hashcat/src/cpu_des.c

/**
 * Author......: See docs/credits.txt
 * License.....: MIT
 */

#define IS_GENERIC

#include "common.h"
#include "types.h"
#include "bitops.h"
#include "inc_hash_constants.h"
#include "inc_hash_functions.cl"
#include "cpu_des.h"

#define BOX(v,i,S) (S)[(i)][(v)]

static const u32 c_SPtrans[8][64] =
{
  {
    /* nibble 0 */
    0x02080800, 0x00080000, 0x02000002, 0x02080802,
    0x02000000, 0x00080802, 0x00080002, 0x02000002,
    0x00080802, 0x02080800, 0x02080000, 0x00000802,
    0x02000802, 0x02000000, 0x00000000, 0x00080002,
    0x00080000, 0x00000002, 0x02000800, 0x00080800,
    0x02080802, 0x02080000, 0x00000802, 0x02000800,
    0x00000002, 0x00000800, 0x00080800, 0x02080002,
    0x00000800, 0x02000802, 0x02080002, 0x00000000,
    0x00000000, 0x02080802, 0x02000800, 0x00080002,
    0x02080800, 0x00080000, 0x00000802, 0x02000800,
    0x02080002, 0x00000800, 0x00080800, 0x02000002,
    0x00080802, 0x00000002, 0x02000002, 0x02080000,
    0x02080802, 0x00080800, 0x02080000, 0x02000802,
    0x02000000, 0x00000802, 0x00080002, 0x00000000,
    0x00080000, 0x02000000, 0x02000802, 0x02080800,
    0x00000002, 0x02080002, 0x00000800, 0x00080802,
  },
  {
    /* nibble 1 */
    0x40108010, 0x00000000, 0x00108000, 0x40100000,
    0x40000010, 0x00008010, 0x40008000, 0x00108000,
    0x00008000, 0x40100010, 0x00000010, 0x40008000,
    0x00100010, 0x40108000, 0x40100000, 0x00000010,
    0x00100000, 0x40008010, 0x40100010, 0x00008000,
    0x00108010, 0x40000000, 0x00000000, 0x00100010,
    0x40008010, 0x00108010, 0x40108000, 0x40000010,
    0x40000000, 0x00100000, 0x00008010, 0x40108010,
    0x00100010, 0x40108000, 0x40008000, 0x00108010,
    0x40108010, 0x00100010, 0x40000010, 0x00000000,
    0x40000000, 0x00008010, 0x00100000, 0x40100010,
    0x00008000, 0x40000000, 0x00108010, 0x40008010,
    0x40108000, 0x00008000, 0x00000000, 0x40000010,
    0x00000010, 0x40108010, 0x00108000, 0x40100000,
    0x40100010, 0x00100000, 0x00008010, 0x40008000,
    0x40008010, 0x00000010, 0x40100000, 0x00108000,
  },
  {
    /* nibble 2 */
    0x04000001, 0x04040100, 0x00000100, 0x04000101,
    0x00040001, 0x04000000, 0x04000101, 0x00040100,
    0x04000100, 0x00040000, 0x04040000, 0x00000001,
    0x04040101, 0x00000101, 0x00000001, 0x04040001,
    0x00000000, 0x00040001, 0x04040100, 0x00000100,
    0x00000101, 0x04040101, 0x00040000, 0x04000001,
    0x04040001, 0x04000100, 0x00040101, 0x04040000,
    0x00040100, 0x00000000, 0x04000000, 0x00040101,
    0x04040100, 0x00000100, 0x00000001, 0x00040000,
    0x00000101, 0x00040001, 0x04040000, 0x04000101,
    0x00000000, 0x04040100, 0x00040100, 0x04040001,
    0x00040001, 0x04000000, 0x04040101, 0x00000001,
    0x00040101, 0x04000001, 0x04000000, 0x04040101,
    0x00040000, 0x04000100, 0x04000101, 0x00040100,
    0x04000100, 0x00000000, 0x04040001, 0x00000101,
    0x04000001, 0x00040101, 0x00000100, 0x04040000,
  },
  {
    /* nibble 3 */
    0x00401008, 0x10001000, 0x00000008, 0x10401008,
    0x00000000, 0x10400000, 0x10001008, 0x00400008,
    0x10401000, 0x10000008, 0x10000000, 0x00001008,
    0x10000008, 0x00401008, 0x00400000, 0x10000000,
    0x10400008, 0x00401000, 0x00001000, 0x00000008,
    0x00401000, 0x10001008, 0x10400000, 0x00001000,
    0x00001008, 0x00000000, 0x00400008, 0x10401000,
    0x10001000, 0x10400008, 0x10401008, 0x00400000,
    0x10400008, 0x00001008, 0x00400000, 0x10000008,
    0x00401000, 0x10001000, 0x00000008, 0x10400000,
    0x10001008, 0x00000000, 0x00001000, 0x00400008,
    0x00000000, 0x10400008, 0x10401000, 0x00001000,
    0x10000000, 0x10401008, 0x00401008, 0x00400000,
