first round of tests look okay, now we can re-use this function :-)

lib/encryption.rb

@@ -0,0 +1,36 @@
+module Encryption
+ 
+  # Added a re-usable encryption routine, shouldn't be an issue!
+  def self.encrypt_sensitive_value(val="")
+     aes = OpenSSL::Cipher::Cipher.new(cipher_type)
+     aes.encrypt
+     aes.key = key
+     aes.iv = iv if iv != nil
+     new_val = aes.update("#{val}") + aes.final
+     Base64.strict_encode64(new_val).encode('utf-8')
+  end
+  
+  def self.decrypt_sensitive_value(val="")
+     aes = OpenSSL::Cipher::Cipher.new(cipher_type)
+     aes.decrypt
+     aes.key = key
+     aes.iv = iv if iv != nil
+     decoded = Base64.strict_decode64("#{val}")
+     aes.update("#{decoded}") + aes.final
+  end
+  
+  # Should be able to just re-use the same key we already have!
+  def self.key
+    raise "Key Missing" if !(KEY)
+    KEY
+  end
+  
+  def self.iv
+    RG_IV
+  end
+  
+  def self.cipher_type
+    'aes-256-cbc'
+  end
+ 
+end