SixArm.com » Ruby » SecureRandom gem number generator for Ruby 1.8.6, backported from 1.8.7

Author

Joel Parker Henderson, joelparkerhenderson@gmail.com

Copyright

Copyright the original author; I merely made it into a gem.

License

See LICENSE.txt file

This gem is intended for use with Ruby 1.8.6 only.

This gem is a backport of the built-in securerandom method from Ruby 1.8.7.

This library is an interface for secure random number generator which is suitable for generating session key in HTTP cookies, etc.

It supports following secure random number generators.

* openssl
* /dev/urandom

Examples

SecureRandom.hex(10) => "52750b30ffbc7de3b362"
SecureRandom.hex(10) => "92b15d6c8dc4beb5f559"
SecureRandom.hex(11) => "6aca1b5c58e4863e6b81b8"
SecureRandom.hex(12) => "94b2fff3e7fd9b9c391a2306"
SecureRandom.hex(13) => "39b290146bea6ce975c37cfc23"

Examples

SecureRandom.base64(10) => "EcmTPZwWRAozdA=="
SecureRandom.base64(10) => "9b0nsevdwNuM/w=="
SecureRandom.base64(10) => "KO1nIU+p9DKxGg=="
SecureRandom.base64(11) => "l7XEiFja+8EKEtY="
SecureRandom.base64(12) => "7kJSM/MzBJI+75j8"
SecureRandom.base64(13) => "vKLJ0tXBHqQOuIcSIg=="

Examples

SecureRandom.random_bytes(10) => "\016\t{\370g\310pbr\301"
SecureRandom.random_bytes(10) => "\323U\030TO\234\357\020\a\337"