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

#define NEW_SIMD_CODE

#include "inc_vendor.cl"
#include "inc_hash_constants.h"
#include "inc_hash_functions.cl"
#include "inc_types.cl"
#include "inc_common.cl"
#include "inc_simd.cl"
#include "inc_hash_md4.cl"
#include "inc_hash_sha1.cl"

#define COMPARE_S "inc_comp_single.cl"
#define COMPARE_M "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;              \
}

#define IP(l,r,tt)                     \
{                                      \
  PERM_OP (r, l, tt,  4, 0x0f0f0f0f);  \
  PERM_OP (l, r, tt, 16, 0x0000ffff);  \
  PERM_OP (r, l, tt,  2, 0x33333333);  \
  PERM_OP (l, r, tt,  8, 0x00ff00ff);  \
  PERM_OP (r, l, tt,  1, 0x55555555);  \
}

#define FP(l,r,tt)                     \
{                                      \
  PERM_OP (l, r, tt,  1, 0x55555555);  \
  PERM_OP (r, l, tt,  8, 0x00ff00ff);  \
  PERM_OP (l, r, tt,  2, 0x33333333);  \
  PERM_OP (r, l, tt, 16, 0x0000ffff);  \
  PERM_OP (l, r, tt,  4, 0x0f0f0f0f);  \
}

__constant u32a 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,
  },
};

__constant 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
  }
};

#define BOX(i,n,S) (S)[(n)][(i)]
#define BOX1(i,S) (S)[(i)]

DECLSPEC void _des_crypt_encrypt (u32 *iv, u32 *data, u32 *Kc, u32 *Kd, __local u32 (*s_SPtrans)[64])
{
  u32 tt;

  u32 r = data[0];
  u32 l = data[1];

  IP (r, l, tt);

  r = rotl32_S (r, 3u);
  l = rotl32_S (l, 3u);

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

    u = Kc[i + 0] ^ r;
    t = Kd[i + 0] ^ rotl32_S (r, 28u);

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

    u = Kc[i + 1] ^ l;
    t = Kd[i + 1] ^ rotl32_S (l, 28u);

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

  l = rotl32_S (l, 29u);
  r = rotl32_S (r, 29u);

  FP (r, l, tt);

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

DECLSPEC void _des_crypt_decrypt (u32 *iv, u32 *data, u32 *Kc, u32 *Kd, __local u32 (*s_SPtrans)[64])
{
  u32 tt;

  u32 r = data[0];
  u32 l = data[1];

  IP (r, l, tt);

  r = rotl32_S (r, 3u);
  l = rotl32_S (l, 3u);

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

    u = Kc[i - 1] ^ r;
    t = Kd[i - 1] ^ rotl32_S (r, 28u);

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

    u = Kc[i - 2] ^ l;
    t = Kd[i - 2] ^ rotl32_S (l, 28u);

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

  l = rotl32_S (l, 29u);
  r = rotl32_S (r, 29u);

  FP (r, l, tt);

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

DECLSPEC void _des_crypt_keysetup (u32 c, u32 d, u32 *Kc, u32 *Kd, __local 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));

    Kc[i] = rotl32_S (Kc[i], 2u);
    Kd[i] = rotl32_S (Kd[i], 2u);
  }
}

DECLSPEC void hmac_sha1_run_V (u32x *w0, u32x *w1, u32x *w2, u32x *w3, u32x *ipad, u32x *opad, u32x *digest)
{
  digest[0] = ipad[0];
  digest[1] = ipad[1];
  digest[2] = ipad[2];
  digest[3] = ipad[3];
  digest[4] = ipad[4];

  sha1_transform_vector (w0, w1, w2, w3, digest);

  w0[0] = digest[0];
  w0[1] = digest[1];
  w0[2] = digest[2];
  w0[3] = digest[3];
  w1[0] = digest[4];
  w1[1] = 0x80000000;
  w1[2] = 0;
  w1[3] = 0;
  w2[0] = 0;
  w2[1] = 0;
  w2[2] = 0;
  w2[3] = 0;
  w3[0] = 0;
  w3[1] = 0;
  w3[2] = 0;
  w3[3] = (64 + 20) * 8;

  digest[0] = opad[0];
  digest[1] = opad[1];
  digest[2] = opad[2];
  digest[3] = opad[3];
  digest[4] = opad[4];

  sha1_transform_vector (w0, w1, w2, w3, digest);
}

__kernel void m15300_init (KERN_ATTR_TMPS_ESALT (dpapimk_tmp_v1_t, dpapimk_t))
{
  /**
   * base
   */

  const u64 gid = get_global_id (0);

  if (gid >= gid_max) return;

