hash

--[[
Written by valithor
http://www.computercraft.info/forums2/index.php?/topic/24527-small-hashingencryption-api/page__hl__encrypt__fromsearch__1
]]--
function hash(msg,salt,bool)
  if not bool then
        for i = 1, 10 do
          msg = hash(msg,salt or "",true)
        end
  end
  local num = ""
  local salt = salt ~= nil and salt..msg or msg
  for i = 1, #salt do
        local let = salt:sub(i,i):byte()
        num = let <= 9  and num.."99"..let or let<=99 and num.."9"..let or num..let
  end
  math.randomseed(tonumber(num))
  local hashed = ""
  for i = 1, 32 do
        hashed = hashed..string.char(math.random(32,127))
  end
  return hashed
end