On 07/11/2001 18:40 +0100, Dale Amon wrote: >> 3) Encrypting sequentially with two different symmetric >> keys of 256 bits will have an end result that has a >> security of 256 <= equivkeysize <= 512. >> This is not always true; there are known cases where, due to weaknesses in algorithms, encrypting twice may actually be weaker than encrypting once - i.e. you may end up with equivkeysize < 256. This really depends on the algorithm and the choice of keys, though (many algorithms have certain keys that are weaker than others, as well). -- twalberg@xxxxxxxxxxxxxx
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