jpayne@69: /*
jpayne@69:  * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
jpayne@69:  *
jpayne@69:  * Licensed under the OpenSSL license (the "License").  You may not use
jpayne@69:  * this file except in compliance with the License.  You can obtain a copy
jpayne@69:  * in the file LICENSE in the source distribution or at
jpayne@69:  * https://www.openssl.org/source/license.html
jpayne@69:  */
jpayne@69: 
jpayne@69: #ifndef HEADER_BLOWFISH_H
jpayne@69: # define HEADER_BLOWFISH_H
jpayne@69: 
jpayne@69: # include <openssl/opensslconf.h>
jpayne@69: 
jpayne@69: # ifndef OPENSSL_NO_BF
jpayne@69: # include <openssl/e_os2.h>
jpayne@69: # ifdef  __cplusplus
jpayne@69: extern "C" {
jpayne@69: # endif
jpayne@69: 
jpayne@69: # define BF_ENCRYPT      1
jpayne@69: # define BF_DECRYPT      0
jpayne@69: 
jpayne@69: /*-
jpayne@69:  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
jpayne@69:  * ! BF_LONG has to be at least 32 bits wide.                     !
jpayne@69:  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
jpayne@69:  */
jpayne@69: # define BF_LONG unsigned int
jpayne@69: 
jpayne@69: # define BF_ROUNDS       16
jpayne@69: # define BF_BLOCK        8
jpayne@69: 
jpayne@69: typedef struct bf_key_st {
jpayne@69:     BF_LONG P[BF_ROUNDS + 2];
jpayne@69:     BF_LONG S[4 * 256];
jpayne@69: } BF_KEY;
jpayne@69: 
jpayne@69: void BF_set_key(BF_KEY *key, int len, const unsigned char *data);
jpayne@69: 
jpayne@69: void BF_encrypt(BF_LONG *data, const BF_KEY *key);
jpayne@69: void BF_decrypt(BF_LONG *data, const BF_KEY *key);
jpayne@69: 
jpayne@69: void BF_ecb_encrypt(const unsigned char *in, unsigned char *out,
jpayne@69:                     const BF_KEY *key, int enc);
jpayne@69: void BF_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
jpayne@69:                     const BF_KEY *schedule, unsigned char *ivec, int enc);
jpayne@69: void BF_cfb64_encrypt(const unsigned char *in, unsigned char *out,
jpayne@69:                       long length, const BF_KEY *schedule,
jpayne@69:                       unsigned char *ivec, int *num, int enc);
jpayne@69: void BF_ofb64_encrypt(const unsigned char *in, unsigned char *out,
jpayne@69:                       long length, const BF_KEY *schedule,
jpayne@69:                       unsigned char *ivec, int *num);
jpayne@69: const char *BF_options(void);
jpayne@69: 
jpayne@69: # ifdef  __cplusplus
jpayne@69: }
jpayne@69: # endif
jpayne@69: # endif
jpayne@69: 
jpayne@69: #endif