hashcat/OpenCL/m27000-pure.cl

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

//#define NEW_SIMD_CODE

#ifdef KERNEL_STATIC
#include M2S(INCLUDE_PATH/inc_vendor.h)
#include M2S(INCLUDE_PATH/inc_types.h)
#include M2S(INCLUDE_PATH/inc_platform.cl)
#include M2S(INCLUDE_PATH/inc_common.cl)
#include M2S(INCLUDE_PATH/inc_rp.h)
#include M2S(INCLUDE_PATH/inc_rp.cl)
#include M2S(INCLUDE_PATH/inc_scalar.cl)
#include M2S(INCLUDE_PATH/inc_hash_md4.cl)
#endif

#define COMPARE_S M2S(INCLUDE_PATH/inc_comp_single.cl)
#define COMPARE_M M2S(INCLUDE_PATH/inc_comp_multi.cl)

#define PERM_OP(a,b,tt,n,m) \
{                           \
  tt = a >> n;              \
  tt = tt ^ b;              \
  tt = tt & m;              \
  b = b ^ tt;               \
  tt = tt << n;             \
  a = a ^ tt;               \
}

#define HPERM_OP(a,tt,n,m)  \
{                           \
  tt = a << (16 + n);       \
  tt = tt ^ a;              \
  tt = tt & m;              \
  a  = a ^ tt;              \
  tt = tt >> (16 + n);      \
  a  = a ^ tt;              \
}

CONSTANT_VK u32a c_SPtrans[8][64] =
{
  {
    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,
  },
  {
    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,
  },
  {
    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,
  },
  {
    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,
  },
  {
    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,
  },
  {
    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,
  },
  {
    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,
  },
  {
    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,
  }
};

CONSTANT_VK u32a c_skb[8][64] =
{
  {
    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,
  },
  {
    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,
  },
  {
    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,
  },
  {
    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,
  },
  {
    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,
  },
  {
    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,
  },
  {
    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,
  },
  {
    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
  }
};

#if   VECT_SIZE == 1
#define BOX(i,n,S) (S)[(n)][(i)]
#elif VECT_SIZE == 2
#define BOX(i,n,S) make_u32x ((S)[(n)][(i).s0], (S)[(n)][(i).s1])
#elif VECT_SIZE == 4
#define BOX(i,n,S) make_u32x ((S)[(n)][(i).s0], (S)[(n)][(i).s1], (S)[(n)][(i).s2], (S)[(n)][(i).s3])
#elif VECT_SIZE == 8
#define BOX(i,n,S) make_u32x ((S)[(n)][(i).s0], (S)[(n)][(i).s1], (S)[(n)][(i).s2], (S)[(n)][(i).s3], (S)[(n)][(i).s4], (S)[(n)][(i).s5], (S)[(n)][(i).s6], (S)[(n)][(i).s7])
#elif VECT_SIZE == 16
#define BOX(i,n,S) make_u32x ((S)[(n)][(i).s0], (S)[(n)][(i).s1], (S)[(n)][(i).s2], (S)[(n)][(i).s3], (S)[(n)][(i).s4], (S)[(n)][(i).s5], (S)[(n)][(i).s6], (S)[(n)][(i).s7], (S)[(n)][(i).s8], (S)[(n)][(i).s9], (S)[(n)][(i).sa], (S)[(n)][(i).sb], (S)[(n)][(i).sc], (S)[(n)][(i).sd], (S)[(n)][(i).se], (S)[(n)][(i).sf])
#endif

DECLSPEC void _des_crypt_encrypt (PRIVATE_AS u32 *iv, PRIVATE_AS u32 *data, PRIVATE_AS u32 *Kc, PRIVATE_AS u32 *Kd, SHM_TYPE u32 (*s_SPtrans)[64])
{
  u32 r = data[0];
  u32 l = data[1];

  #ifdef _unroll
  #pragma unroll
  #endif
  for (u32 i = 0; i < 16; i += 2)
  {
    u32 u;
    u32 t;

    u = Kc[i + 0] ^ hc_rotl32 (r, 30u);
    t = Kd[i + 0] ^ hc_rotl32 (r, 26u);

    l ^= BOX (((u >>  0) & 0x3f), 0, s_SPtrans)
       | BOX (((u >>  8) & 0x3f), 2, s_SPtrans)
       | BOX (((u >> 16) & 0x3f), 4, s_SPtrans)
       | BOX (((u >> 24) & 0x3f), 6, s_SPtrans)
       | BOX (((t >>  0) & 0x3f), 1, s_SPtrans)
       | BOX (((t >>  8) & 0x3f), 3, s_SPtrans)
       | BOX (((t >> 16) & 0x3f), 5, s_SPtrans)
       | BOX (((t >> 24) & 0x3f), 7, s_SPtrans);

    u = Kc[i + 1] ^ hc_rotl32 (l, 30u);
    t = Kd[i + 1] ^ hc_rotl32 (l, 26u);

    r ^= BOX (((u >>  0) & 0x3f), 0, s_SPtrans)
       | BOX (((u >>  8) & 0x3f), 2, s_SPtrans)
       | BOX (((u >> 16) & 0x3f), 4, s_SPtrans)
       | BOX (((u >> 24) & 0x3f), 6, s_SPtrans)
       | BOX (((t >>  0) & 0x3f), 1, s_SPtrans)
       | BOX (((t >>  8) & 0x3f), 3, s_SPtrans)
       | BOX (((t >> 16) & 0x3f), 5, s_SPtrans)
       | BOX (((t >> 24) & 0x3f), 7, s_SPtrans);
  }

