[b32552c] | 1 | /* crypto/des/des.h */ |
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| 2 | /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com) |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * This package is an SSL implementation written |
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| 6 | * by Eric Young (eay@cryptsoft.com). |
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| 7 | * The implementation was written so as to conform with Netscapes SSL. |
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| 8 | * |
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| 9 | * This library is free for commercial and non-commercial use as long as |
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| 10 | * the following conditions are aheared to. The following conditions |
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| 11 | * apply to all code found in this distribution, be it the RC4, RSA, |
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| 12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
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| 13 | * included with this distribution is covered by the same copyright terms |
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| 14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
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| 15 | * |
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| 16 | * Copyright remains Eric Young's, and as such any Copyright notices in |
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| 17 | * the code are not to be removed. |
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| 18 | * If this package is used in a product, Eric Young should be given attribution |
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| 19 | * as the author of the parts of the library used. |
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| 20 | * This can be in the form of a textual message at program startup or |
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| 21 | * in documentation (online or textual) provided with the package. |
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| 22 | * |
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| 23 | * Redistribution and use in source and binary forms, with or without |
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| 24 | * modification, are permitted provided that the following conditions |
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| 25 | * are met: |
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| 26 | * 1. Redistributions of source code must retain the copyright |
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| 27 | * notice, this list of conditions and the following disclaimer. |
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| 28 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 29 | * notice, this list of conditions and the following disclaimer in the |
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| 30 | * documentation and/or other materials provided with the distribution. |
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| 31 | * 3. All advertising materials mentioning features or use of this software |
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| 32 | * must display the following acknowledgement: |
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| 33 | * "This product includes cryptographic software written by |
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| 34 | * Eric Young (eay@cryptsoft.com)" |
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| 35 | * The word 'cryptographic' can be left out if the rouines from the library |
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| 36 | * being used are not cryptographic related :-). |
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| 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
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| 38 | * the apps directory (application code) you must include an acknowledgement: |
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| 39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
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| 40 | * |
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| 41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
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| 42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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| 45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 51 | * SUCH DAMAGE. |
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| 52 | * |
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| 53 | * The licence and distribution terms for any publically available version or |
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| 54 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
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| 55 | * copied and put under another distribution licence |
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| 56 | * [including the GNU Public Licence.] |
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| 57 | */ |
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| 58 | |
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| 59 | #ifndef HEADER_NEW_DES_H |
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| 60 | #define HEADER_NEW_DES_H |
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| 61 | |
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| 62 | #include <openssl/e_os2.h> /* OPENSSL_EXTERN, OPENSSL_NO_DES, |
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| 63 | DES_LONG (via openssl/opensslconf.h */ |
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| 64 | |
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| 65 | #ifdef OPENSSL_NO_DES |
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| 66 | #error DES is disabled. |
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| 67 | #endif |
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| 68 | |
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| 69 | #ifdef OPENSSL_BUILD_SHLIBCRYPTO |
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| 70 | # undef OPENSSL_EXTERN |
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| 71 | # define OPENSSL_EXTERN OPENSSL_EXPORT |
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| 72 | #endif |
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| 73 | |
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| 74 | #ifdef __cplusplus |
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| 75 | extern "C" { |
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| 76 | #endif |
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| 77 | |
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| 78 | typedef unsigned char DES_cblock[8]; |
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| 79 | typedef /* const */ unsigned char const_DES_cblock[8]; |
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| 80 | /* With "const", gcc 2.8.1 on Solaris thinks that DES_cblock * |
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| 81 | * and const_DES_cblock * are incompatible pointer types. */ |
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| 82 | |
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| 83 | typedef struct DES_ks |
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| 84 | { |
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| 85 | union |
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| 86 | { |
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| 87 | DES_cblock cblock; |
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| 88 | /* make sure things are correct size on machines with |
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| 89 | * 8 byte longs */ |
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| 90 | DES_LONG deslong[2]; |
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| 91 | } ks[16]; |
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| 92 | } DES_key_schedule; |