  /**
   * main
   */

  u32 digest_context[5];

  if (esalt_bufs[digests_offset].context == 1)
  {
    /* local credentials */

    sha1_ctx_t ctx;

    sha1_init (&ctx);

    sha1_update_global_utf16le_swap (&ctx, pws[gid].i, pws[gid].pw_len & 255);

    sha1_final (&ctx);

    digest_context[0] = ctx.h[0];
    digest_context[1] = ctx.h[1];
    digest_context[2] = ctx.h[2];
    digest_context[3] = ctx.h[3];
    digest_context[4] = ctx.h[4];
  }
  else if (esalt_bufs[digests_offset].context == 2)
  {
    /* domain credentials */

    md4_ctx_t ctx;

    md4_init (&ctx);

    md4_update_global_utf16le (&ctx, pws[gid].i, pws[gid].pw_len & 255);

    md4_final (&ctx);

    digest_context[0] = ctx.h[0];
    digest_context[1] = ctx.h[1];
    digest_context[2] = ctx.h[2];
    digest_context[3] = ctx.h[3];
    digest_context[4] = 0;

    digest_context[0] = swap32_S (digest_context[0]);
    digest_context[1] = swap32_S (digest_context[1]);
    digest_context[2] = swap32_S (digest_context[2]);
    digest_context[3] = swap32_S (digest_context[3]);
  }

  /* initialize hmac-sha1 */

  u32 w0[4];
  u32 w1[4];
  u32 w2[4];
  u32 w3[4];

  w0[0] = digest_context[0];
  w0[1] = digest_context[1];
  w0[2] = digest_context[2];
  w0[3] = digest_context[3];
  w1[0] = digest_context[4];
  w1[1] = 0;
  w1[2] = 0;
  w1[3] = 0;
  w2[0] = 0;
  w2[1] = 0;
  w2[2] = 0;
  w2[3] = 0;
  w3[0] = 0;
  w3[1] = 0;
  w3[2] = 0;
  w3[3] = 0;

  sha1_hmac_ctx_t ctx;

  sha1_hmac_init_64 (&ctx, w0, w1, w2, w3);

  sha1_hmac_update_global (&ctx, esalt_bufs[digests_offset].SID, esalt_bufs[digests_offset].SID_len);

  sha1_hmac_final (&ctx);

  u32 key[5];

  key[0] = ctx.opad.h[0];
  key[1] = ctx.opad.h[1];
  key[2] = ctx.opad.h[2];
  key[3] = ctx.opad.h[3];
  key[4] = ctx.opad.h[4];

  /* this key is used as password for pbkdf2-hmac-sha1 */

  tmps[gid].userKey[0] = key[0];
  tmps[gid].userKey[1] = key[1];
  tmps[gid].userKey[2] = key[2];
  tmps[gid].userKey[3] = key[3];
  tmps[gid].userKey[4] = key[4];

  w0[0] = key[0];
  w0[1] = key[1];
  w0[2] = key[2];
  w0[3] = key[3];
  w1[0] = key[4];
  w1[1] = 0;
  w1[2] = 0;
  w1[3] = 0;
  w2[0] = 0;
  w2[1] = 0;
  w2[2] = 0;
  w2[3] = 0;
  w3[0] = 0;
  w3[1] = 0;
  w3[2] = 0;
  w3[3] = 0;

  sha1_hmac_ctx_t sha1_hmac_ctx;

  sha1_hmac_init_64 (&sha1_hmac_ctx, w0, w1, w2, w3);

  tmps[gid].ipad[0] = sha1_hmac_ctx.ipad.h[0];
  tmps[gid].ipad[1] = sha1_hmac_ctx.ipad.h[1];
  tmps[gid].ipad[2] = sha1_hmac_ctx.ipad.h[2];
  tmps[gid].ipad[3] = sha1_hmac_ctx.ipad.h[3];
  tmps[gid].ipad[4] = sha1_hmac_ctx.ipad.h[4];

  tmps[gid].opad[0] = sha1_hmac_ctx.opad.h[0];
  tmps[gid].opad[1] = sha1_hmac_ctx.opad.h[1];
  tmps[gid].opad[2] = sha1_hmac_ctx.opad.h[2];
  tmps[gid].opad[3] = sha1_hmac_ctx.opad.h[3];
  tmps[gid].opad[4] = sha1_hmac_ctx.opad.h[4];

