Random Base64 Generator Z. Cliffe Schreuders MIT Uses Ruby's SecureRandom to generate a message made up of base64 digits (A-Z, a-z, 0-9, +, / and =). string_generator local_calculation linux windows http://ruby-doc.org/stdlib-2.2.2/libdoc/securerandom/rdoc/SecureRandom.html#method-c-base64 generated_strings