Пример #1
0
static void MakeKey(
	u_char *key,		/* IN  56 bit DES key missing parity bits */
	u_char *des_key		/* OUT 64 bit DES key with parity bits added */
)
{
	des_key[0] = Get7Bits(key,  0);
	des_key[1] = Get7Bits(key,  7);
	des_key[2] = Get7Bits(key, 14);
	des_key[3] = Get7Bits(key, 21);
	des_key[4] = Get7Bits(key, 28);
	des_key[5] = Get7Bits(key, 35);
	des_key[6] = Get7Bits(key, 42);
	des_key[7] = Get7Bits(key, 49);
	
#ifndef USE_CRYPT
	des_set_odd_parity((des_cblock *)des_key);
#endif
	
#if 0
	CHAPDEBUG((LOG_INFO, "MakeKey: 56-bit input : %02X%02X%02X%02X%02X%02X%02X\n",
	       key[0], key[1], key[2], key[3], key[4], key[5], key[6]));
	CHAPDEBUG((LOG_INFO, "MakeKey: 64-bit output: %02X%02X%02X%02X%02X%02X%02X%02X\n",
	       des_key[0], des_key[1], des_key[2], des_key[3], des_key[4], des_key[5], des_key[6], des_key[7]));
#endif
}
Пример #2
0
/* Make the key */
static void
MakeKey(unsigned char *key, unsigned char *des_key)
{
  des_key[0] = Get7Bits(key, 0);
  des_key[1] = Get7Bits(key, 7);
  des_key[2] = Get7Bits(key, 14);
  des_key[3] = Get7Bits(key, 21);
  des_key[4] = Get7Bits(key, 28);
  des_key[5] = Get7Bits(key, 35);
  des_key[6] = Get7Bits(key, 42);
  des_key[7] = Get7Bits(key, 49);

  des_set_odd_parity((des_cblock *) des_key);
}