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| 93 | |
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| 94 | #ifndef OPENSSL_DISABLE_OLD_DES_SUPPORT |
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| 95 | # ifndef OPENSSL_ENABLE_OLD_DES_SUPPORT |
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| 96 | # define OPENSSL_ENABLE_OLD_DES_SUPPORT |
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| 97 | # endif |
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| 98 | #endif |
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| 99 | |
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| 100 | #ifdef OPENSSL_ENABLE_OLD_DES_SUPPORT |
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| 101 | # include <openssl/des_old.h> |
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| 102 | #endif |
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| 103 | |
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| 104 | #define DES_KEY_SZ (sizeof(DES_cblock)) |
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| 105 | #define DES_SCHEDULE_SZ (sizeof(DES_key_schedule)) |
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| 106 | |
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| 107 | #define DES_ENCRYPT 1 |
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| 108 | #define DES_DECRYPT 0 |
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| 109 | |
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| 110 | #define DES_CBC_MODE 0 |
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| 111 | #define DES_PCBC_MODE 1 |
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| 112 | |
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| 113 | #define DES_ecb2_encrypt(i,o,k1,k2,e) \ |
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| 114 | DES_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e)) |
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| 115 | |
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| 116 | #define DES_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \ |
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| 117 | DES_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e)) |
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| 118 | |
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| 119 | #define DES_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \ |
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| 120 | DES_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e)) |
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| 121 | |
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| 122 | #define DES_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \ |
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| 123 | DES_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n)) |
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| 124 | |
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| 125 | OPENSSL_DECLARE_GLOBAL(int,DES_check_key); /* defaults to false */ |
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| 126 | #define DES_check_key OPENSSL_GLOBAL_REF(DES_check_key) |
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| 127 | OPENSSL_DECLARE_GLOBAL(int,DES_rw_mode); /* defaults to DES_PCBC_MODE */ |
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| 128 | #define DES_rw_mode OPENSSL_GLOBAL_REF(DES_rw_mode) |
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| 129 | |
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| 130 | const char *DES_options(void); |
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| 131 | void DES_ecb3_encrypt(const_DES_cblock *input, DES_cblock *output, |
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| 132 | DES_key_schedule *ks1,DES_key_schedule *ks2, |
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| 133 | DES_key_schedule *ks3, int enc); |
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| 134 | DES_LONG DES_cbc_cksum(const unsigned char *input,DES_cblock *output, |
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| 135 | long length,DES_key_schedule *schedule, |
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| 136 | const_DES_cblock *ivec); |
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| 137 | /* DES_cbc_encrypt does not update the IV! Use DES_ncbc_encrypt instead. */ |
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| 138 | void DES_cbc_encrypt(const unsigned char *input,unsigned char *output, |
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| 139 | long length,DES_key_schedule *schedule,DES_cblock *ivec, |
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| 140 | int enc); |
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| 141 | void DES_ncbc_encrypt(const unsigned char *input,unsigned char *output, |
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| 142 | long length,DES_key_schedule *schedule,DES_cblock *ivec, |
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| 143 | int enc); |
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| 144 | void DES_xcbc_encrypt(const unsigned char *input,unsigned char *output, |
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| 145 | long length,DES_key_schedule *schedule,DES_cblock *ivec, |
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| 146 | const_DES_cblock *inw,const_DES_cblock *outw,int enc); |
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| 147 | void DES_cfb_encrypt(const unsigned char *in,unsigned char *out,int numbits, |
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| 148 | long length,DES_key_schedule *schedule,DES_cblock *ivec, |
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| 149 | int enc); |
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| 150 | void DES_ecb_encrypt(const_DES_cblock *input,DES_cblock *output, |
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| 151 | DES_key_schedule *ks,int enc); |
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| 152 | |
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| 153 | /* This is the DES encryption function that gets called by just about |
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| 154 | every other DES routine in the library. You should not use this |
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| 155 | function except to implement 'modes' of DES. I say this because the |
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| 156 | functions that call this routine do the conversion from 'char *' to |
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| 157 | long, and this needs to be done to make sure 'non-aligned' memory |
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| 158 | access do not occur. The characters are loaded 'little endian'. |
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| 159 | Data is a pointer to 2 unsigned long's and ks is the |
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| 160 | DES_key_schedule to use. enc, is non zero specifies encryption, |
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| 161 | zero if decryption. */ |
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| 162 | void DES_encrypt1(DES_LONG *data,DES_key_schedule *ks, int enc); |
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| 163 | |
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| 164 | /* This functions is the same as DES_encrypt1() except that the DES |
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| 165 | initial permutation (IP) and final permutation (FP) have been left |
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| 166 | out. As for DES_encrypt1(), you should not use this function. |
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| 167 | It is used by the routines in the library that implement triple DES. |
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| 168 | IP() DES_encrypt2() DES_encrypt2() DES_encrypt2() FP() is the same |
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| 169 | as DES_encrypt1() DES_encrypt1() DES_encrypt1() except faster :-). */ |
