Hi Steve,
An old south African Magician used to always say:
"Cheat you here, Cheat you there, and There you have it !!"
So Here we go,
and then here...
Download it - Unzip it - they should be in there.
On the other hand, without seeing your code and what you intend doing, you could possibly use Stringutils and Encode/Decode Base 64 with them.
Six of one, half a dozen of the other !!
Enjoy !!