I don't think we have any genuine encryption experts, so its hard to say
which is really better. 3des is still used by banks. If I recall,
Blowfish (or perhaps its IDEA or both) is patented. Although, now that
you bring up the point, it is kind of funny that AES isn't in the list for
ssh....
I can almost see DES decryptions not being too much work. I have the DES
cracker book, and using current generation FPGA, its probably a lot
cheaper than the $200K claimed of many years ago. By contrast, 3DES is
quite a bit harder to crack, and has 168 bits of key, and effectively 48
rounds instead of 16 rounds.
If someone is breaking 3des, "you don't need to know". ;-)
Some things still use DES, like AFS.
--Dean
On Wed, 12 Jan 2005, Scott Ehrlich wrote:
> Hello to all:
>
> When using ssh, which encryption method is considered more secure - 3des
> or blowfish? I've always used 3des.
>
> Thanks for educating me.
>
> Scott
>
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