  w0[0] = esalt_bufs[digests_offset].iv[0];
  w0[1] = esalt_bufs[digests_offset].iv[1];
  w0[2] = esalt_bufs[digests_offset].iv[2];
  w0[3] = esalt_bufs[digests_offset].iv[3];
  w1[0] = 0;
  w1[1] = 0;
  w1[2] = 0;
  w1[3] = 0;
  w2[0] = 0;
  w2[1] = 0;
  w2[2] = 0;
  w2[3] = 0;
  w3[0] = 0;
  w3[1] = 0;
  w3[2] = 0;
  w3[3] = 0;

  sha1_hmac_update_64 (&sha1_hmac_ctx, w0, w1, w2, w3, 16);

  for (u32 i = 0, j = 1; i < 8; i += 5, j += 1)
  {
    sha1_hmac_ctx_t sha1_hmac_ctx2 = sha1_hmac_ctx;

    w0[0] = j;
    w0[1] = 0;
    w0[2] = 0;
    w0[3] = 0;
    w1[0] = 0;
    w1[1] = 0;
    w1[2] = 0;
    w1[3] = 0;
    w2[0] = 0;
    w2[1] = 0;
    w2[2] = 0;
    w2[3] = 0;
    w3[0] = 0;
    w3[1] = 0;
    w3[2] = 0;
    w3[3] = 0;

    sha1_hmac_update_64 (&sha1_hmac_ctx2, w0, w1, w2, w3, 4);

    sha1_hmac_final (&sha1_hmac_ctx2);

    tmps[gid].dgst[i + 0] = sha1_hmac_ctx2.opad.h[0];
    tmps[gid].dgst[i + 1] = sha1_hmac_ctx2.opad.h[1];
    tmps[gid].dgst[i + 2] = sha1_hmac_ctx2.opad.h[2];
    tmps[gid].dgst[i + 3] = sha1_hmac_ctx2.opad.h[3];
    tmps[gid].dgst[i + 4] = sha1_hmac_ctx2.opad.h[4];

    tmps[gid].out[i + 0] = tmps[gid].dgst[i + 0];
    tmps[gid].out[i + 1] = tmps[gid].dgst[i + 1];
    tmps[gid].out[i + 2] = tmps[gid].dgst[i + 2];
    tmps[gid].out[i + 3] = tmps[gid].dgst[i + 3];
    tmps[gid].out[i + 4] = tmps[gid].dgst[i + 4];
  }
}

__kernel void m15300_loop (KERN_ATTR_TMPS_ESALT (dpapimk_tmp_v1_t, dpapimk_t))
{
  /**
   * base
   */

  const u64 gid = get_global_id (0);

  if ((gid * VECT_SIZE) >= gid_max) return;

  u32x ipad[5];
  u32x opad[5];

  ipad[0] = packv (tmps, ipad, gid, 0);
  ipad[1] = packv (tmps, ipad, gid, 1);
  ipad[2] = packv (tmps, ipad, gid, 2);
  ipad[3] = packv (tmps, ipad, gid, 3);
  ipad[4] = packv (tmps, ipad, gid, 4);

  opad[0] = packv (tmps, opad, gid, 0);
  opad[1] = packv (tmps, opad, gid, 1);
  opad[2] = packv (tmps, opad, gid, 2);
  opad[3] = packv (tmps, opad, gid, 3);
  opad[4] = packv (tmps, opad, gid, 4);

  for (u32 i = 0; i < 8; i += 5)
  {
    u32x dgst[5];
    u32x out[5];

    dgst[0] = packv (tmps, dgst, gid, i + 0);
    dgst[1] = packv (tmps, dgst, gid, i + 1);
    dgst[2] = packv (tmps, dgst, gid, i + 2);
    dgst[3] = packv (tmps, dgst, gid, i + 3);
    dgst[4] = packv (tmps, dgst, gid, i + 4);

    out[0] = packv (tmps, out, gid, i + 0);
    out[1] = packv (tmps, out, gid, i + 1);
    out[2] = packv (tmps, out, gid, i + 2);
    out[3] = packv (tmps, out, gid, i + 3);
    out[4] = packv (tmps, out, gid, i + 4);

    for (u32 j = 0; j < loop_cnt; j++)
    {
      u32x w0[4];
      u32x w1[4];
      u32x w2[4];
      u32x w3[4];

