/* DBCServer_Release_x64.exe sha256 d9e4fccdf3482e50247686d4452c0b13c75a53efc4bd7320668eece8d1ce828c
 * Ghidra 12.1.2 decompiler output for 0x1401b0870 FUN_1401b0870
 * Pseudocode, not original source. */

/* WARNING: Function: __security_check_cookie replaced with injection: security_check_cookie */

void FUN_1401b0870(longlong param_1,longlong param_2,byte *param_3,ulonglong param_4,int param_5)

{
  int iVar1;
  undefined1 auVar2 [16];
  undefined1 auVar3 [16];
  ulonglong uVar4;
  byte *pbVar5;
  ulonglong uVar6;
  uint uVar7;
  undefined1 auStack_c8 [32];
  undefined1 local_a8 [72];
  byte local_60 [32];
  ulonglong local_40;
  
  local_40 = DAT_1403463c0 ^ (ulonglong)auStack_c8;
  if (*(int *)(param_1 + 0x3c0) < 1) {
    FUN_14016d300(local_a8,L"aes key is not initialized");
                    /* WARNING: Subroutine does not return */
    _CxxThrowException(local_a8,(ThrowInfo *)&DAT_1403417f8);
  }
  if (param_4 != 0) {
    uVar6 = (ulonglong)*(int *)(param_1 + 0x3c4);
    auVar2._8_8_ = 0;
    auVar2._0_8_ = uVar6;
    auVar3._8_8_ = 0;
    auVar3._0_8_ = param_4;
    uVar4 = param_4 / uVar6;
    if (SUB168(auVar3 % auVar2,0) == 0) {
      local_60[1] = 0;
      local_60[2] = 0;
      local_60[3] = 0;
      local_60[4] = 0;
      local_60[5] = 0;
      local_60[6] = 0;
      local_60[7] = 0;
      local_60[8] = 0;
      local_60[9] = 0;
      local_60[10] = 0;
      local_60[0xb] = 0;
      local_60[0xc] = 0;
      local_60[0xd] = 0;
      local_60[0xe] = 0;
      local_60[0xf] = 0;
      local_60[0x10] = 0;
      local_60[0x11] = 0;
      local_60[0x12] = 0;
      local_60[0x13] = 0;
      local_60[0x14] = 0;
      local_60[0x15] = 0;
      local_60[0x16] = 0;
      local_60[0x17] = 0;
      local_60[0x18] = 0;
      local_60[0x19] = 0;
      local_60[0x1a] = 0;
      local_60[0x1b] = 0;
      local_60[0x1c] = 0;
      local_60[0x1d] = 0;
      local_60[0x1e] = 0;
      local_60[0x1f] = 0;
      uVar7 = 0;
      local_60[0] = SUB161(auVar3 % auVar2,0);
      if (param_5 == 1) {
        if (uVar4 != 0) {
          do {
            if (0 < (int)uVar6) {
              uVar6 = uVar6 & 0xffffffff;
              pbVar5 = local_60;
              do {
                *pbVar5 = *pbVar5 ^ pbVar5[param_2 - (longlong)local_60];
                uVar6 = uVar6 - 1;
                pbVar5 = pbVar5 + 1;
              } while (uVar6 != 0);
            }
            FUN_1401b0110(local_60,param_3,param_1);
            uVar6 = (ulonglong)*(int *)(param_1 + 0x3c4);
            memcpy(local_60,param_3,uVar6);
            uVar7 = uVar7 + 1;
            param_2 = param_2 + *(int *)(param_1 + 0x3c4);
            param_3 = param_3 + *(int *)(param_1 + 0x3c4);
          } while ((ulonglong)uVar7 < param_4 / uVar6);
        }
      }
      else if (param_5 == 2) {
        if (uVar4 != 0) {
          do {
            FUN_1401b0110(local_60,param_3,param_1);
            if (0 < (int)*(uint *)(param_1 + 0x3c4)) {
              uVar4 = (ulonglong)*(uint *)(param_1 + 0x3c4);
              pbVar5 = param_3;
              do {
                *pbVar5 = *pbVar5 ^ pbVar5[param_2 - (longlong)param_3];
                uVar4 = uVar4 - 1;
                pbVar5 = pbVar5 + 1;
              } while (uVar4 != 0);
            }
            iVar1 = *(int *)(param_1 + 0x3c4);
            memcpy(local_60,param_3,(longlong)iVar1);
            uVar7 = uVar7 + 1;
            param_2 = param_2 + *(int *)(param_1 + 0x3c4);
            param_3 = param_3 + *(int *)(param_1 + 0x3c4);
          } while ((ulonglong)uVar7 < param_4 / (ulonglong)(longlong)iVar1);
        }
      }
      else if (uVar4 != 0) {
        do {
          FUN_1401b0110(param_2,param_3,param_1);
          uVar7 = uVar7 + 1;
          param_2 = param_2 + *(int *)(param_1 + 0x3c4);
          param_3 = param_3 + *(int *)(param_1 + 0x3c4);
        } while ((ulonglong)uVar7 < param_4 / (ulonglong)(longlong)*(int *)(param_1 + 0x3c4));
      }
      return;
    }
  }
  FUN_14016d300(local_a8,L"block size is not 16byte or 24byte or 32byte");
                    /* WARNING: Subroutine does not return */
  _CxxThrowException(local_a8,(ThrowInfo *)&DAT_1403417f8);
}