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- /*
- * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the Apache License 2.0 (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 OPENSSL_RC5_H
- # define OPENSSL_RC5_H
- # pragma once
- # include <openssl/macros.h>
- # ifndef OPENSSL_NO_DEPRECATED_3_0
- # define HEADER_RC5_H
- # endif
- # include <openssl/opensslconf.h>
- # ifndef OPENSSL_NO_RC5
- # ifdef __cplusplus
- extern "C" {
- # endif
- # define RC5_32_BLOCK 8
- # define RC5_32_KEY_LENGTH 16/* This is a default, max is 255 */
- # ifndef OPENSSL_NO_DEPRECATED_3_0
- # define RC5_ENCRYPT 1
- # define RC5_DECRYPT 0
- # define RC5_32_INT unsigned int
- /*
- * 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;
- # endif
- # ifndef OPENSSL_NO_DEPRECATED_3_0
- OSSL_DEPRECATEDIN_3_0 int RC5_32_set_key(RC5_32_KEY *key, int len,
- const unsigned char *data,
- int rounds);
- OSSL_DEPRECATEDIN_3_0 void RC5_32_ecb_encrypt(const unsigned char *in,
- unsigned char *out,
- RC5_32_KEY *key,
- int enc);
- OSSL_DEPRECATEDIN_3_0 void RC5_32_encrypt(unsigned long *data, RC5_32_KEY *key);
- OSSL_DEPRECATEDIN_3_0 void RC5_32_decrypt(unsigned long *data, RC5_32_KEY *key);
- OSSL_DEPRECATEDIN_3_0 void RC5_32_cbc_encrypt(const unsigned char *in,
- unsigned char *out, long length,
- RC5_32_KEY *ks, unsigned char *iv,
- int enc);
- OSSL_DEPRECATEDIN_3_0 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);
- OSSL_DEPRECATEDIN_3_0 void RC5_32_ofb64_encrypt(const unsigned char *in,
- unsigned char *out, long length,
- RC5_32_KEY *schedule,
- unsigned char *ivec, int *num);
- # endif
- # ifdef __cplusplus
- }
- # endif
- # endif
- #endif
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