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| 170 | void DES_encrypt2(DES_LONG *data,DES_key_schedule *ks, int enc); |
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| 171 | |
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| 172 | void DES_encrypt3(DES_LONG *data, DES_key_schedule *ks1, |
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| 173 | DES_key_schedule *ks2, DES_key_schedule *ks3); |
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| 174 | void DES_decrypt3(DES_LONG *data, DES_key_schedule *ks1, |
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| 175 | DES_key_schedule *ks2, DES_key_schedule *ks3); |
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| 176 | void DES_ede3_cbc_encrypt(const unsigned char *input,unsigned char *output, |
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| 177 | long length, |
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| 178 | DES_key_schedule *ks1,DES_key_schedule *ks2, |
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| 179 | DES_key_schedule *ks3,DES_cblock *ivec,int enc); |
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| 180 | void DES_ede3_cbcm_encrypt(const unsigned char *in,unsigned char *out, |
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| 181 | long length, |
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| 182 | DES_key_schedule *ks1,DES_key_schedule *ks2, |
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| 183 | DES_key_schedule *ks3, |
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| 184 | DES_cblock *ivec1,DES_cblock *ivec2, |
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| 185 | int enc); |
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| 186 | void DES_ede3_cfb64_encrypt(const unsigned char *in,unsigned char *out, |
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| 187 | long length,DES_key_schedule *ks1, |
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| 188 | DES_key_schedule *ks2,DES_key_schedule *ks3, |
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| 189 | DES_cblock *ivec,int *num,int enc); |
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| 190 | void DES_ede3_cfb_encrypt(const unsigned char *in,unsigned char *out, |
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| 191 | int numbits,long length,DES_key_schedule *ks1, |
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| 192 | DES_key_schedule *ks2,DES_key_schedule *ks3, |
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| 193 | DES_cblock *ivec,int enc); |
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| 194 | void DES_ede3_ofb64_encrypt(const unsigned char *in,unsigned char *out, |
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| 195 | long length,DES_key_schedule *ks1, |
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| 196 | DES_key_schedule *ks2,DES_key_schedule *ks3, |
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| 197 | DES_cblock *ivec,int *num); |
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| 198 | |
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| 199 | void DES_xwhite_in2out(const_DES_cblock *DES_key,const_DES_cblock *in_white, |
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| 200 | DES_cblock *out_white); |
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| 201 | |
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| 202 | int DES_enc_read(int fd,void *buf,int len,DES_key_schedule *sched, |
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| 203 | DES_cblock *iv); |
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| 204 | int DES_enc_write(int fd,const void *buf,int len,DES_key_schedule *sched, |
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| 205 | DES_cblock *iv); |
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| 206 | char *DES_fcrypt(const char *buf,const char *salt, char *ret); |
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| 207 | char *DES_crypt(const char *buf,const char *salt); |
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| 208 | void DES_ofb_encrypt(const unsigned char *in,unsigned char *out,int numbits, |
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| 209 | long length,DES_key_schedule *schedule,DES_cblock *ivec); |
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| 210 | void DES_pcbc_encrypt(const unsigned char *input,unsigned char *output, |
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| 211 | long length,DES_key_schedule *schedule,DES_cblock *ivec, |
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| 212 | int enc); |
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| 213 | DES_LONG DES_quad_cksum(const unsigned char *input,DES_cblock output[], |
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| 214 | long length,int out_count,DES_cblock *seed); |
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| 215 | int DES_random_key(DES_cblock *ret); |
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| 216 | void DES_set_odd_parity(DES_cblock *key); |
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| 217 | int DES_check_key_parity(const_DES_cblock *key); |
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| 218 | int DES_is_weak_key(const_DES_cblock *key); |
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| 219 | /* DES_set_key (= set_key = DES_key_sched = key_sched) calls |
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| 220 | * DES_set_key_checked if global variable DES_check_key is set, |
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| 221 | * DES_set_key_unchecked otherwise. */ |
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| 222 | int DES_set_key(const_DES_cblock *key,DES_key_schedule *schedule); |
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| 223 | int DES_key_sched(const_DES_cblock *key,DES_key_schedule *schedule); |
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| 224 | int DES_set_key_checked(const_DES_cblock *key,DES_key_schedule *schedule); |
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| 225 | void DES_set_key_unchecked(const_DES_cblock *key,DES_key_schedule *schedule); |
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| 226 | void DES_string_to_key(const char *str,DES_cblock *key); |
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| 227 | void DES_string_to_2keys(const char *str,DES_cblock *key1,DES_cblock *key2); |
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| 228 | void DES_cfb64_encrypt(const unsigned char *in,unsigned char *out,long length, |
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| 229 | DES_key_schedule *schedule,DES_cblock *ivec,int *num, |
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| 230 | int enc); |
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| 231 | void DES_ofb64_encrypt(const unsigned char *in,unsigned char *out,long length, |
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| 232 | DES_key_schedule *schedule,DES_cblock *ivec,int *num); |
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| 233 | |
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| 234 | int DES_read_password(DES_cblock *key, const char *prompt, int verify); |
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| 235 | int DES_read_2passwords(DES_cblock *key1, DES_cblock *key2, const char *prompt, |
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| 236 | int verify); |
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| 237 | |
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| 238 | #define DES_fixup_key_parity DES_set_odd_parity |
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| 239 | |
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| 240 | #ifdef __cplusplus |
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| 241 | } |
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| 242 | #endif |
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| 243 | |
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| 244 | #endif |
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