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One Time Pads do have their application. For instance, the Russians used them to great effect for a while during the Cold War. Where they tripped up was they started to reuse keys. The One Time Pad assumes a random key. Once it starts repeating, it becomes a Vigenère Cipher, which has trivial to implement attacks against it.
As far as why you would implement such a thing, I leave that to your imagination. I wasn't even saying that it was a particularly good choice for this application. I was just defending xor-based ciphers in general. thor The only easy day was yesterday In reply to Re^4: Short & Sweet Encryption?
by thor
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