1 /* 2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #include "des_locl.h" 11 #include <openssl/opensslv.h> 12 #include <openssl/bio.h> 13 14 15 const char *DES_options(void) 16 { 17 static int init = 1; 18 static char buf[32]; 19 20 if (init) { 21 const char *size; 22 23 if (sizeof(DES_LONG) != sizeof(long)) 24 size = "int"; 25 else 26 size = "long"; 27 BIO_snprintf(buf, sizeof(buf), "des(%s)", size); 28 init = 0; 29 } 30 return (buf); 31 } 32 33 void DES_ecb_encrypt(const_DES_cblock *input, DES_cblock *output, 34 DES_key_schedule *ks, int enc) 35 { 36 register DES_LONG l; 37 DES_LONG ll[2]; 38 const unsigned char *in = &(*input)[0]; 39 unsigned char *out = &(*output)[0]; 40 41 c2l(in, l); 42 ll[0] = l; 43 c2l(in, l); 44 ll[1] = l; 45 DES_encrypt1(ll, ks, enc); 46 l = ll[0]; 47 l2c(l, out); 48 l = ll[1]; 49 l2c(l, out); 50 l = ll[0] = ll[1] = 0; 51 } 52