Class: String

Inherits:
Object show all
Defined in:
lib/pedump/core.rb

Direct Known Subclasses

PEdump::DOSStub, PEdump::RichHdr

Instance Method Summary collapse

Instance Method Details

#xor(x) ⇒ Object 



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# File 'lib/pedump/core.rb', line 6

def xor x
  if x.is_a?(String)
    r = ''
    j = 0
    0.upto(self.size-1) do |i|
      r << (self[i].ord^x[j].ord).chr
      j+=1
      j=0 if j>= x.size
    end
    r
  else
    r = ''
    0.upto(self.size-1) do |i|
      r << (self[i].ord^x).chr
    end
    r
  end
end