Ruby: AES Example

aes.rb

require 'uri'
require 'net/http'
require 'net/https'
require 'base64'

input = "this is a test"
iv = "532b6195636c6127"
key = "532b6195636c61279a010000"

puts "Input:      [" + input.bytes.join(" ") + "]"
puts "Key:        [" + key.bytes.join(" ") + "]"
puts "IV:         [" + iv.bytes.join(" ") + "]"

cipher = OpenSSL::Cipher::AES.new(128, :CFB)
cipher.encrypt
cipher.key = key
cipher.iv = iv
encrypted = cipher.update(input)

decipher = OpenSSL::Cipher::AES.new(128, :CFB)
decipher.decrypt
decipher.key = key
decipher.iv = iv

puts "Output:     [" + encrypted.bytes.join(" ") + "]"