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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 use5 * this file except in compliance with the License.  You can obtain a copy6 * in the file LICENSE in the source distribution or at7 * https://www.openssl.org/source/license.html8 */9 10#ifndef OPENSSL_RC5_H11#define OPENSSL_RC5_H12#pragma once13 14#include <openssl/macros.h>15#ifndef OPENSSL_NO_DEPRECATED_3_016#define HEADER_RC5_H17#endif18 19#include <openssl/opensslconf.h>20 21#ifndef OPENSSL_NO_RC522#ifdef __cplusplus23extern "C" {24#endif25 26#define RC5_32_BLOCK 827#define RC5_32_KEY_LENGTH 16 /* This is a default, max is 255 */28 29#ifndef OPENSSL_NO_DEPRECATED_3_030#define RC5_ENCRYPT 131#define RC5_DECRYPT 032 33#define RC5_32_INT unsigned int34 35/*36 * This are the only values supported.  Tweak the code if you want more The37 * most supported modes will be RC5-32/12/16 RC5-32/16/838 */39#define RC5_8_ROUNDS 840#define RC5_12_ROUNDS 1241#define RC5_16_ROUNDS 1642 43typedef struct rc5_key_st {44    /* Number of rounds */45    int rounds;46    RC5_32_INT data[2 * (RC5_16_ROUNDS + 1)];47} RC5_32_KEY;48#endif49#ifndef OPENSSL_NO_DEPRECATED_3_050OSSL_DEPRECATEDIN_3_0 int RC5_32_set_key(RC5_32_KEY *key, int len,51    const unsigned char *data,52    int rounds);53OSSL_DEPRECATEDIN_3_0 void RC5_32_ecb_encrypt(const unsigned char *in,54    unsigned char *out,55    RC5_32_KEY *key,56    int enc);57OSSL_DEPRECATEDIN_3_0 void RC5_32_encrypt(unsigned long *data, RC5_32_KEY *key);58OSSL_DEPRECATEDIN_3_0 void RC5_32_decrypt(unsigned long *data, RC5_32_KEY *key);59OSSL_DEPRECATEDIN_3_0 void RC5_32_cbc_encrypt(const unsigned char *in,60    unsigned char *out, long length,61    RC5_32_KEY *ks, unsigned char *iv,62    int enc);63OSSL_DEPRECATEDIN_3_0 void RC5_32_cfb64_encrypt(const unsigned char *in,64    unsigned char *out, long length,65    RC5_32_KEY *schedule,66    unsigned char *ivec, int *num,67    int enc);68OSSL_DEPRECATEDIN_3_0 void RC5_32_ofb64_encrypt(const unsigned char *in,69    unsigned char *out, long length,70    RC5_32_KEY *schedule,71    unsigned char *ivec, int *num);72#endif73 74#ifdef __cplusplus75}76#endif77#endif78 79#endif80