Creating a SagePay Encryption in Ruby

A SagePay encryption for Ruby that some folk might find useful.

I’ve just had to create SagePay encryption in Ruby that isn’t well documented anywhere, eventually found an old broken gem that I was able to use for parts. Thought someone might find it useful!

  def self.encrypt(input, password)
    cipher ='AES-128-CBC')
    cipher.key = password
    cipher.iv = password

    result = cipher.update(input) +


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