| 1 | /*
|
|---|
| 2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
|
|---|
| 3 | *
|
|---|
| 4 | * Licensed under the OpenSSL license (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 HEADER_RC5_H
|
|---|
| 11 | # define HEADER_RC5_H
|
|---|
| 12 |
|
|---|
| 13 | # include <openssl/opensslconf.h>
|
|---|
| 14 |
|
|---|
| 15 | # ifndef OPENSSL_NO_RC5
|
|---|
| 16 | # ifdef __cplusplus
|
|---|
| 17 | extern "C" {
|
|---|
| 18 | # endif
|
|---|
| 19 |
|
|---|
| 20 | # define RC5_ENCRYPT 1
|
|---|
| 21 | # define RC5_DECRYPT 0
|
|---|
| 22 |
|
|---|
| 23 | # define RC5_32_INT unsigned int
|
|---|
| 24 |
|
|---|
| 25 | # define RC5_32_BLOCK 8
|
|---|
| 26 | # define RC5_32_KEY_LENGTH 16/* This is a default, max is 255 */
|
|---|
| 27 |
|
|---|
| 28 | /*
|
|---|
| 29 | * This are the only values supported. Tweak the code if you want more The
|
|---|
| 30 | * most supported modes will be RC5-32/12/16 RC5-32/16/8
|
|---|
| 31 | */
|
|---|
| 32 | # define RC5_8_ROUNDS 8
|
|---|
| 33 | # define RC5_12_ROUNDS 12
|
|---|
| 34 | # define RC5_16_ROUNDS 16
|
|---|
| 35 |
|
|---|
| 36 | typedef struct rc5_key_st {
|
|---|
| 37 | /* Number of rounds */
|
|---|
| 38 | int rounds;
|
|---|
| 39 | RC5_32_INT data[2 * (RC5_16_ROUNDS + 1)];
|
|---|
| 40 | } RC5_32_KEY;
|
|---|
| 41 |
|
|---|
| 42 | void RC5_32_set_key(RC5_32_KEY *key, int len, const unsigned char *data,
|
|---|
| 43 | int rounds);
|
|---|
| 44 | void RC5_32_ecb_encrypt(const unsigned char *in, unsigned char *out,
|
|---|
| 45 | RC5_32_KEY *key, int enc);
|
|---|
| 46 | void RC5_32_encrypt(unsigned long *data, RC5_32_KEY *key);
|
|---|
| 47 | void RC5_32_decrypt(unsigned long *data, RC5_32_KEY *key);
|
|---|
| 48 | void RC5_32_cbc_encrypt(const unsigned char *in, unsigned char *out,
|
|---|
| 49 | long length, RC5_32_KEY *ks, unsigned char *iv,
|
|---|
| 50 | int enc);
|
|---|
| 51 | void RC5_32_cfb64_encrypt(const unsigned char *in, unsigned char *out,
|
|---|
| 52 | long length, RC5_32_KEY *schedule,
|
|---|
| 53 | unsigned char *ivec, int *num, int enc);
|
|---|
| 54 | void RC5_32_ofb64_encrypt(const unsigned char *in, unsigned char *out,
|
|---|
| 55 | long length, RC5_32_KEY *schedule,
|
|---|
| 56 | unsigned char *ivec, int *num);
|
|---|
| 57 |
|
|---|
| 58 | # ifdef __cplusplus
|
|---|
| 59 | }
|
|---|
| 60 | # endif
|
|---|
| 61 | # endif
|
|---|
| 62 |
|
|---|
| 63 | #endif
|
|---|
