You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
149 lines
6.6 KiB
149 lines
6.6 KiB
/* 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 OPENSSL_HEADER_DES_H
|
|
#define OPENSSL_HEADER_DES_H
|
|
|
|
#include <openssl/base.h>
|
|
|
|
#if defined(__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
/* DES. */
|
|
|
|
|
|
typedef struct DES_cblock_st {
|
|
uint8_t bytes[8];
|
|
} DES_cblock;
|
|
|
|
typedef struct DES_ks {
|
|
union {
|
|
DES_cblock cblock;
|
|
/* make sure things are correct size on machines with
|
|
* 8 byte longs */
|
|
uint32_t deslong[2];
|
|
} ks[16];
|
|
} DES_key_schedule;
|
|
|
|
|
|
#define DES_KEY_SZ (sizeof(DES_cblock))
|
|
#define DES_SCHEDULE_SZ (sizeof(DES_key_schedule))
|
|
|
|
#define DES_ENCRYPT 1
|
|
#define DES_DECRYPT 0
|
|
|
|
#define DES_CBC_MODE 0
|
|
#define DES_PCBC_MODE 1
|
|
|
|
/* DES_set_key performs a key schedule and initialises |schedule| with |key|. */
|
|
OPENSSL_EXPORT void DES_set_key(const DES_cblock *key,
|
|
DES_key_schedule *schedule);
|
|
|
|
/* DES_set_odd_parity sets the parity bits (the least-significant bits in each
|
|
* byte) of |key| given the other bits in each byte. */
|
|
OPENSSL_EXPORT void DES_set_odd_parity(DES_cblock *key);
|
|
|
|
/* DES_ecb_encrypt encrypts (or decrypts, if |is_encrypt| is |DES_DECRYPT|) a
|
|
* single DES block (8 bytes) from in to out, using the key configured in
|
|
* |schedule|. */
|
|
OPENSSL_EXPORT void DES_ecb_encrypt(const DES_cblock *in, DES_cblock *out,
|
|
const DES_key_schedule *schedule,
|
|
int is_encrypt);
|
|
|
|
/* DES_ncbc_encrypt encrypts (or decrypts, if |enc| is |DES_DECRYPT|) |len|
|
|
* bytes from |in| to |out| with DES in CBC mode. */
|
|
OPENSSL_EXPORT void DES_ncbc_encrypt(const uint8_t *in, uint8_t *out,
|
|
size_t len,
|
|
const DES_key_schedule *schedule,
|
|
DES_cblock *ivec, int enc);
|
|
|
|
/* DES_ecb3_encrypt encrypts (or decrypts, if |enc| is |DES_DECRYPT|) a single
|
|
* block (8 bytes) of data from |input| to |output| using 3DES. */
|
|
OPENSSL_EXPORT void DES_ecb3_encrypt(const DES_cblock *input,
|
|
DES_cblock *output,
|
|
const DES_key_schedule *ks1,
|
|
const DES_key_schedule *ks2,
|
|
const DES_key_schedule *ks3,
|
|
int enc);
|
|
|
|
/* DES_ede3_cbc_encrypt encrypts (or decrypts, if |enc| is |DES_DECRYPT|) |len|
|
|
* bytes from |in| to |out| with 3DES in CBC mode. 3DES uses three keys, thus
|
|
* the function takes three different |DES_key_schedule|s. */
|
|
OPENSSL_EXPORT void DES_ede3_cbc_encrypt(const uint8_t *in, uint8_t *out,
|
|
size_t len,
|
|
const DES_key_schedule *ks1,
|
|
const DES_key_schedule *ks2,
|
|
const DES_key_schedule *ks3,
|
|
DES_cblock *ivec, int enc);
|
|
|
|
/* DES_ede2_cbc_encrypt encrypts (or decrypts, if |enc| is |DES_DECRYPT|) |len|
|
|
* bytes from |in| to |out| with 3DES in CBC mode. With this keying option, the
|
|
* first and third 3DES keys are identical. Thus, this function takes only two
|
|
* different |DES_key_schedule|s. */
|
|
OPENSSL_EXPORT void DES_ede2_cbc_encrypt(const uint8_t *in, uint8_t *out,
|
|
size_t len,
|
|
const DES_key_schedule *ks1,
|
|
const DES_key_schedule *ks2,
|
|
DES_cblock *ivec, int enc);
|
|
|
|
|
|
#if defined(__cplusplus)
|
|
} /* extern C */
|
|
#endif
|
|
|
|
#endif /* OPENSSL_HEADER_DES_H */
|
|
|