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

DECLSPEC void _des_crypt_keysetup (u32 c, u32 d, PRIVATE_AS u32 *Kc, PRIVATE_AS u32 *Kd, SHM_TYPE u32 (*s_skb)[64])
{
  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;

  #ifdef _unroll
  #pragma unroll
  #endif
  for (u32 i = 0; i < 16; i++)
  {
    if ((i < 2) || (i == 8) || (i == 15))
    {
      c = ((c >> 1) | (c << 27));
      d = ((d >> 1) | (d << 27));
    }
    else
    {
      c = ((c >> 2) | (c << 26));
      d = ((d >> 2) | (d << 26));
    }

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

    const u32 c00 = (c >>  0) & 0x0000003f;
    const u32 c06 = (c >>  6) & 0x00383003;
    const u32 c07 = (c >>  7) & 0x0000003c;
    const u32 c13 = (c >> 13) & 0x0000060f;
    const u32 c20 = (c >> 20) & 0x00000001;

    u32 s = BOX (((c00 >>  0) & 0xff), 0, s_skb)
           | BOX (((c06 >>  0) & 0xff)
                 |((c07 >>  0) & 0xff), 1, s_skb)
           | BOX (((c13 >>  0) & 0xff)
                 |((c06 >>  8) & 0xff), 2, s_skb)
           | BOX (((c20 >>  0) & 0xff)
                 |((c13 >>  8) & 0xff)
                 |((c06 >> 16) & 0xff), 3, s_skb);

    const u32 d00 = (d >>  0) & 0x00003c3f;
    const u32 d07 = (d >>  7) & 0x00003f03;
    const u32 d21 = (d >> 21) & 0x0000000f;
    const u32 d22 = (d >> 22) & 0x00000030;

    u32 t = BOX (((d00 >>  0) & 0xff), 4, s_skb)
           | BOX (((d07 >>  0) & 0xff)
                 |((d00 >>  8) & 0xff), 5, s_skb)
           | BOX (((d07 >>  8) & 0xff), 6, s_skb)
           | BOX (((d21 >>  0) & 0xff)
                 |((d22 >>  0) & 0xff), 7, s_skb);

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

DECLSPEC void transform_netntlmv1_key (const u32 w0, const u32 w1, PRIVATE_AS u32 *out)
{
  u32 t[8];

  t[0] = (w0 >>  0) & 0xff;
  t[1] = (w0 >>  8) & 0xff;
  t[2] = (w0 >> 16) & 0xff;
  t[3] = (w0 >> 24) & 0xff;
  t[4] = (w1 >>  0) & 0xff;
  t[5] = (w1 >>  8) & 0xff;
  t[6] = (w1 >> 16) & 0xff;
  t[7] = (w1 >> 24) & 0xff;

  u32 k[8];

  k[0] =               (t[0] >> 0);
  k[1] = (t[0] << 7) | (t[1] >> 1);
  k[2] = (t[1] << 6) | (t[2] >> 2);
  k[3] = (t[2] << 5) | (t[3] >> 3);
  k[4] = (t[3] << 4) | (t[4] >> 4);
  k[5] = (t[4] << 3) | (t[5] >> 5);
  k[6] = (t[5] << 2) | (t[6] >> 6);
  k[7] = (t[6] << 1);

  out[0] = ((k[0] & 0xff) <<  0)
         | ((k[1] & 0xff) <<  8)
         | ((k[2] & 0xff) << 16)
         | ((k[3] & 0xff) << 24);

  out[1] = ((k[4] & 0xff) <<  0)
         | ((k[5] & 0xff) <<  8)
         | ((k[6] & 0xff) << 16)
         | ((k[7] & 0xff) << 24);
}

#ifdef KERNEL_STATIC
DECLSPEC u8 hex_convert (const u8 c)
{
  return (c & 15) + (c >> 6) * 9;
}

DECLSPEC u8 hex_to_u8 (PRIVATE_AS const u8 *hex)
{
  u8 v = 0;

  v |= ((u8) hex_convert (hex[1]) << 0);
  v |= ((u8) hex_convert (hex[0]) << 4);

  return (v);
}
#endif

typedef struct netntlm
{
  u32 user_len;
  u32 domain_len;
  u32 srvchall_len;
  u32 clichall_len;

  u32 userdomain_buf[64];
  u32 chall_buf[256];

} netntlm_t;

typedef struct netntlm_tmp
{
  u32 digest_buf[4];

} netntlm_tmp_t;

