lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 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_BLOWFISH_H |
| 11 | # define HEADER_BLOWFISH_H |
| 12 | |
| 13 | # include <openssl/opensslconf.h> |
| 14 | |
| 15 | # ifndef OPENSSL_NO_BF |
| 16 | # include <openssl/e_os2.h> |
| 17 | # ifdef __cplusplus |
| 18 | extern "C" { |
| 19 | # endif |
| 20 | |
| 21 | # define BF_ENCRYPT 1 |
| 22 | # define BF_DECRYPT 0 |
| 23 | |
| 24 | /*- |
| 25 | * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
| 26 | * ! BF_LONG has to be at least 32 bits wide. ! |
| 27 | * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
| 28 | */ |
| 29 | # define BF_LONG unsigned int |
| 30 | |
| 31 | # define BF_ROUNDS 16 |
| 32 | # define BF_BLOCK 8 |
| 33 | |
| 34 | typedef struct bf_key_st { |
| 35 | BF_LONG P[BF_ROUNDS + 2]; |
| 36 | BF_LONG S[4 * 256]; |
| 37 | } BF_KEY; |
| 38 | |
| 39 | void BF_set_key(BF_KEY *key, int len, const unsigned char *data); |
| 40 | |
| 41 | void BF_encrypt(BF_LONG *data, const BF_KEY *key); |
| 42 | void BF_decrypt(BF_LONG *data, const BF_KEY *key); |
| 43 | |
| 44 | void BF_ecb_encrypt(const unsigned char *in, unsigned char *out, |
| 45 | const BF_KEY *key, int enc); |
| 46 | void BF_cbc_encrypt(const unsigned char *in, unsigned char *out, long length, |
| 47 | const BF_KEY *schedule, unsigned char *ivec, int enc); |
| 48 | void BF_cfb64_encrypt(const unsigned char *in, unsigned char *out, |
| 49 | long length, const BF_KEY *schedule, |
| 50 | unsigned char *ivec, int *num, int enc); |
| 51 | void BF_ofb64_encrypt(const unsigned char *in, unsigned char *out, |
| 52 | long length, const BF_KEY *schedule, |
| 53 | unsigned char *ivec, int *num); |
| 54 | const char *BF_options(void); |
| 55 | |
| 56 | # ifdef __cplusplus |
| 57 | } |
| 58 | # endif |
| 59 | # endif |
| 60 | |
| 61 | #endif |