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in reply to Re: Encryption Question
in thread Encryption Question

It encrypts and decrypts with the same function (I forget the technical term for it ...)

Symmetrical cipher. Also (though this doesn't matter in this particular case), RC4 is a stream cipher, which means it encrypts a character at a time. This is as opposed to a block cipher, which encrypts a small block of characters (usually 8 characters, in my experience) at once.
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Kurt