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Re^4: Short & Sweet Encryption?

by thor (Priest)
on Jul 30, 2006 at 20:50 UTC ( #564658=note: print w/replies, xml ) Need Help??

in reply to Re^3: Short & Sweet Encryption?
in thread Short & Sweet Encryption?

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.


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