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 use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #ifndef OPENSSL_RC5_H 11 # define OPENSSL_RC5_H 12 # pragma once 13 14 # include <openssl/macros.h> 15 # ifndef OPENSSL_NO_DEPRECATED_3_0 16 # define HEADER_RC5_H 17 # endif 18 19 # include <openssl/opensslconf.h> 20 21 # ifndef OPENSSL_NO_RC5 22 # ifdef __cplusplus 23 extern "C" { 24 # endif 25 26 # define RC5_32_BLOCK 8 27 # define RC5_32_KEY_LENGTH 16/* This is a default, max is 255 */ 28 29 # ifndef OPENSSL_NO_DEPRECATED_3_0 30 # define RC5_ENCRYPT 1 31 # define RC5_DECRYPT 0 32 33 # define RC5_32_INT unsigned int 34 35 /* 36 * This are the only values supported. Tweak the code if you want more The 37 * most supported modes will be RC5-32/12/16 RC5-32/16/8 38 */ 39 # define RC5_8_ROUNDS 8 40 # define RC5_12_ROUNDS 12 41 # define RC5_16_ROUNDS 16 42 43 typedef 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 # endif 49 # ifndef OPENSSL_NO_DEPRECATED_3_0 50 OSSL_DEPRECATEDIN_3_0 int RC5_32_set_key(RC5_32_KEY *key, int len, 51 const unsigned char *data, 52 int rounds); 53 OSSL_DEPRECATEDIN_3_0 void RC5_32_ecb_encrypt(const unsigned char *in, 54 unsigned char *out, 55 RC5_32_KEY *key, 56 int enc); 57 OSSL_DEPRECATEDIN_3_0 void RC5_32_encrypt(unsigned long *data, RC5_32_KEY *key); 58 OSSL_DEPRECATEDIN_3_0 void RC5_32_decrypt(unsigned long *data, RC5_32_KEY *key); 59 OSSL_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); 63 OSSL_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); 68 OSSL_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 # endif 73 74 # ifdef __cplusplus 75 } 76 # endif 77 # endif 78 79 #endif 80