1e1051a39Sopenharmony_ci/* 2e1051a39Sopenharmony_ci * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. 3e1051a39Sopenharmony_ci * 4e1051a39Sopenharmony_ci * Licensed under the Apache License 2.0 (the "License"). You may not use 5e1051a39Sopenharmony_ci * this file except in compliance with the License. You can obtain a copy 6e1051a39Sopenharmony_ci * in the file LICENSE in the source distribution or at 7e1051a39Sopenharmony_ci * https://www.openssl.org/source/license.html 8e1051a39Sopenharmony_ci */ 9e1051a39Sopenharmony_ci 10e1051a39Sopenharmony_ci/* 11e1051a39Sopenharmony_ci * DES low level APIs are deprecated for public use, but still ok for internal 12e1051a39Sopenharmony_ci * use. 13e1051a39Sopenharmony_ci */ 14e1051a39Sopenharmony_ci#include "internal/deprecated.h" 15e1051a39Sopenharmony_ci 16e1051a39Sopenharmony_ci#include "des_local.h" 17e1051a39Sopenharmony_ci#include <openssl/opensslv.h> 18e1051a39Sopenharmony_ci#include <openssl/bio.h> 19e1051a39Sopenharmony_ci 20e1051a39Sopenharmony_ci 21e1051a39Sopenharmony_ciconst char *DES_options(void) 22e1051a39Sopenharmony_ci{ 23e1051a39Sopenharmony_ci static int init = 1; 24e1051a39Sopenharmony_ci static char buf[12]; 25e1051a39Sopenharmony_ci 26e1051a39Sopenharmony_ci if (init) { 27e1051a39Sopenharmony_ci if (sizeof(DES_LONG) != sizeof(long)) 28e1051a39Sopenharmony_ci OPENSSL_strlcpy(buf, "des(int)", sizeof(buf)); 29e1051a39Sopenharmony_ci else 30e1051a39Sopenharmony_ci OPENSSL_strlcpy(buf, "des(long)", sizeof(buf)); 31e1051a39Sopenharmony_ci init = 0; 32e1051a39Sopenharmony_ci } 33e1051a39Sopenharmony_ci return buf; 34e1051a39Sopenharmony_ci} 35e1051a39Sopenharmony_ci 36e1051a39Sopenharmony_civoid DES_ecb_encrypt(const_DES_cblock *input, DES_cblock *output, 37e1051a39Sopenharmony_ci DES_key_schedule *ks, int enc) 38e1051a39Sopenharmony_ci{ 39e1051a39Sopenharmony_ci register DES_LONG l; 40e1051a39Sopenharmony_ci DES_LONG ll[2]; 41e1051a39Sopenharmony_ci const unsigned char *in = &(*input)[0]; 42e1051a39Sopenharmony_ci unsigned char *out = &(*output)[0]; 43e1051a39Sopenharmony_ci 44e1051a39Sopenharmony_ci c2l(in, l); 45e1051a39Sopenharmony_ci ll[0] = l; 46e1051a39Sopenharmony_ci c2l(in, l); 47e1051a39Sopenharmony_ci ll[1] = l; 48e1051a39Sopenharmony_ci DES_encrypt1(ll, ks, enc); 49e1051a39Sopenharmony_ci l = ll[0]; 50e1051a39Sopenharmony_ci l2c(l, out); 51e1051a39Sopenharmony_ci l = ll[1]; 52e1051a39Sopenharmony_ci l2c(l, out); 53e1051a39Sopenharmony_ci l = ll[0] = ll[1] = 0; 54e1051a39Sopenharmony_ci} 55