      w0[0] = out[0];
      w0[1] = out[1];
      w0[2] = out[2];
      w0[3] = out[3];
      w1[0] = out[4];
      w1[1] = 0x80000000;
      w1[2] = 0;
      w1[3] = 0;
      w2[0] = 0;
      w2[1] = 0;
      w2[2] = 0;
      w2[3] = 0;
      w3[0] = 0;
      w3[1] = 0;
      w3[2] = 0;
      w3[3] = (64 + 20) * 8;

      hmac_sha1_run_V (w0, w1, w2, w3, ipad, opad, dgst);

      out[0] ^= dgst[0];
      out[1] ^= dgst[1];
      out[2] ^= dgst[2];
      out[3] ^= dgst[3];
      out[4] ^= dgst[4];
    }

    unpackv (tmps, dgst, gid, i + 0, dgst[0]);
    unpackv (tmps, dgst, gid, i + 1, dgst[1]);
    unpackv (tmps, dgst, gid, i + 2, dgst[2]);
    unpackv (tmps, dgst, gid, i + 3, dgst[3]);
    unpackv (tmps, dgst, gid, i + 4, dgst[4]);

    unpackv (tmps, out, gid, i + 0, out[0]);
    unpackv (tmps, out, gid, i + 1, out[1]);
    unpackv (tmps, out, gid, i + 2, out[2]);
    unpackv (tmps, out, gid, i + 3, out[3]);
    unpackv (tmps, out, gid, i + 4, out[4]);
  }
}

__kernel void m15300_comp (KERN_ATTR_TMPS_ESALT (dpapimk_tmp_v1_t, dpapimk_t))
{
  const u64 gid = get_global_id (0);
  const u64 lid = get_local_id (0);
  const u64 lsz = get_local_size (0);

  /**
   * des shared
   */

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

  for (MAYBE_VOLATILE 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];
  }

  barrier (CLK_LOCAL_MEM_FENCE);

  if (gid >= gid_max) return;

  /**
   * main
   */

  u32 w0[4];
  u32 w1[4];
  u32 w2[4];
  u32 w3[4];

  u32 ipad[5];
  u32 opad[5];

  u32 key[6];

  key[0] = swap32_S (tmps[gid].out[0]);
  key[1] = swap32_S (tmps[gid].out[1]);
  key[2] = swap32_S (tmps[gid].out[2]);
  key[3] = swap32_S (tmps[gid].out[3]);
  key[4] = swap32_S (tmps[gid].out[4]);
  key[5] = swap32_S (tmps[gid].out[5]);

  u32 iv[2];

  iv[0] = swap32_S (tmps[gid].out[6]);
  iv[1] = swap32_S (tmps[gid].out[7]);

  u32 decrypted[26];

  /* Construct 3DES keys */

  const u32 a = (key[0]);
  const u32 b = (key[1]);

  u32 Ka[16];
  u32 Kb[16];

  _des_crypt_keysetup (a, b, Ka, Kb, s_skb);

  const u32 c = (key[2]);
  const u32 d = (key[3]);

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

  _des_crypt_keysetup (c, d, Kc, Kd, s_skb);

  const u32 e = (key[4]);
  const u32 f = (key[5]);

  u32 Ke[16];
  u32 Kf[16];

  _des_crypt_keysetup (e, f, Ke, Kf, s_skb);

  u32 contents_pos;
  u32 contents_off;
  u32 wx_off;

  for (wx_off = 0, contents_pos = 0, contents_off = 0; contents_pos < esalt_bufs[digests_offset].contents_len; wx_off += 2, contents_pos += 8, contents_off += 2)
  {
    /* First Pass */

    u32 data[2];

    data[0] = swap32_S (esalt_bufs[digests_offset].contents[contents_off + 0]);
    data[1] = swap32_S (esalt_bufs[digests_offset].contents[contents_off + 1]);

    u32 p1[2];

    _des_crypt_decrypt (p1, data, Ke, Kf, s_SPtrans);

    /* Second Pass */

    u32 p2[2];

    _des_crypt_encrypt (p2, p1, Kc, Kd, s_SPtrans);

    /* Third Pass */

    u32 out[2];