KERNEL_FQ void m27000_init (KERN_ATTR_TMPS_ESALT (netntlm_tmp_t, netntlm_t))
{
  /**
   * modifier
   */

  const u64 gid = get_global_id (0);
  const u64 lid = get_local_id (0);
  const u64 lsz = get_local_size (0);

  if (gid >= GID_CNT) return;

  /**
   * salt
   */

  u32 in[16];

  in[ 0] = pws[gid].i[ 0];
  in[ 1] = pws[gid].i[ 1];
  in[ 2] = pws[gid].i[ 2];
  in[ 3] = pws[gid].i[ 3];
  in[ 4] = pws[gid].i[ 4];
  in[ 5] = pws[gid].i[ 5];
  in[ 6] = pws[gid].i[ 6];
  in[ 7] = pws[gid].i[ 7];

  u32 out[4];

  PRIVATE_AS u8 *in_ptr  = (PRIVATE_AS u8 *) in;
  PRIVATE_AS u8 *out_ptr = (PRIVATE_AS u8 *) out;

  for (int i = 0, j = 0; i < 16; i += 1, j += 2)
  {
    out_ptr[i] = hex_to_u8 (in_ptr + j);
  }

  tmps[gid].digest_buf[0] = out[ 0];
  tmps[gid].digest_buf[1] = out[ 1];
  tmps[gid].digest_buf[2] = out[ 2];
  tmps[gid].digest_buf[3] = out[ 3];

}

KERNEL_FQ void m27000_loop (KERN_ATTR_TMPS_ESALT (netntlm_tmp_t, netntlm_t))
{

}

KERNEL_FQ void m27000_comp (KERN_ATTR_TMPS_ESALT (netntlm_tmp_t, netntlm_t))
{
   /**
   * modifier
   */

  const u64 gid = get_global_id (0);
  const u64 lid = get_local_id (0);
  const u64 lsz = get_local_size (0);

  /**
   * sbox, kbox
   */

  #ifdef REAL_SHM

  LOCAL_VK u32 s_SPtrans[8][64];
  LOCAL_VK u32 s_skb[8][64];

  for (u32 i = lid; i < 64; i += lsz)
  {
    s_SPtrans[0][i] = c_SPtrans[0][i];
    s_SPtrans[1][i] = c_SPtrans[1][i];
    s_SPtrans[2][i] = c_SPtrans[2][i];
    s_SPtrans[3][i] = c_SPtrans[3][i];
    s_SPtrans[4][i] = c_SPtrans[4][i];
    s_SPtrans[5][i] = c_SPtrans[5][i];
    s_SPtrans[6][i] = c_SPtrans[6][i];
    s_SPtrans[7][i] = c_SPtrans[7][i];

    s_skb[0][i] = c_skb[0][i];
    s_skb[1][i] = c_skb[1][i];
    s_skb[2][i] = c_skb[2][i];
    s_skb[3][i] = c_skb[3][i];
    s_skb[4][i] = c_skb[4][i];
    s_skb[5][i] = c_skb[5][i];
    s_skb[6][i] = c_skb[6][i];
    s_skb[7][i] = c_skb[7][i];
  }

  SYNC_THREADS ();

  #else

  CONSTANT_AS u32a (*s_SPtrans)[64] = c_SPtrans;
  CONSTANT_AS u32a (*s_skb)[64]     = c_skb;

  #endif

  if (gid >= GID_CNT) return;

  /**
   * base
   */

  const u32 s0 = salt_bufs[SALT_POS_HOST].salt_buf[0];
  const u32 s1 = salt_bufs[SALT_POS_HOST].salt_buf[1];
  const u32 s2 = salt_bufs[SALT_POS_HOST].salt_buf[2];

  const u32 a = tmps[gid].digest_buf[0];
  const u32 b = tmps[gid].digest_buf[1];
  const u32 c = tmps[gid].digest_buf[2];
  const u32 d = tmps[gid].digest_buf[3];

  // I believe this matches the last 2 bytes and throws away.
  // Taken from 5500.
  if ((d >> 16) != s2) return;

  /**
    * DES1
    */

  u32 key[2];

  transform_netntlmv1_key (a, b, key);

  u32 Kc[16];
  u32 Kd[16];

  _des_crypt_keysetup (key[0], key[1], Kc, Kd, s_skb);

  u32 data[2];

  data[0] = s0;
  data[1] = s1;

  u32 out1[2];

  _des_crypt_encrypt (out1, data, Kc, Kd, s_SPtrans);

  /**
    * DES2
    */

  transform_netntlmv1_key (((b >> 24) | (c << 8)), ((c >> 24) | (d << 8)), key);

  _des_crypt_keysetup (key[0], key[1], Kc, Kd, s_skb);

  u32 out2[2];

  _des_crypt_encrypt (out2, data, Kc, Kd, s_SPtrans);

  /**
   * digest
   */

  const u32 r0 = out1[0];
  const u32 r1 = out1[1];
  const u32 r2 = out2[0];
  const u32 r3 = out2[1];

  #define il_pos 0

  #ifdef KERNEL_STATIC
  #include COMPARE_M
  #endif
}