    0x10401008, 0x00000008, 0x10001000, 0x00401008,
    0x00400008, 0x00401000, 0x10400000, 0x10001008,
    0x00001008, 0x10000000, 0x10000008, 0x10401000,
  },
  {
    /* nibble 4 */
    0x08000000, 0x00010000, 0x00000400, 0x08010420,
    0x08010020, 0x08000400, 0x00010420, 0x08010000,
    0x00010000, 0x00000020, 0x08000020, 0x00010400,
    0x08000420, 0x08010020, 0x08010400, 0x00000000,
    0x00010400, 0x08000000, 0x00010020, 0x00000420,
    0x08000400, 0x00010420, 0x00000000, 0x08000020,
    0x00000020, 0x08000420, 0x08010420, 0x00010020,
    0x08010000, 0x00000400, 0x00000420, 0x08010400,
    0x08010400, 0x08000420, 0x00010020, 0x08010000,
    0x00010000, 0x00000020, 0x08000020, 0x08000400,
    0x08000000, 0x00010400, 0x08010420, 0x00000000,
    0x00010420, 0x08000000, 0x00000400, 0x00010020,
    0x08000420, 0x00000400, 0x00000000, 0x08010420,
    0x08010020, 0x08010400, 0x00000420, 0x00010000,
    0x00010400, 0x08010020, 0x08000400, 0x00000420,
    0x00000020, 0x00010420, 0x08010000, 0x08000020,
  },
  {
    /* nibble 5 */
    0x80000040, 0x00200040, 0x00000000, 0x80202000,
    0x00200040, 0x00002000, 0x80002040, 0x00200000,
    0x00002040, 0x80202040, 0x00202000, 0x80000000,
    0x80002000, 0x80000040, 0x80200000, 0x00202040,
    0x00200000, 0x80002040, 0x80200040, 0x00000000,
    0x00002000, 0x00000040, 0x80202000, 0x80200040,
    0x80202040, 0x80200000, 0x80000000, 0x00002040,
    0x00000040, 0x00202000, 0x00202040, 0x80002000,
    0x00002040, 0x80000000, 0x80002000, 0x00202040,
    0x80202000, 0x00200040, 0x00000000, 0x80002000,
    0x80000000, 0x00002000, 0x80200040, 0x00200000,
    0x00200040, 0x80202040, 0x00202000, 0x00000040,
    0x80202040, 0x00202000, 0x00200000, 0x80002040,
    0x80000040, 0x80200000, 0x00202040, 0x00000000,
    0x00002000, 0x80000040, 0x80002040, 0x80202000,
    0x80200000, 0x00002040, 0x00000040, 0x80200040,
  },
  {
    /* nibble 6 */
    0x00004000, 0x00000200, 0x01000200, 0x01000004,
    0x01004204, 0x00004004, 0x00004200, 0x00000000,
    0x01000000, 0x01000204, 0x00000204, 0x01004000,
    0x00000004, 0x01004200, 0x01004000, 0x00000204,
    0x01000204, 0x00004000, 0x00004004, 0x01004204,
    0x00000000, 0x01000200, 0x01000004, 0x00004200,
    0x01004004, 0x00004204, 0x01004200, 0x00000004,
    0x00004204, 0x01004004, 0x00000200, 0x01000000,
    0x00004204, 0x01004000, 0x01004004, 0x00000204,
    0x00004000, 0x00000200, 0x01000000, 0x01004004,
    0x01000204, 0x00004204, 0x00004200, 0x00000000,
    0x00000200, 0x01000004, 0x00000004, 0x01000200,
    0x00000000, 0x01000204, 0x01000200, 0x00004200,
    0x00000204, 0x00004000, 0x01004204, 0x01000000,
    0x01004200, 0x00000004, 0x00004004, 0x01004204,
    0x01000004, 0x01004200, 0x01004000, 0x00004004,
  },
  {
    /* nibble 7 */
    0x20800080, 0x20820000, 0x00020080, 0x00000000,
    0x20020000, 0x00800080, 0x20800000, 0x20820080,
    0x00000080, 0x20000000, 0x00820000, 0x00020080,
    0x00820080, 0x20020080, 0x20000080, 0x20800000,
    0x00020000, 0x00820080, 0x00800080, 0x20020000,
    0x20820080, 0x20000080, 0x00000000, 0x00820000,
    0x20000000, 0x00800000, 0x20020080, 0x20800080,
    0x00800000, 0x00020000, 0x20820000, 0x00000080,
    0x00800000, 0x00020000, 0x20000080, 0x20820080,
    0x00020080, 0x20000000, 0x00000000, 0x00820000,
    0x20800080, 0x20020080, 0x20020000, 0x00800080,
    0x20820000, 0x00000080, 0x00800080, 0x20020000,
    0x20820080, 0x00800000, 0x20800000, 0x20000080,
    0x00820000, 0x00020080, 0x20020080, 0x20800000,
    0x00000080, 0x20820000, 0x00820080, 0x00000000,
    0x20000000, 0x20800080, 0x00020000, 0x00820080,
  },
};

