blowfish.h
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/*
* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (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 HEADER_BLOWFISH_H
# define HEADER_BLOWFISH_H
# include <openssl/opensslconf.h>
# ifndef OPENSSL_NO_BF
# include <openssl/e_os2.h>
# ifdef __cplusplus
extern "C" {
# endif
# define BF_ENCRYPT 1
# define BF_DECRYPT 0
/*-
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
* ! BF_LONG has to be at least 32 bits wide. !
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
*/
# define BF_LONG unsigned int
# define BF_ROUNDS 16
# define BF_BLOCK 8
typedef struct bf_key_st {
BF_LONG P[BF_ROUNDS + 2];
BF_LONG S[4 * 256];
} BF_KEY;
void BF_set_key(BF_KEY *key, int len, const unsigned char *data);
void BF_encrypt(BF_LONG *data, const BF_KEY *key);
void BF_decrypt(BF_LONG *data, const BF_KEY *key);
void BF_ecb_encrypt(const unsigned char *in, unsigned char *out,
const BF_KEY *key, int enc);
void BF_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
const BF_KEY *schedule, unsigned char *ivec, int enc);
void BF_cfb64_encrypt(const unsigned char *in, unsigned char *out,
long length, const BF_KEY *schedule,
unsigned char *ivec, int *num, int enc);
void BF_ofb64_encrypt(const unsigned char *in, unsigned char *out,
long length, const BF_KEY *schedule,
unsigned char *ivec, int *num);
const char *BF_options(void);
# ifdef __cplusplus
}
# endif
# endif
#endif