Module: UseUrandom

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

Constant Summary collapse

URANDOM = 
"/dev/urandom"
VERSION = 
"0.1.0"

Class Method Summary collapse

Class Method Details

.urandom(n) ⇒ Object 



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# File 'lib/use_urandom.rb', line 21

def self.urandom(n)
  device = ($urandom_file_test.nil?) ? URANDOM : $urandom_file_test
  fh = File.open device, 'rb'
  raise "Invalid urandom file" unless (fh.stat.uid == 0 && fh.stat.gid == 0)
  data = fh.read(n)
  raise "Not enough data read" unless data.size == n
  data
end