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Diffstat (limited to 'libressl/include32/openssl/blowfish.h')
| -rw-r--r-- | libressl/include32/openssl/blowfish.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/libressl/include32/openssl/blowfish.h b/libressl/include32/openssl/blowfish.h new file mode 100644 index 00000000..4d2db805 --- /dev/null +++ b/libressl/include32/openssl/blowfish.h @@ -0,0 +1,112 @@ +/* $OpenBSD: blowfish.h,v 1.14 2014/07/10 09:01:04 miod Exp $ */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#ifndef HEADER_BLOWFISH_H +#define HEADER_BLOWFISH_H + +#include <openssl/opensslconf.h> + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef OPENSSL_NO_BF +#error BF is disabled. +#endif + +#define BF_ENCRYPT 1 +#define BF_DECRYPT 0 + +/* + * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + * ! BF_LONG has to be at least 32 bits wide. If it's wider, then ! + * ! BF_LONG_LOG2 has to be defined along. ! + * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + */ + +#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 |