Re: Multiple encryption: again, and again, and again...

From: Tom St Denis (tomstdenis_at_iahu.ca)
Date: 08/09/03


Date: Sat, 09 Aug 2003 16:26:59 GMT


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Kev wrote:
| So, my question to the experts is: if you're reasonably sure that a
| certain set of ciphers used cumulatively doesn't weaken the overall
| chain, isn't multiple encryption worthwhile (if speed isn't a major
| concern)

No. There are multiple arguments against it

1. Increases size, decreases speed
2. Increases complexity
3. Doesn't provide additional security
4. Can easily mislead newbies as to the uber properties.

Tom
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