rc4_cipher

RC4

###Install

In a terminal window simply install via the gem command

$ gem install rc4_cipher

another way to add it is to include it in your gemfile

gem 'rc4_cipher'

###Use

Require the gem in your program and create a new instance of the RC4 object, passing it a key string.

require 'rc4_cipher'

cipher = RC4.new("Secret")

To receive bytes from the keystream access the key object and use the next function to return values

cipher.key.next

To encryt & decrypt text, use the encrypt! and decrypt! methods

output = "Attack at dawn"
cipher.ecrypt!(output)

cipher2 = RC4.new("Secret")

cipher2.decrypt!(output)