static const u32 c_skb[8][64] =
{
  {
    /* for C bits (numbered as per FIPS 46) 1 2 3 4 5 6 */
    0x00000000, 0x00000010, 0x20000000, 0x20000010,
    0x00010000, 0x00010010, 0x20010000, 0x20010010,
    0x00000800, 0x00000810, 0x20000800, 0x20000810,
    0x00010800, 0x00010810, 0x20010800, 0x20010810,
    0x00000020, 0x00000030, 0x20000020, 0x20000030,
    0x00010020, 0x00010030, 0x20010020, 0x20010030,
    0x00000820, 0x00000830, 0x20000820, 0x20000830,
    0x00010820, 0x00010830, 0x20010820, 0x20010830,
    0x00080000, 0x00080010, 0x20080000, 0x20080010,
    0x00090000, 0x00090010, 0x20090000, 0x20090010,
    0x00080800, 0x00080810, 0x20080800, 0x20080810,
    0x00090800, 0x00090810, 0x20090800, 0x20090810,
    0x00080020, 0x00080030, 0x20080020, 0x20080030,
    0x00090020, 0x00090030, 0x20090020, 0x20090030,
    0x00080820, 0x00080830, 0x20080820, 0x20080830,
    0x00090820, 0x00090830, 0x20090820, 0x20090830,
  },
  {
    /* for C bits (numbered as per FIPS 46) 7 8 10 11 12 13 */
    0x00000000, 0x02000000, 0x00002000, 0x02002000,
    0x00200000, 0x02200000, 0x00202000, 0x02202000,
    0x00000004, 0x02000004, 0x00002004, 0x02002004,
    0x00200004, 0x02200004, 0x00202004, 0x02202004,
    0x00000400, 0x02000400, 0x00002400, 0x02002400,
    0x00200400, 0x02200400, 0x00202400, 0x02202400,
    0x00000404, 0x02000404, 0x00002404, 0x02002404,
    0x00200404, 0x02200404, 0x00202404, 0x02202404,
    0x10000000, 0x12000000, 0x10002000, 0x12002000,
    0x10200000, 0x12200000, 0x10202000, 0x12202000,
    0x10000004, 0x12000004, 0x10002004, 0x12002004,
    0x10200004, 0x12200004, 0x10202004, 0x12202004,
    0x10000400, 0x12000400, 0x10002400, 0x12002400,
    0x10200400, 0x12200400, 0x10202400, 0x12202400,
    0x10000404, 0x12000404, 0x10002404, 0x12002404,
    0x10200404, 0x12200404, 0x10202404, 0x12202404,
  },
  {
    /* for C bits (numbered as per FIPS 46) 14 15 16 17 19 20 */
    0x00000000, 0x00000001, 0x00040000, 0x00040001,
    0x01000000, 0x01000001, 0x01040000, 0x01040001,
    0x00000002, 0x00000003, 0x00040002, 0x00040003,
    0x01000002, 0x01000003, 0x01040002, 0x01040003,
    0x00000200, 0x00000201, 0x00040200, 0x00040201,
    0x01000200, 0x01000201, 0x01040200, 0x01040201,
    0x00000202, 0x00000203, 0x00040202, 0x00040203,
    0x01000202, 0x01000203, 0x01040202, 0x01040203,
    0x08000000, 0x08000001, 0x08040000, 0x08040001,
    0x09000000, 0x09000001, 0x09040000, 0x09040001,
