undefined4

AES_Key_Unwrap(void *param_1,int param_2,undefined4 param_3,int param_4,void *param_5,uint *param_6)

{

  uint uVar1;

  undefined4 uVar2;

  uint uVar3;

  int iVar4;

  uint uVar5;

  uint uVar6;

  int iVar7;

  uint __n;

  void *local_60;

  undefined4 local_5c;

  undefined1 auStack_58 [7];

  byte local_51;

  undefined1 auStack_50 [8];

  undefined1 auStack_48 [8];

  undefined1 auStack_40 [8];

  undefined1 auStack_38 [8];

  uint local_30;

  int local_2c;

  local_5c = 0;

  if (((param_4 == 0x10) || (param_4 == 0x18)) || (param_4 == 0x20)) {

    __n = param_2 - 8;

    os_alloc_mem(0,&local_60,__n);

    if (local_60 == (void *)0x0) {

      uVar2 = 0xfffffffe;

      if (RTDebugLevel != 0) {

        printk("AES_Key_Unwrap: allocate %d bytes memory failure.\n",__n);

        uVar2 = 0xfffffffe;

      }

    }

    else {

      memmove(auStack_58,param_1,8)   //possible issue identified - semgrep

      memmove(local_60,(void *)((int)param_1 + 8),__n)   //possible issue identified - semgrep

      uVar3 = __n >> 3;

      uVar1 = uVar3 * 6;

      local_30 = -uVar3 & 0xff;

      local_2c = (uVar3 + 0x1fffffff) * 8;

      iVar7 = 5;

      do {

        iVar4 = local_2c;

        uVar5 = uVar1 & 0xff;

        uVar6 = uVar3;

        while( true ) {

          uVar6 = uVar6 - 1;

          if ((int)uVar6 < 0) break;

          local_51 = (byte)uVar5 ^ local_51;

          memmove(auStack_40,auStack_58,8)   //possible issue identified - semgrep

          memmove(auStack_38,(void *)((int)local_60 + iVar4),8)   //possible issue identified - semgrep

          local_5c = 0x10;

          RT_AES_Decrypt(auStack_40,0x10,param_3,param_4,auStack_50,&local_5c);

          memmove(auStack_58,auStack_50,8)   //possible issue identified - semgrep

          memmove((void *)((int)local_60 + iVar4),auStack_48,8)   //possible issue identified - semgrep

          uVar5 = uVar5 - 1 & 0xff;

          iVar4 = iVar4 + -8;

        }

        iVar7 = iVar7 + -1;

        uVar1 = (uVar1 & 0xff) + local_30;

      } while (iVar7 != -1);

      *param_6 = __n;

      memmove(param_5,local_60,__n)   //possible issue identified - semgrep

      os_free_mem(0,local_60);

      uVar2 = 0;

    }

  }

  else {

    uVar2 = 0xffffffff;

    if (RTDebugLevel != 0) {

      printk("AES_Key_Unwrap: key length is %d bytes, it must be %d, %d, or %d bytes(128, 192, or 256 bits).\n"

             ,param_4,0x10,0x18,0x20);

      uVar2 = 0xffffffff;

    }

  }

  return uVar2;

}