A local copy of OpenSSL from GitHub
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/*
* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include "des_locl.h"
#include <openssl/opensslv.h>
#include <openssl/bio.h>
const char *DES_options(void)
{
static int init = 1;
static char buf[32];
if (init) {
const char *size;
if (sizeof(DES_LONG) != sizeof(long))
size = "int";
else
size = "long";
BIO_snprintf(buf, sizeof buf, "des(%s)", size);
init = 0;
}
return (buf);
}
void DES_ecb_encrypt(const_DES_cblock *input, DES_cblock *output,
DES_key_schedule *ks, int enc)
{
register DES_LONG l;
DES_LONG ll[2];
const unsigned char *in = &(*input)[0];
unsigned char *out = &(*output)[0];
c2l(in, l);
ll[0] = l;
c2l(in, l);
ll[1] = l;
DES_encrypt1(ll, ks, enc);
l = ll[0];
l2c(l, out);
l = ll[1];
l2c(l, out);
l = ll[0] = ll[1] = 0;
}