    0x08000002, 0x08000003, 0x08040002, 0x08040003,
    0x09000002, 0x09000003, 0x09040002, 0x09040003,
    0x08000200, 0x08000201, 0x08040200, 0x08040201,
    0x09000200, 0x09000201, 0x09040200, 0x09040201,
    0x08000202, 0x08000203, 0x08040202, 0x08040203,
    0x09000202, 0x09000203, 0x09040202, 0x09040203,
  },
  {
    /* for C bits (numbered as per FIPS 46) 21 23 24 26 27 28 */
    0x00000000, 0x00100000, 0x00000100, 0x00100100,
    0x00000008, 0x00100008, 0x00000108, 0x00100108,
    0x00001000, 0x00101000, 0x00001100, 0x00101100,
    0x00001008, 0x00101008, 0x00001108, 0x00101108,
    0x04000000, 0x04100000, 0x04000100, 0x04100100,
    0x04000008, 0x04100008, 0x04000108, 0x04100108,
    0x04001000, 0x04101000, 0x04001100, 0x04101100,
    0x04001008, 0x04101008, 0x04001108, 0x04101108,
    0x00020000, 0x00120000, 0x00020100, 0x00120100,
    0x00020008, 0x00120008, 0x00020108, 0x00120108,
    0x00021000, 0x00121000, 0x00021100, 0x00121100,
    0x00021008, 0x00121008, 0x00021108, 0x00121108,
    0x04020000, 0x04120000, 0x04020100, 0x04120100,
    0x04020008, 0x04120008, 0x04020108, 0x04120108,
    0x04021000, 0x04121000, 0x04021100, 0x04121100,
    0x04021008, 0x04121008, 0x04021108, 0x04121108,
  },
  {
    /* for D bits (numbered as per FIPS 46) 1 2 3 4 5 6 */
    0x00000000, 0x10000000, 0x00010000, 0x10010000,
    0x00000004, 0x10000004, 0x00010004, 0x10010004,
    0x20000000, 0x30000000, 0x20010000, 0x30010000,
    0x20000004, 0x30000004, 0x20010004, 0x30010004,
    0x00100000, 0x10100000, 0x00110000, 0x10110000,
    0x00100004, 0x10100004, 0x00110004, 0x10110004,
    0x20100000, 0x30100000, 0x20110000, 0x30110000,
    0x20100004, 0x30100004, 0x20110004, 0x30110004,
    0x00001000, 0x10001000, 0x00011000, 0x10011000,
    0x00001004, 0x10001004, 0x00011004, 0x10011004,
    0x20001000, 0x30001000, 0x20011000, 0x30011000,
    0x20001004, 0x30001004, 0x20011004, 0x30011004,
    0x00101000, 0x10101000, 0x00111000, 0x10111000,
    0x00101004, 0x10101004, 0x00111004, 0x10111004,
    0x20101000, 0x30101000, 0x20111000, 0x30111000,
    0x20101004, 0x30101004, 0x20111004, 0x30111004,
  },
  {
    /* for D bits (numbered as per FIPS 46) 8 9 11 12 13 14 */
    0x00000000, 0x08000000, 0x00000008, 0x08000008,
    0x00000400, 0x08000400, 0x00000408, 0x08000408,
    0x00020000, 0x08020000, 0x00020008, 0x08020008,
    0x00020400, 0x08020400, 0x00020408, 0x08020408,
