Method: JOSE::JWA::PKCS7#unpad

Defined in:
lib/jose/jwa/pkcs7.rb

#unpad(binary) ⇒ Object 



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# File 'lib/jose/jwa/pkcs7.rb', line 10

def unpad(binary)
  p = binary.getbyte(-1)
  size = binary.bytesize - p
  binary_s = StringIO.new(binary)
  result = binary_s.read(size)
  p.times do
    if binary_s.getbyte != p
      raise ArgumentError, "unrecognized padding"
    end
  end
  return result
end