    _des_crypt_decrypt (out, p2, Ka, Kb, s_SPtrans);

    out[0] ^= iv[0];
    out[1] ^= iv[1];

    decrypted[wx_off + 0] = out[0];
    decrypted[wx_off + 1] = out[1];

    iv[0] = data[0];
    iv[1] = data[1];
  }

  u32 hmacSalt[4];
  u32 expectedHmac[4];
  u32 lastKey[16];

  hmacSalt[0] = swap32_S (decrypted[0]);
  hmacSalt[1] = swap32_S (decrypted[1]);
  hmacSalt[2] = swap32_S (decrypted[2]);
  hmacSalt[3] = swap32_S (decrypted[3]);

  expectedHmac[0] = swap32_S (decrypted[4 + 0]);
  expectedHmac[1] = swap32_S (decrypted[4 + 1]);
  expectedHmac[2] = swap32_S (decrypted[4 + 2]);
  expectedHmac[3] = swap32_S (decrypted[4 + 3]);

  for(int i = 0; i < 16; i++)
  {
    lastKey[i] = decrypted[i + 26 - 16];
  }

  w0[0] = tmps[gid].userKey[0];
  w0[1] = tmps[gid].userKey[1];
  w0[2] = tmps[gid].userKey[2];
  w0[3] = tmps[gid].userKey[3];
  w1[0] = tmps[gid].userKey[4];
  w1[1] = 0;
  w1[2] = 0;
  w1[3] = 0;
  w2[0] = 0;
  w2[1] = 0;
  w2[2] = 0;
  w2[3] = 0;
  w3[0] = 0;
  w3[1] = 0;
  w3[2] = 0;
  w3[3] = 0;

  sha1_hmac_ctx_t ctx;

  sha1_hmac_init_64 (&ctx, w0, w1, w2, w3);

  w0[0] = hmacSalt[0];
  w0[1] = hmacSalt[1];
  w0[2] = hmacSalt[2];
  w0[3] = hmacSalt[3];
  w1[0] = 0;
  w1[1] = 0;
  w1[2] = 0;
  w1[3] = 0;
  w2[0] = 0;
  w2[1] = 0;
  w2[2] = 0;
  w2[3] = 0;
  w3[0] = 0;
  w3[1] = 0;
  w3[2] = 0;
  w3[3] = 0;

  sha1_hmac_update_64 (&ctx, w0, w1, w2, w3, 16);

  sha1_hmac_final (&ctx);

  w0[0] = ctx.opad.h[0];
  w0[1] = ctx.opad.h[1];
  w0[2] = ctx.opad.h[2];
  w0[3] = ctx.opad.h[3];
  w1[0] = ctx.opad.h[4];
  w1[1] = 0;
  w1[2] = 0;
  w1[3] = 0;
  w2[0] = 0;
  w2[1] = 0;
  w2[2] = 0;
  w2[3] = 0;
  w3[0] = 0;
  w3[1] = 0;
  w3[2] = 0;
  w3[3] = 0;

  sha1_hmac_init_64 (&ctx, w0, w1, w2, w3);

  w0[0] = swap32_S (lastKey[ 0]);
  w0[1] = swap32_S (lastKey[ 1]);
  w0[2] = swap32_S (lastKey[ 2]);
  w0[3] = swap32_S (lastKey[ 3]);
  w1[0] = swap32_S (lastKey[ 4]);
  w1[1] = swap32_S (lastKey[ 5]);
  w1[2] = swap32_S (lastKey[ 6]);
  w1[3] = swap32_S (lastKey[ 7]);
  w2[0] = swap32_S (lastKey[ 8]);
  w2[1] = swap32_S (lastKey[ 9]);
  w2[2] = swap32_S (lastKey[10]);
  w2[3] = swap32_S (lastKey[11]);
  w3[0] = swap32_S (lastKey[12]);
  w3[1] = swap32_S (lastKey[13]);
  w3[2] = swap32_S (lastKey[14]);
  w3[3] = swap32_S (lastKey[15]);

  sha1_hmac_update_64 (&ctx, w0, w1, w2, w3, 64);

  sha1_hmac_final (&ctx);

  #define il_pos 0

  if ((expectedHmac[0] == ctx.opad.h[0])
   && (expectedHmac[1] == ctx.opad.h[1])
   && (expectedHmac[2] == ctx.opad.h[2])
   && (expectedHmac[3] == ctx.opad.h[3]))
  {
    if (atomic_inc (&hashes_shown[digests_offset]) == 0)
    {
      mark_hash (plains_buf, d_return_buf, salt_pos, digests_cnt, 0, digests_offset + 0, gid, il_pos);
    }
  }
}