module Base64
Ruby on Rails 3.0.20
Since v2.2.3 Last seen in v3.2.22.5Base64 provides utility methods for encoding and de-coding binary data using a base 64 representation. A base 64 representation of binary data consists entirely of printable US-ASCII characters. The Base64 module is included in Ruby 1.8, but has been removed in Ruby 1.9.