    0x00000001, 0x08000001, 0x00000009, 0x08000009,
    0x00000401, 0x08000401, 0x00000409, 0x08000409,
    0x00020001, 0x08020001, 0x00020009, 0x08020009,
    0x00020401, 0x08020401, 0x00020409, 0x08020409,
    0x02000000, 0x0A000000, 0x02000008, 0x0A000008,
    0x02000400, 0x0A000400, 0x02000408, 0x0A000408,
    0x02020000, 0x0A020000, 0x02020008, 0x0A020008,
    0x02020400, 0x0A020400, 0x02020408, 0x0A020408,
    0x02000001, 0x0A000001, 0x02000009, 0x0A000009,
    0x02000401, 0x0A000401, 0x02000409, 0x0A000409,
    0x02020001, 0x0A020001, 0x02020009, 0x0A020009,
    0x02020401, 0x0A020401, 0x02020409, 0x0A020409,
  },
  {
    /* for D bits (numbered as per FIPS 46) 16 17 18 19 20 21 */
    0x00000000, 0x00000100, 0x00080000, 0x00080100,
    0x01000000, 0x01000100, 0x01080000, 0x01080100,
    0x00000010, 0x00000110, 0x00080010, 0x00080110,
    0x01000010, 0x01000110, 0x01080010, 0x01080110,
    0x00200000, 0x00200100, 0x00280000, 0x00280100,
    0x01200000, 0x01200100, 0x01280000, 0x01280100,
    0x00200010, 0x00200110, 0x00280010, 0x00280110,
    0x01200010, 0x01200110, 0x01280010, 0x01280110,
    0x00000200, 0x00000300, 0x00080200, 0x00080300,
    0x01000200, 0x01000300, 0x01080200, 0x01080300,
    0x00000210, 0x00000310, 0x00080210, 0x00080310,
    0x01000210, 0x01000310, 0x01080210, 0x01080310,
    0x00200200, 0x00200300, 0x00280200, 0x00280300,
    0x01200200, 0x01200300, 0x01280200, 0x01280300,
    0x00200210, 0x00200310, 0x00280210, 0x00280310,
    0x01200210, 0x01200310, 0x01280210, 0x01280310,
  },
  {
    /* for D bits (numbered as per FIPS 46) 22 23 24 25 27 28 */
    0x00000000, 0x04000000, 0x00040000, 0x04040000,
    0x00000002, 0x04000002, 0x00040002, 0x04040002,
    0x00002000, 0x04002000, 0x00042000, 0x04042000,
    0x00002002, 0x04002002, 0x00042002, 0x04042002,
    0x00000020, 0x04000020, 0x00040020, 0x04040020,
    0x00000022, 0x04000022, 0x00040022, 0x04040022,
    0x00002020, 0x04002020, 0x00042020, 0x04042020,
    0x00002022, 0x04002022, 0x00042022, 0x04042022,
    0x00000800, 0x04000800, 0x00040800, 0x04040800,
    0x00000802, 0x04000802, 0x00040802, 0x04040802,
    0x00002800, 0x04002800, 0x00042800, 0x04042800,
    0x00002802, 0x04002802, 0x00042802, 0x04042802,
    0x00000820, 0x04000820, 0x00040820, 0x04040820,
    0x00000822, 0x04000822, 0x00040822, 0x04040822,
    0x00002820, 0x04002820, 0x00042820, 0x04042820,
    0x00002822, 0x04002822, 0x00042822, 0x04042822
  }
};

