Module: SecureCompare

Defined in:
lib/secure_compare.rb

Class Method Summary collapse

Class Method Details

.compare(a, b) ⇒ Object 



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# File 'lib/secure_compare.rb', line 2

def self.compare(a, b)
  return false unless a.bytesize == b.bytesize

  l = a.unpack "C#{a.bytesize}"

  res = 0
  b.each_byte { |byte| res |= byte ^ l.shift }
  res == 0
end