coldfusion10decrypt.rb

require 'openssl'
require 'base64'

SEED = 'EB3452127614E25A'
strings = ["TWMQJJtbRUD5FJur/SuWmW53rumcHkzZGS6TqK3CTvM=", "ZGG8VSEQSeJL45huJFIl3oLX0UE5tVlchKvXsGdYprQ=", "HybRUpUK8tXT0++qaOX+vNYYclDJsx2gBfLFc8j8N34=", "g4YT2OoY8qIG0M7BzrKI7CJMwv2KzVFBlAuSsZByErA="]

encryptedString = "g4YT2OoY8qIG0M7BzrKI7CJMwv2KzVFBlAuSsZByErA="


def decrypt(cpass)
	blockSize = 16;
	rawBinary = Base64.decode64(cpass);
	# IV is always the first block 
	ivBytes   = rawBinary[0...blockSize]#arraySlice(rawBinary, 1, blockSize);
	# Remaining bytes are the encrypted value
	dataBytes = rawBinary[blockSize..-1]#arraySlice(rawBinary, blockSize+1, arrayLen(rawBinary)-blockSize);

	des = OpenSSL::Cipher::Cipher.new('AES-128-CBC')
	des.decrypt
	des.key = SEED
	des.iv = ivBytes
	return des.update(dataBytes) + des.final
end


strings.each do |s|
decrypted = decrypt(s)

puts "#{decrypted}"
end