1 /* $OpenBSD: des.h,v 1.19 2015/02/07 13:19:15 doug Exp $ */ 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 core.stdc.config.c_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 module libressl_d.openssl.des; 59 60 61 enum HEADER_NEW_DES_H = true; 62 63 private static import core.stdc.config; 64 public import libressl_d.openssl.opensslconf; 65 66 version (OPENSSL_NO_DES) { 67 static assert(false, "DES is disabled."); 68 } 69 70 extern (C): 71 nothrow @nogc: 72 73 alias DES_cblock = ubyte[8]; 74 alias const_DES_cblock = /* const */ ubyte[8]; 75 76 /* 77 * With "const", gcc 2.8.1 on Solaris thinks that DES_cblock * 78 * and const_DES_cblock * are incompatible pointer types. 79 */ 80 81 union ks_ 82 { 83 .DES_cblock cblock; 84 85 /** 86 * make sure things are correct size on machines with 87 * 8 byte longs 88 */ 89 libressl_d.openssl.opensslconf.DES_LONG[2] deslong; 90 } 91 92 struct DES_ks 93 { 94 .ks_[16] ks; 95 } 96 97 alias DES_key_schedule = .DES_ks; 98 99 enum DES_KEY_SZ = .DES_cblock.sizeof; 100 enum DES_SCHEDULE_SZ = .DES_key_schedule.sizeof; 101 102 enum DES_ENCRYPT = 1; 103 enum DES_DECRYPT = 0; 104 105 enum DES_CBC_MODE = 0; 106 enum DES_PCBC_MODE = 1; 107 108 pragma(inline, true) 109 void DES_ecb2_encrypt(.const_DES_cblock* i, .DES_cblock* o, .DES_key_schedule* k1, .DES_key_schedule* k2, int e) 110 111 do 112 { 113 .DES_ecb3_encrypt(i, o, k1, k2, k1, e); 114 } 115 116 pragma(inline, true) 117 void DES_ede2_cbc_encrypt(const (ubyte)* i, ubyte* o, core.stdc.config.c_long l, .DES_key_schedule* k1, .DES_key_schedule* k2, .DES_cblock* iv, int e) 118 119 do 120 { 121 .DES_ede3_cbc_encrypt(i, o, l, k1, k2, k1, iv, e); 122 } 123 124 pragma(inline, true) 125 void DES_ede2_cfb64_encrypt(const (ubyte)* i, ubyte* o, core.stdc.config.c_long l, .DES_key_schedule* k1, .DES_key_schedule* k2, .DES_cblock* iv, int* n, int e) 126 127 do 128 { 129 .DES_ede3_cfb64_encrypt(i, o, l, k1, k2, k1, iv, n, e); 130 } 131 132 pragma(inline, true) 133 void DES_ede2_ofb64_encrypt(const (ubyte)* i, ubyte* o, core.stdc.config.c_long l, .DES_key_schedule* k1, .DES_key_schedule* k2, .DES_cblock* iv, int* n) 134 135 do 136 { 137 .DES_ede3_ofb64_encrypt(i, o, l, k1, k2, k1, iv, n); 138 } 139 140 /** 141 * defaults to false 142 */ 143 extern __gshared int DES_check_key; 144 145 /** 146 * defaults to DES_PCBC_MODE 147 */ 148 extern __gshared int DES_rw_mode; 149 150 const (char)* DES_options(); 151 void DES_ecb3_encrypt(.const_DES_cblock* input, .DES_cblock* output, .DES_key_schedule* ks1, .DES_key_schedule* ks2, .DES_key_schedule* ks3, int enc); 152 libressl_d.openssl.opensslconf.DES_LONG DES_cbc_cksum(const (ubyte)* input, .DES_cblock* output, core.stdc.config.c_long length_, .DES_key_schedule* schedule, .const_DES_cblock* ivec); 153 /* DES_cbc_encrypt does not update the IV! Use DES_ncbc_encrypt instead. */ 154 void DES_cbc_encrypt(const (ubyte)* input, ubyte* output, core.stdc.config.c_long length_, .DES_key_schedule* schedule, .DES_cblock* ivec, int enc); 155 void DES_ncbc_encrypt(const (ubyte)* input, ubyte* output, core.stdc.config.c_long length_, .DES_key_schedule* schedule, .DES_cblock* ivec, int enc); 156 void DES_xcbc_encrypt(const (ubyte)* input, ubyte* output, core.stdc.config.c_long length_, .DES_key_schedule* schedule, .DES_cblock* ivec, .const_DES_cblock* inw, .const_DES_cblock* outw, int enc); 157 void DES_cfb_encrypt(const (ubyte)* in_, ubyte* out_, int numbits, core.stdc.config.c_long length_, .DES_key_schedule* schedule, .DES_cblock* ivec, int enc); 158 void DES_ecb_encrypt(.const_DES_cblock* input, .DES_cblock* output, .DES_key_schedule* ks, int enc); 159 160 /** 161 * This is the DES encryption function that gets called by just about 162 * every other DES routine in the library. You should not use this 163 * function except to implement 'modes' of DES. I say this because the 164 * functions that call this routine do the conversion from 'char *' to 165 * core.stdc.config.c_long, and this needs to be done to make sure 'non-aligned' memory 166 * access do not occur. The characters are loaded 'little endian'. 