void _des_keysetup (const u32 data[2], u32 Kc[16], u32 Kd[16])
{
  u32 c = data[0];
  u32 d = data[1];

  u32 tt;

  PERM_OP  (d, c, tt, 4, 0x0f0f0f0f);
  HPERM_OP (c,    tt, 2, 0xcccc0000);
  HPERM_OP (d,    tt, 2, 0xcccc0000);
  PERM_OP  (d, c, tt, 1, 0x55555555);
  PERM_OP  (c, d, tt, 8, 0x00ff00ff);
  PERM_OP  (d, c, tt, 1, 0x55555555);

  d = ((d & 0x000000ff) << 16)
    | ((d & 0x0000ff00) <<  0)
    | ((d & 0x00ff0000) >> 16)
    | ((c & 0xf0000000) >>  4);

  c = c & 0x0fffffff;

  int i;

  for (i = 0; i < 16; i++)
  {
    const u32 shifts3s0[16] = {  1,  1,  2,  2,  2,  2,  2,  2,  1,  2,  2,  2,  2,  2,  2,  1 };
    const u32 shifts3s1[16] = { 27, 27, 26, 26, 26, 26, 26, 26, 27, 26, 26, 26, 26, 26, 26, 27 };

    c = c >> shifts3s0[i] | c << shifts3s1[i];
    d = d >> shifts3s0[i] | d << shifts3s1[i];

    c = c & 0x0fffffff;
    d = d & 0x0fffffff;

    u32 s = BOX ((( c >>  0) & 0x3f),  0, c_skb)
          | BOX ((((c >>  6) & 0x03)
                | ((c >>  7) & 0x3c)), 1, c_skb)
          | BOX ((((c >> 13) & 0x0f)
                | ((c >> 14) & 0x30)), 2, c_skb)
          | BOX ((((c >> 20) & 0x01)
                | ((c >> 21) & 0x06)
                | ((c >> 22) & 0x38)), 3, c_skb);

    u32 t = BOX ((( d >>  0) & 0x3f),  4, c_skb)
          | BOX ((((d >>  7) & 0x03)
                | ((d >>  8) & 0x3c)), 5, c_skb)
          | BOX ((((d >> 15) & 0x3f)), 6, c_skb)
          | BOX ((((d >> 21) & 0x0f)
                | ((d >> 22) & 0x30)), 7, c_skb);

    Kc[i] = ((t << 16) | (s & 0x0000ffff));
    Kd[i] = ((s >> 16) | (t & 0xffff0000));

    Kc[i] = rotl32 (Kc[i], 2u);
    Kd[i] = rotl32 (Kd[i], 2u);
  }
}

void _des_encrypt (u32 data[2], const u32 Kc[16], const u32 Kd[16])
{
  u32 r = data[0];
  u32 l = data[1];

  u32 tt;

  IP (r, l, tt);

  r = rotl32 (r, 3u);
  l = rotl32 (l, 3u);

  int i;

  for (i = 0; i < 16; i++)
  {
    u32 u = Kc[i] ^ r;
    u32 t = Kd[i] ^ rotl32 (r, 28u);

    l ^= BOX (((u >>  2) & 0x3f), 0, c_SPtrans)
       | BOX (((u >> 10) & 0x3f), 2, c_SPtrans)
       | BOX (((u >> 18) & 0x3f), 4, c_SPtrans)
       | BOX (((u >> 26) & 0x3f), 6, c_SPtrans)
       | BOX (((t >>  2) & 0x3f), 1, c_SPtrans)
       | BOX (((t >> 10) & 0x3f), 3, c_SPtrans)
       | BOX (((t >> 18) & 0x3f), 5, c_SPtrans)
       | BOX (((t >> 26) & 0x3f), 7, c_SPtrans);

    tt = l;
    l  = r;
    r  = tt;
  }

  l = rotl32 (l, 29u);
  r = rotl32 (r, 29u);

  FP (r, l, tt);

  data[0] = l;
  data[1] = r;
}