| /* |
| * 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 |
| */ |
| |
| #ifndef HEADER_RC5_H |
| # define HEADER_RC5_H |
| |
| # include <openssl/opensslconf.h> |
| |
| # ifndef OPENSSL_NO_RC5 |
| # ifdef __cplusplus |
| extern "C" { |
| # endif |
| |
| # define RC5_ENCRYPT 1 |
| # define RC5_DECRYPT 0 |
| |
| # define RC5_32_INT unsigned int |
| |
| # define RC5_32_BLOCK 8 |
| # define RC5_32_KEY_LENGTH 16/* This is a default, max is 255 */ |
| |
| /* |
| * This are the only values supported. Tweak the code if you want more The |
| * most supported modes will be RC5-32/12/16 RC5-32/16/8 |
| */ |
| # define RC5_8_ROUNDS 8 |
| # define RC5_12_ROUNDS 12 |
| # define RC5_16_ROUNDS 16 |
| |
| typedef struct rc5_key_st { |
| /* Number of rounds */ |
| int rounds; |
| RC5_32_INT data[2 * (RC5_16_ROUNDS + 1)]; |
| } RC5_32_KEY; |
| |
| void RC5_32_set_key(RC5_32_KEY *key, int len, const unsigned char *data, |
| int rounds); |
| void RC5_32_ecb_encrypt(const unsigned char *in, unsigned char *out, |
| RC5_32_KEY *key, int enc); |
| void RC5_32_encrypt(unsigned long *data, RC5_32_KEY *key); |
| void RC5_32_decrypt(unsigned long *data, RC5_32_KEY *key); |
| void RC5_32_cbc_encrypt(const unsigned char *in, unsigned char *out, |
| long length, RC5_32_KEY *ks, unsigned char *iv, |
| int enc); |
| void RC5_32_cfb64_encrypt(const unsigned char *in, unsigned char *out, |
| long length, RC5_32_KEY *schedule, |
| unsigned char *ivec, int *num, int enc); |
| void RC5_32_ofb64_encrypt(const unsigned char *in, unsigned char *out, |
| long length, RC5_32_KEY *schedule, |
| unsigned char *ivec, int *num); |
| |
| # ifdef __cplusplus |
| } |
| # endif |
| # endif |
| |
| #endif |