167 * Data is a pointer to 2 core.stdc.config.c_ulong's and ks is the 168 * DES_key_schedule to use. enc, is non zero specifies encryption, 169 * zero if decryption. 170 */ 171 void DES_encrypt1(libressl_d.openssl.opensslconf.DES_LONG* data, .DES_key_schedule* ks, int enc); 172 173 /** 174 * This functions is the same as DES_encrypt1() except that the DES 175 * initial permutation (IP) and final permutation (FP) have been left 176 * out. As for DES_encrypt1(), you should not use this function. 177 * It is used by the routines in the library that implement triple DES. 178 * IP() DES_encrypt2() DES_encrypt2() DES_encrypt2() FP() is the same 179 * as DES_encrypt1() DES_encrypt1() DES_encrypt1() except faster :-\). 180 */ 181 void DES_encrypt2(libressl_d.openssl.opensslconf.DES_LONG* data, .DES_key_schedule* ks, int enc); 182 183 void DES_encrypt3(libressl_d.openssl.opensslconf.DES_LONG* data, .DES_key_schedule* ks1, .DES_key_schedule* ks2, .DES_key_schedule* ks3); 184 void DES_decrypt3(libressl_d.openssl.opensslconf.DES_LONG* data, .DES_key_schedule* ks1, .DES_key_schedule* ks2, .DES_key_schedule* ks3); 185 void DES_ede3_cbc_encrypt(const (ubyte)* input, ubyte* output, core.stdc.config.c_long length_, .DES_key_schedule* ks1, .DES_key_schedule* ks2, .DES_key_schedule* ks3, .DES_cblock* ivec, int enc); 186 void DES_ede3_cbcm_encrypt(const (ubyte)* in_, ubyte* out_, core.stdc.config.c_long length_, .DES_key_schedule* ks1, .DES_key_schedule* ks2, .DES_key_schedule* ks3, .DES_cblock* ivec1, .DES_cblock* ivec2, int enc); 187 void DES_ede3_cfb64_encrypt(const (ubyte)* in_, ubyte* out_, core.stdc.config.c_long length_, .DES_key_schedule* ks1, .DES_key_schedule* ks2, .DES_key_schedule* ks3, .DES_cblock* ivec, int* num, int enc); 188 void DES_ede3_cfb_encrypt(const (ubyte)* in_, ubyte* out_, int numbits, core.stdc.config.c_long length_, .DES_key_schedule* ks1, .DES_key_schedule* ks2, .DES_key_schedule* ks3, .DES_cblock* ivec, int enc); 189 void DES_ede3_ofb64_encrypt(const (ubyte)* in_, ubyte* out_, core.stdc.config.c_long length_, .DES_key_schedule* ks1, .DES_key_schedule* ks2, .DES_key_schedule* ks3, .DES_cblock* ivec, int* num); 190 int DES_enc_read(int fd, void* buf, int len, .DES_key_schedule* sched, .DES_cblock* iv); 191 int DES_enc_write(int fd, const (void)* buf, int len, .DES_key_schedule* sched, .DES_cblock* iv); 192 char* DES_fcrypt(const (char)* buf, const (char)* salt, char* ret); 193 char* DES_crypt(const (char)* buf, const (char)* salt); 194 void DES_ofb_encrypt(const (ubyte)* in_, ubyte* out_, int numbits, core.stdc.config.c_long length_, .DES_key_schedule* schedule, .DES_cblock* ivec); 195 void DES_pcbc_encrypt(const (ubyte)* input, ubyte* output, core.stdc.config.c_long length_, .DES_key_schedule* schedule, .DES_cblock* ivec, int enc); 196 libressl_d.openssl.opensslconf.DES_LONG DES_quad_cksum(const (ubyte)* input, .DES_cblock* output, core.stdc.config.c_long length_, int out_count, .DES_cblock* seed); 197 int DES_random_key(.DES_cblock* ret); 198 void DES_set_odd_parity(.DES_cblock* key); 199 int DES_check_key_parity(.const_DES_cblock* key); 200 int DES_is_weak_key(.const_DES_cblock* key); 201 202 /** 203 * DES_set_key (= set_key = DES_key_sched = key_sched) calls 204 * DES_set_key_checked if global variable DES_check_key is set, 205 * DES_set_key_unchecked otherwise. 206 */ 207 int DES_set_key(.const_DES_cblock* key, .DES_key_schedule* schedule); 208 209 int DES_key_sched(.const_DES_cblock* key, .DES_key_schedule* schedule); 210 int DES_set_key_checked(.const_DES_cblock* key, .DES_key_schedule* schedule); 211 void DES_set_key_unchecked(.const_DES_cblock* key, .DES_key_schedule* schedule); 212 void DES_string_to_key(const (char)* str, .DES_cblock* key); 213 void DES_string_to_2keys(const (char)* str, .DES_cblock* key1, .DES_cblock* key2); 214 void DES_cfb64_encrypt(const (ubyte)* in_, ubyte* out_, core.stdc.config.c_long length_, .DES_key_schedule* schedule, .DES_cblock* ivec, int* num, int enc); 215 void DES_ofb64_encrypt(const (ubyte)* in_, ubyte* out_, core.stdc.config.c_long length_, .DES_key_schedule* schedule, .DES_cblock* ivec, int* num); 216 217 alias DES_fixup_key_parity = .DES_set_odd_parity;