/**
 * 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_sha1.cl"

#if   VECT_SIZE == 1
#define uint_to_hex_lower8_le(i) (u32x) (l_bin2asc[(i)])
#elif VECT_SIZE == 2
#define uint_to_hex_lower8_le(i) (u32x) (l_bin2asc[(i).s0], l_bin2asc[(i).s1])
#elif VECT_SIZE == 4
#define uint_to_hex_lower8_le(i) (u32x) (l_bin2asc[(i).s0], l_bin2asc[(i).s1], l_bin2asc[(i).s2], l_bin2asc[(i).s3])
#elif VECT_SIZE == 8
#define uint_to_hex_lower8_le(i) (u32x) (l_bin2asc[(i).s0], l_bin2asc[(i).s1], l_bin2asc[(i).s2], l_bin2asc[(i).s3], l_bin2asc[(i).s4], l_bin2asc[(i).s5], l_bin2asc[(i).s6], l_bin2asc[(i).s7])
#elif VECT_SIZE == 16
#define uint_to_hex_lower8_le(i) (u32x) (l_bin2asc[(i).s0], l_bin2asc[(i).s1], l_bin2asc[(i).s2], l_bin2asc[(i).s3], l_bin2asc[(i).s4], l_bin2asc[(i).s5], l_bin2asc[(i).s6], l_bin2asc[(i).s7], l_bin2asc[(i).s8], l_bin2asc[(i).s9], l_bin2asc[(i).sa], l_bin2asc[(i).sb], l_bin2asc[(i).sc], l_bin2asc[(i).sd], l_bin2asc[(i).se], l_bin2asc[(i).sf])
#endif

__kernel void m04520_mxx (__global pw_t *pws, __global const kernel_rule_t *rules_buf, __global const pw_t *combs_buf, __constant const u32x *words_buf_r, __global void *tmps, __global void *hooks, __global const u32 *bitmaps_buf_s1_a, __global const u32 *bitmaps_buf_s1_b, __global const u32 *bitmaps_buf_s1_c, __global const u32 *bitmaps_buf_s1_d, __global const u32 *bitmaps_buf_s2_a, __global const u32 *bitmaps_buf_s2_b, __global const u32 *bitmaps_buf_s2_c, __global const u32 *bitmaps_buf_s2_d, __global plain_t *plains_buf, __global const digest_t *digests_buf, __global u32 *hashes_shown, __global const salt_t *salt_bufs, __global const void *esalt_bufs, __global u32 *d_return_buf, __global u32 *d_scryptV0_buf, __global u32 *d_scryptV1_buf, __global u32 *d_scryptV2_buf, __global u32 *d_scryptV3_buf, const u32 bitmap_mask, const u32 bitmap_shift1, const u32 bitmap_shift2, const u32 salt_pos, const u32 loop_pos, const u32 loop_cnt, const u32 il_cnt, const u32 digests_cnt, const u32 digests_offset, const u32 combs_mode, const u32 gid_max)
{
  /**
   * modifier
   */

  const u32 gid = get_global_id (0);
  const u32 lid = get_local_id (0);
  const u32 lsz = get_local_size (0);

  /**
   * bin2asc table
   */

  __local u32 l_bin2asc[256];

  for (u32 i = lid; i < 256; i += lsz)
  {
    const u32 i0 = (i >> 0) & 15;
    const u32 i1 = (i >> 4) & 15;

    l_bin2asc[i] = ((i0 < 10) ? '0' + i0 : 'a' - 10 + i0) << 0
                 | ((i1 < 10) ? '0' + i1 : 'a' - 10 + i1) << 8;
  }

  barrier (CLK_LOCAL_MEM_FENCE);

  if (gid >= gid_max) return;

  /**
   * base
   */

  const u32 pw_len = pws[gid].pw_len;

  u32x w[64] = { 0 };

  for (int i = 0, idx = 0; i < pw_len; i += 4, idx += 1)
  {
    w[idx] = pws[gid].i[idx];
  }

  sha1_ctx_t ctx0;

  sha1_init (&ctx0);

  sha1_update_global_swap (&ctx0, salt_bufs[salt_pos].salt_buf, salt_bufs[salt_pos].salt_len);

