sim.h

破解des算法的程序

/*****************************************************************************
 * sim.h                                                                     *
 *                            Header file for sim.c                          *
 *                                                                           *
 *    Written 1998 by Cryptography Research (http://www.cryptography.com)    *
 *       and Paul Kocher for the Electronic Frontier Foundation (EFF).       *
 *       Placed in the public domain by Cryptography Research and EFF.       *
 *  THIS IS UNSUPPORTED FREE SOFTWARE. USE AND DISTRIBUTE AT YOUR OWN RISK.  *
 *                                                                           *
 *  IMPORTANT: U.S. LAW MAY REGULATE THE USE AND/OR EXPORT OF THIS PROGRAM.  *
 *                                                                           *
 *****************************************************************************
 *                                                                           *
 *   REVISION HISTORY:                                                       *
 *                                                                           *
 *   Version 1.0:  Initial release by Cryptography Research to EFF.          *
 *                                                                           *
 *****************************************************************************/


#define REG_PTXT_VECTOR      (0x00)
#define REG_PTXT_XOR_MASK    (0x20)
#define REG_CIPHERTEXT0      (0x28)
#define REG_CIPHERTEXT1      (0x30)
#define REG_PTXT_BYTE_MASK   (0x38)
#define REG_SEARCHINFO       (0x3F)
#define REG_SEARCH_KEY(x)    (0x40 + 8*(x))
#define REG_SEARCH_STATUS(x) (0x47+8*(x))
#define CLOCKS_PER_DES       16

int RunChip(char *input, FILE *outfile, int useRaw);
long getClockCounter(void);
int peekState(int reg);                    /* runs chip & returns DATA value */