1/* 2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (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/* 11 * DES low level APIs are deprecated for public use, but still ok for internal 12 * use. 13 */ 14#include "internal/deprecated.h" 15 16#include "des_local.h" 17 18void DES_ecb3_encrypt(const_DES_cblock *input, DES_cblock *output, 19 DES_key_schedule *ks1, DES_key_schedule *ks2, 20 DES_key_schedule *ks3, int enc) 21{ 22 register DES_LONG l0, l1; 23 DES_LONG ll[2]; 24 const unsigned char *in = &(*input)[0]; 25 unsigned char *out = &(*output)[0]; 26 27 c2l(in, l0); 28 c2l(in, l1); 29 ll[0] = l0; 30 ll[1] = l1; 31 if (enc) 32 DES_encrypt3(ll, ks1, ks2, ks3); 33 else 34 DES_decrypt3(ll, ks1, ks2, ks3); 35 l0 = ll[0]; 36 l1 = ll[1]; 37 l2c(l0, out); 38 l2c(l1, out); 39} 40