srand_seed_generator.rb

# = srand_seed_generator.rb - Random seed generator uses the system time and currently running processes to generate a highly random seed.
#
# Perry Hertler mailto:[email protected]
#
# == Example
#
# my_seed = PwFoo::SrandSeedGenerator.new.get_next_seed
module PwFoo
  require 'digest/md5'
  
  class SrandSeedGenerator
    def initialize
    end
 
    def get_next_seed
      time_in_micro = Time.new().to_f * 100000
      checksum = _get_checksum
 
      time_in_micro * time_in_micro + checksum.to_i
    end
 
    def _get_checksum
      Digest::MD5.hexdigest(`ps axww | gzip`)
    end
 
  end
end