1 /* $OpenBSD: ecb_enc.c,v 1.15 2014/07/09 11:10:50 bcook Exp $ */ 2 /* Copyright (C) 1995-1998 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 #include "des_locl.h" 60 #include <openssl/opensslv.h> 61 #include <openssl/bio.h> 62 63 const char *DES_options(void) 64 { 65 static int init=1; 66 static char buf[32]; 67 68 if (init) 69 { 70 const char *ptr,*unroll,*risc,*size; 71 72 #ifdef DES_PTR 73 ptr="ptr"; 74 #else 75 ptr="idx"; 76 #endif 77 #if defined(DES_RISC1) || defined(DES_RISC2) 78 #ifdef DES_RISC1 79 risc="risc1"; 80 #endif 81 #ifdef DES_RISC2 82 risc="risc2"; 83 #endif 84 #else 85 risc="cisc"; 86 #endif 87 #ifdef DES_UNROLL 88 unroll="16"; 89 #else 90 unroll="2"; 91 #endif 92 if (sizeof(DES_LONG) != sizeof(long)) 93 size="int"; 94 else 95 size="long"; 96 snprintf(buf,sizeof buf,"des(%s,%s,%s,%s)",ptr,risc,unroll, 97 size); 98 init=0; 99 } 100 return(buf); 101 } 102 103 104 void DES_ecb_encrypt(const_DES_cblock *input, DES_cblock *output, 105 DES_key_schedule *ks, int enc) 106 { 107 DES_LONG l; 108 DES_LONG ll[2]; 109 const unsigned char *in = &(*input)[0]; 110 unsigned char *out = &(*output)[0]; 111 112 c2l(in,l); ll[0]=l; 113 c2l(in,l); ll[1]=l; 114 DES_encrypt1(ll,ks,enc); 115 l=ll[0]; l2c(l,out); 116 l=ll[1]; l2c(l,out); 117 l=ll[0]=ll[1]=0; 118 } 119