mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-11-11 01:55:38 +08:00
115 lines
4.6 KiB
C
115 lines
4.6 KiB
C
/* des.h */
|
|
/*
|
|
This file is part of the ARM-Crypto-Lib.
|
|
Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/**
|
|
* \file des.h
|
|
* \author Daniel Otte
|
|
* \date 2007-06-16
|
|
* \brief des and tdes declarations
|
|
* \license GPLv3 or later
|
|
*
|
|
*/
|
|
#ifndef __DES_H_
|
|
#define __DES_H_
|
|
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
|
|
/* the FIPS 46-3 (1999-10-25) name for triple DES is triple data encryption algorithm so TDEA.
|
|
* Also we only implement the three key mode */
|
|
|
|
/** \def tdea_enc
|
|
* \brief defining an alias for void tdes_enc(void* out, const void* in, const void* key)
|
|
*/
|
|
|
|
/** \def tdea_dec
|
|
* \brief defining an alias for void tdes_dec(void* out, const void* in, const void* key)
|
|
*/
|
|
|
|
#define tdea_enc tdes_enc
|
|
#define tdea_dec tdes_dec
|
|
|
|
/** \fn void des_enc(void* out, const void* in, const void* key)
|
|
* \brief encrypt a block with DES
|
|
*
|
|
* This function encrypts a block of 64 bits (8 bytes) with the DES algorithm.
|
|
* Key expansion is done automatically. The key is 64 bits long, but note that
|
|
* only 56 bits are used (the LSB of each byte is dropped). The input and output
|
|
* blocks may overlap.
|
|
*
|
|
* \param out pointer to the block (64 bit = 8 byte) where the ciphertext is written to
|
|
* \param in pointer to the block (64 bit = 8 byte) where the plaintext is read from
|
|
* \param key pointer to the key (64 bit = 8 byte)
|
|
*/
|
|
void des_enc(void *out, const void *in, const void *key);
|
|
|
|
/** \fn void des_dec(void* out, const void* in, const void* key)
|
|
* \brief decrypt a block with DES
|
|
*
|
|
* This function decrypts a block of 64 bits (8 bytes) with the DES algorithm.
|
|
* Key expansion is done automatically. The key is 64 bits long, but note that
|
|
* only 56 bits are used (the LSB of each byte is dropped). The input and output
|
|
* blocks may overlap.
|
|
*
|
|
* \param out pointer to the block (64 bit = 8 byte) where the plaintext is written to
|
|
* \param in pointer to the block (64 bit = 8 byte) where the ciphertext is read from
|
|
* \param key pointer to the key (64 bit = 8 byte)
|
|
*/
|
|
//void des_dec(void* out, const void* in, const void* key);
|
|
void des_dec(void *out, const void *in, const uint8_t *key);
|
|
|
|
/** \fn void tdes_enc(void* out, const void* in, const void* key)
|
|
* \brief encrypt a block with Tripple-DES
|
|
*
|
|
* This function encrypts a block of 64 bits (8 bytes) with the Tripple-DES (EDE)
|
|
* algorithm. Key expansion is done automatically. The key is 192 bits long, but
|
|
* note that only 178 bits are used (the LSB of each byte is dropped). The input
|
|
* and output blocks may overlap.
|
|
*
|
|
* \param out pointer to the block (64 bit = 8 byte) where the ciphertext is written to
|
|
* \param in pointer to the block (64 bit = 8 byte) where the plaintext is read from
|
|
* \param key pointer to the key (192 bit = 24 byte)
|
|
*/
|
|
//void tdes_enc(void* out, const void* in, const void* key);
|
|
void tdes_enc(void *out, void *in, const void *key);
|
|
|
|
/** \fn void tdes_dec(void* out, const void* in, const void* key)
|
|
* \brief decrypt a block with Tripple-DES
|
|
*
|
|
* This function decrypts a block of 64 bits (8 bytes) with the Tripple-DES (EDE)
|
|
* algorithm. Key expansion is done automatically. The key is 192 bits long, but
|
|
* note that only 178 bits are used (the LSB of each byte is dropped). The input
|
|
* and output blocks may overlap.
|
|
*
|
|
* \param out pointer to the block (64 bit = 8 byte) where the plaintext is written to
|
|
* \param in pointer to the block (64 bit = 8 byte) where the ciphertext is read from
|
|
* \param key pointer to the key (192 bit = 24 byte)
|
|
*/
|
|
//void tdes_dec(void* out, const void* in, const void* key);
|
|
void tdes_dec(void *out, void *in, const uint8_t *key);
|
|
|
|
void tdes_2key_enc(void *out, const void *in, size_t length, const void *key, unsigned char iv[8]);
|
|
void tdes_2key_dec(void *out, const void *in, size_t length, const void *key, unsigned char iv[8]);
|
|
|
|
// Copied from des.h in desfire imp.
|
|
typedef unsigned long DES_KS[16][2]; /* Single-key DES key schedule */
|
|
typedef unsigned long DES3_KS[48][2]; /* Triple-DES key schedule */
|
|
|
|
extern int Asmversion; /* 1 if we're linked with an asm version, 0 if C */
|
|
|
|
#endif /*DES_H_*/
|