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 * RC2 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 <openssl/rc2.h> 17e1051a39Sopenharmony_ci#include "rc2_local.h" 18e1051a39Sopenharmony_ci#include <openssl/opensslv.h> 19e1051a39Sopenharmony_ci 20e1051a39Sopenharmony_ci/*- 21e1051a39Sopenharmony_ci * RC2 as implemented frm a posting from 22e1051a39Sopenharmony_ci * Newsgroups: sci.crypt 23e1051a39Sopenharmony_ci * Subject: Specification for Ron Rivests Cipher No.2 24e1051a39Sopenharmony_ci * Message-ID: <4fk39f$f70@net.auckland.ac.nz> 25e1051a39Sopenharmony_ci * Date: 11 Feb 1996 06:45:03 GMT 26e1051a39Sopenharmony_ci */ 27e1051a39Sopenharmony_ci 28e1051a39Sopenharmony_civoid RC2_ecb_encrypt(const unsigned char *in, unsigned char *out, RC2_KEY *ks, 29e1051a39Sopenharmony_ci int encrypt) 30e1051a39Sopenharmony_ci{ 31e1051a39Sopenharmony_ci unsigned long l, d[2]; 32e1051a39Sopenharmony_ci 33e1051a39Sopenharmony_ci c2l(in, l); 34e1051a39Sopenharmony_ci d[0] = l; 35e1051a39Sopenharmony_ci c2l(in, l); 36e1051a39Sopenharmony_ci d[1] = l; 37e1051a39Sopenharmony_ci if (encrypt) 38e1051a39Sopenharmony_ci RC2_encrypt(d, ks); 39e1051a39Sopenharmony_ci else 40e1051a39Sopenharmony_ci RC2_decrypt(d, ks); 41e1051a39Sopenharmony_ci l = d[0]; 42e1051a39Sopenharmony_ci l2c(l, out); 43e1051a39Sopenharmony_ci l = d[1]; 44e1051a39Sopenharmony_ci l2c(l, out); 45e1051a39Sopenharmony_ci l = d[0] = d[1] = 0; 46e1051a39Sopenharmony_ci} 47