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n)) |
| 124 | |
| 125 | OPENSSL_DECLARE_GLOBAL(int,DES_check_key); /* defaults to false */ |
| 126 | #define DES_check_key OPENSSL_GLOBAL_REF(DES_check_key) |
| 127 | OPENSSL_DECLARE_GLOBAL(int,DES_rw_mode); /* defaults to DES_PCBC_MODE */ |
| 128 | #define DES_rw_mode OPENSSL_GLOBAL_REF(DES_rw_mode) |
| 129 | |
| 130 | const char *DES_options(void); |
| 131 | void DES_ecb3_encrypt(const_DES_cblock *input, DES_cblock *output, |
| 132 | DES_key_schedule *ks1,DES_key_schedule *ks2, |
| 133 | DES_key_schedule *ks3, int enc); |
| 134 | DES_LONG DES_cbc_cksum(const unsigned char *input,DES_cblock *output, |
| 135 | long length,DES_key_schedule *schedule, |
| 136 | const_DES_cblock *ivec); |
| 137 | /* DES_cbc_encrypt does not update the IV! Use DES_ncbc_encrypt instead. */ |
| 138 | void DES_cbc_encrypt(const unsigned char *input,unsigned char *output, |
| 139 | long length,DES_key_schedule *schedule,DES_cblock *ivec, |
| 140 | int enc); |
| 141 | void DES_ncbc_encrypt(const unsigned char *input,unsigned char *output, |
| 142 | long length,DES_key_schedule *schedule,DES_cblock *ivec, |
| 143 | int enc); |
| 144 | void DES_xcbc_encrypt(const unsigned char *input,unsigned char *output, |
| 145 | long length,DES_key_schedule *schedule,DES_cblock *ivec, |
| 146 | const_DES_cblock *inw,const_DES_cblock *outw,int enc); |
| 147 | void DES_cfb_encrypt(const unsigned char *in,unsigned char *out,int numbits, |
| 148 | long length,DES_key_schedule *schedule,DES_cblock *ivec, |
| 149 | int enc); |
| 150 | void DES_ecb_encrypt(const_DES_cblock *input,DES_cblock *output, |
| 151 | DES_key_schedule *ks,int enc); |
| 152 | |
| 153 | /* This is the DES encryption function that gets called by just about |
| 154 | every other DES routine in the library. You should not use this |
| 155 | function except to implement 'modes' of DES. I say this because the |
| 156 | functions that call this routine do the conversion from 'char *' to |
| 157 | long, and this needs to be done to make sure 'non-aligned' memory |
| 158 | access do not occur. The characters are loaded 'little endian'. |
| 159 | Data is a pointer to 2 unsigned long's and ks is the |
| 160 | DES_key_schedule to use. enc, is non zero specifies encryption, |
| 161 | zero if decryption. */ |
| 162 | void DES_encrypt1(DES_LONG *data,DES_key_schedule *ks, int enc); |
| 163 | |
| 164 | /* This functions is the same as DES_encrypt1() except that the DES |
| 165 | initial permutation (IP) and final permutation (FP) have been left |
| 166 | out. As for DES_encrypt1(), you should not use this function. |
| 167 | It is used by the routines in the library that implement triple DES. |
| 168 | IP() DES_encrypt2() DES_encrypt2() DES_encrypt2() FP() is the same |
| 169 | as DES_encrypt1() DES_encrypt1() DES_encrypt1() except faster :-). */ |
| 170 | void DES_encrypt2(DES_LONG *data,DES_key_schedule *ks, int enc); |
| 171 | |
| 172 | void DES_encrypt3(DES_LONG *data, DES_key_schedule *ks1, |
| 173 | DES_key_schedule *ks2, DES_key_schedule *ks3); |
| 174 | void DES_decrypt3(DES_LONG *data, DES_key_schedule *ks1, |
| 175 | DES_key_schedule *ks2, DES_key_schedule *ks3); |
| 176 | void DES_ede3_cbc_encrypt(const unsigned char *input,unsigned char *output, |
| 177 | long length, |
| 178 | DES_key_schedule *ks1,DES_key_schedule *ks2, |
| 179 | DES_key_schedule *ks3,DES_cblock *ivec,int enc); |
| 180 | void DES_ede3_cbcm_encrypt(const unsigned char *in,unsigned char *out, |