  /**
   * loop
   */

  u32x w0l = w[0];

  for (u32 il_pos = 0; il_pos < il_cnt; il_pos += VECT_SIZE)
  {
    const u32x w0r = words_buf_r[il_pos / VECT_SIZE];

    const u32x w0lr = w0l | w0r;

    w[0] = w0lr;

    sha1_ctx_vector_t ctx1;

    sha1_init_vector (&ctx1);

    sha1_update_vector (&ctx1, w, pw_len);

    sha1_final_vector (&ctx1);

    const u32x a = ctx1.h[0];
    const u32x b = ctx1.h[1];
    const u32x c = ctx1.h[2];
    const u32x d = ctx1.h[3];
    const u32x e = ctx1.h[4];

    sha1_ctx_vector_t ctx;

    sha1_init_vector_from_scalar (&ctx, &ctx0);

    u32x w0[4];
    u32x w1[4];
    u32x w2[4];
    u32x w3[4];

    w0[0] = uint_to_hex_lower8_le ((a >> 16) & 255) <<  0
          | uint_to_hex_lower8_le ((a >> 24) & 255) << 16;
    w0[1] = uint_to_hex_lower8_le ((a >>  0) & 255) <<  0
          | uint_to_hex_lower8_le ((a >>  8) & 255) << 16;
    w0[2] = uint_to_hex_lower8_le ((b >> 16) & 255) <<  0
          | uint_to_hex_lower8_le ((b >> 24) & 255) << 16;
    w0[3] = uint_to_hex_lower8_le ((b >>  0) & 255) <<  0
          | uint_to_hex_lower8_le ((b >>  8) & 255) << 16;
    w1[0] = uint_to_hex_lower8_le ((c >> 16) & 255) <<  0
          | uint_to_hex_lower8_le ((c >> 24) & 255) << 16;
    w1[1] = uint_to_hex_lower8_le ((c >>  0) & 255) <<  0
          | uint_to_hex_lower8_le ((c >>  8) & 255) << 16;
    w1[2] = uint_to_hex_lower8_le ((d >> 16) & 255) <<  0
          | uint_to_hex_lower8_le ((d >> 24) & 255) << 16;
    w1[3] = uint_to_hex_lower8_le ((d >>  0) & 255) <<  0
          | uint_to_hex_lower8_le ((d >>  8) & 255) << 16;
    w2[0] = uint_to_hex_lower8_le ((e >> 16) & 255) <<  0
          | uint_to_hex_lower8_le ((e >> 24) & 255) << 16;
    w2[1] = uint_to_hex_lower8_le ((e >>  0) & 255) <<  0
          | uint_to_hex_lower8_le ((e >>  8) & 255) << 16;
    w2[2] = 0;
    w2[3] = 0;
    w3[0] = 0;
    w3[1] = 0;
    w3[2] = 0;
    w3[3] = 0;

    sha1_update_vector_64 (&ctx, w0, w1, w2, w3, 40);

    sha1_final_vector (&ctx);

    const u32x r0 = ctx.h[DGST_R0];
    const u32x r1 = ctx.h[DGST_R1];
    const u32x r2 = ctx.h[DGST_R2];
    const u32x r3 = ctx.h[DGST_R3];

    COMPARE_M_SIMD (r0, r1, r2, r3);
  }
}

__kernel void m04520_sxx (__global pw_t *pws, __global const kernel_rule_t *rules_buf, __global const pw_t *combs_buf, __constant const u32x *words_buf_r, __global void *tmps, __global void *hooks, __global const u32 *bitmaps_buf_s1_a, __global const u32 *bitmaps_buf_s1_b, __global const u32 *bitmaps_buf_s1_c, __global const u32 *bitmaps_buf_s1_d, __global const u32 *bitmaps_buf_s2_a, __global const u32 *bitmaps_buf_s2_b, __global const u32 *bitmaps_buf_s2_c, __global const u32 *bitmaps_buf_s2_d, __global plain_t *plains_buf, __global const digest_t *digests_buf, __global u32 *hashes_shown, __global const salt_t *salt_bufs, __global const void *esalt_bufs, __global u32 *d_return_buf, __global u32 *d_scryptV0_buf, __global u32 *d_scryptV1_buf, __global u32 *d_scryptV2_buf, __global u32 *d_scryptV3_buf, const u32 bitmap_mask, const u32 bitmap_shift1, const u32 bitmap_shift2, const u32 salt_pos, const u32 loop_pos, const u32 loop_cnt, const u32 il_cnt, const u32 digests_cnt, const u32 digests_offset, const u32 combs_mode, const u32 gid_max)
{
  /**
   * modifier
   */

  const u32 gid = get_global_id (0);
  const u32 lid = get_local_id (0);
  const u32 lsz = get_local_size (0);

