Module: UseUrandom

Defined in:
lib/use_urandom.rb,
lib/use_urandom/version.rb

Constant Summary collapse

VERSION = 
"0.2.0"

Class Method Summary collapse

Class Method Details

.urandom(n) ⇒ Object

Reads ‘n’ bytes from URANDOm



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# File 'lib/use_urandom.rb', line 26

def self.urandom(n)
  # Facilitates testing
  fh = File.open SecureRandom::URANDOM, 'rb'
  # Sanity test - owned by root
  raise "Invalid urandom file" unless (fh.stat.uid == 0 && fh.stat.chardev?)
  data = fh.read(n)
  fh.close
  raise "Not enough data read" unless data.size == n
  data
end