| 181 | long length, |
| 182 | DES_key_schedule *ks1,DES_key_schedule *ks2, |
| 183 | DES_key_schedule *ks3, |
| 184 | DES_cblock *ivec1,DES_cblock *ivec2, |
| 185 | int enc); |
| 186 | void DES_ede3_cfb64_encrypt(const unsigned char *in,unsigned char *out, |
| 187 | long length,DES_key_schedule *ks1, |
| 188 | DES_key_schedule *ks2,DES_key_schedule *ks3, |
| 189 | DES_cblock *ivec,int *num,int enc); |
| 190 | void DES_ede3_cfb_encrypt(const unsigned char *in,unsigned char *out, |
| 191 | int numbits,long length,DES_key_schedule *ks1, |
| 192 | DES_key_schedule *ks2,DES_key_schedule *ks3, |
| 193 | DES_cblock *ivec,int enc); |
| 194 | void DES_ede3_ofb64_encrypt(const unsigned char *in,unsigned char *out, |
| 195 | long length,DES_key_schedule *ks1, |
| 196 | DES_key_schedule *ks2,DES_key_schedule *ks3, |
| 197 | DES_cblock *ivec,int *num); |
| 198 | #if 0 |
| 199 | void DES_xwhite_in2out(const_DES_cblock *DES_key,const_DES_cblock *in_white, |
| 200 | DES_cblock *out_white); |
| 201 | #endif |
| 202 | |
| 203 | int DES_enc_read(int fd,void *buf,int len,DES_key_schedule *sched, |
| 204 | DES_cblock *iv); |
| 205 | int DES_enc_write(int fd,const void *buf,int len,DES_key_schedule *sched, |
| 206 | DES_cblock *iv); |
| 207 | char *DES_fcrypt(const char *buf,const char *salt, char *ret); |
| 208 | char *DES_crypt(const char *buf,const char *salt); |
| 209 | void DES_ofb_encrypt(const unsigned char *in,unsigned char *out,int numbits, |
| 210 | long length,DES_key_schedule *schedule,DES_cblock *ivec); |
| 211 | void DES_pcbc_encrypt(const unsigned char *input,unsigned char *output, |
| 212 | long length,DES_key_schedule *schedule,DES_cblock *ivec, |
| 213 | int enc); |
| 214 | DES_LONG DES_quad_cksum(const unsigned char *input,DES_cblock output[], |
| 215 | long length,int out_count,DES_cblock *seed); |
| 216 | int DES_random_key(DES_cblock *ret); |
| 217 | void DES_set_odd_parity(DES_cblock *key); |
| 218 | int DES_check_key_parity(const_DES_cblock *key); |
| 219 | int DES_is_weak_key(const_DES_cblock *key); |
| 220 | /* DES_set_key (= set_key = DES_key_sched = key_sched) calls |
| 221 | * DES_set_key_checked if global variable DES_check_key is set, |
| 222 | * DES_set_key_unchecked otherwise. */ |
| 223 | int DES_set_key(const_DES_cblock *key,DES_key_schedule *schedule); |
| 224 | int DES_key_sched(const_DES_cblock *key,DES_key_schedule *schedule); |
| 225 | int DES_set_key_checked(const_DES_cblock *key,DES_key_schedule *schedule); |
| 226 | void DES_set_key_unchecked(const_DES_cblock *key,DES_key_schedule *schedule); |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 227 | void DES_string_to_key(const char *str,DES_cblock *key); |
| 228 | void DES_string_to_2keys(const char *str,DES_cblock *key1,DES_cblock *key2); |
| 229 | void DES_cfb64_encrypt(const unsigned char *in,unsigned char *out,long length, |
| 230 | DES_key_schedule *schedule,DES_cblock *ivec,int *num, |
| 231 | int enc); |
| 232 | void DES_ofb64_encrypt(const unsigned char *in,unsigned char *out,long length, |
| 233 | DES_key_schedule *schedule,DES_cblock *ivec,int *num); |
| 234 | |
| 235 | int DES_read_password(DES_cblock *key, const char *prompt, int verify); |
| 236 | int DES_read_2passwords(DES_cblock *key1, DES_cblock *key2, const char *prompt, |
| 237 | int verify); |
| 238 | |
| 239 | #define DES_fixup_key_parity DES_set_odd_parity |
| 240 | |
| 241 | #ifdef __cplusplus |
| 242 | } |
| 243 | #endif |
| 244 | |
| 245 | #endif |