  /**
   * bin2asc table
   */

  __local u32 l_bin2asc[256];

  for (u32 i = lid; i < 256; i += lsz)
  {
    const u32 i0 = (i >> 0) & 15;
    const u32 i1 = (i >> 4) & 15;

    l_bin2asc[i] = ((i0 < 10) ? '0' + i0 : 'a' - 10 + i0) << 0
                 | ((i1 < 10) ? '0' + i1 : 'a' - 10 + i1) << 8;
  }

  barrier (CLK_LOCAL_MEM_FENCE);

  if (gid >= gid_max) return;

  /**
   * digest
   */

  const u32 search[4] =
  {
    digests_buf[digests_offset].digest_buf[DGST_R0],
    digests_buf[digests_offset].digest_buf[DGST_R1],
    digests_buf[digests_offset].digest_buf[DGST_R2],
    digests_buf[digests_offset].digest_buf[DGST_R3]
  };

  /**
   * base
   */

  const u32 pw_len = pws[gid].pw_len;

  u32x w[64] = { 0 };

  for (int i = 0, idx = 0; i < pw_len; i += 4, idx += 1)
  {
    w[idx] = pws[gid].i[idx];
  }

  sha1_ctx_t ctx0;

  sha1_init (&ctx0);

  sha1_update_global_swap (&ctx0, salt_bufs[salt_pos].salt_buf, salt_bufs[salt_pos].salt_len);

  /**
   * loop
   */

  u32x w0l = w[0];

  for (u32 il_pos = 0; il_pos < il_cnt; il_pos += VECT_SIZE)
  {
    const u32x w0r = words_buf_r[il_pos / VECT_SIZE];

    const u32x w0lr = w0l | w0r;

    w[0] = w0lr;

    sha1_ctx_vector_t ctx1;

    sha1_init_vector (&ctx1);

    sha1_update_vector (&ctx1, w, pw_len);

    sha1_final_vector (&ctx1);

    const u32x a = ctx1.h[0];
    const u32x b = ctx1.h[1];
    const u32x c = ctx1.h[2];
    const u32x d = ctx1.h[3];
    const u32x e = ctx1.h[4];

    sha1_ctx_vector_t ctx;

    sha1_init_vector_from_scalar (&ctx, &ctx0);

    u32x w0[4];
    u32x w1[4];
    u32x w2[4];
    u32x w3[4];

    w0[0] = uint_to_hex_lower8_le ((a >> 16) & 255) <<  0
          | uint_to_hex_lower8_le ((a >> 24) & 255) << 16;
    w0[1] = uint_to_hex_lower8_le ((a >>  0) & 255) <<  0
          | uint_to_hex_lower8_le ((a >>  8) & 255) << 16;
    w0[2] = uint_to_hex_lower8_le ((b >> 16) & 255) <<  0
          | uint_to_hex_lower8_le ((b >> 24) & 255) << 16;
    w0[3] = uint_to_hex_lower8_le ((b >>  0) & 255) <<  0
          | uint_to_hex_lower8_le ((b >>  8) & 255) << 16;
    w1[0] = uint_to_hex_lower8_le ((c >> 16) & 255) <<  0
          | uint_to_hex_lower8_le ((c >> 24) & 255) << 16;
    w1[1] = uint_to_hex_lower8_le ((c >>  0) & 255) <<  0
          | uint_to_hex_lower8_le ((c >>  8) & 255) << 16;
    w1[2] = uint_to_hex_lower8_le ((d >> 16) & 255) <<  0
          | uint_to_hex_lower8_le ((d >> 24) & 255) << 16;
    w1[3] = uint_to_hex_lower8_le ((d >>  0) & 255) <<  0
          | uint_to_hex_lower8_le ((d >>  8) & 255) << 16;
    w2[0] = uint_to_hex_lower8_le ((e >> 16) & 255) <<  0
          | uint_to_hex_lower8_le ((e >> 24) & 255) << 16;
    w2[1] = uint_to_hex_lower8_le ((e >>  0) & 255) <<  0
          | uint_to_hex_lower8_le ((e >>  8) & 255) << 16;
    w2[2] = 0;
    w2[3] = 0;
    w3[0] = 0;
    w3[1] = 0;
    w3[2] = 0;
    w3[3] = 0;

    sha1_update_vector_64 (&ctx, w0, w1, w2, w3, 40);

    sha1_final_vector (&ctx);

    const u32x r0 = ctx.h[DGST_R0];
    const u32x r1 = ctx.h[DGST_R1];
    const u32x r2 = ctx.h[DGST_R2];
    const u32x r3 = ctx.h[DGST_R3];

    COMPARE_S_SIMD (r0, r1, r2, r3);
  }
}