/* * 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 # 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