On 2/26/11 12:41 AM, John Clizbe wrote:
> pg 64. Sect 4.5.7 - Which Block Cipher Should I Use?
And, I forgot: I have my Kindle with me. _Practical Cryptography_ isn't
available on Kindle, but _Cryptography Engineering_ is (also by
Schneier). Quoting from 3.5.6, "Which Block Cipher Should I Choose?"
The recent cryptanalytic advances against AES make these a
tough choice. Despite these cryptanalytic advances, AES is
still what we recommend. It is fast. All known attacks
are theoretical, not practical. Even though AES is now
broken academically, these breaks do not imply a significant
security degradation of real systems in practice.
...
There are probably circumstances in which 3DES still is the
best solution. If you have to be backward-compatible, or are
locked into a 64-bit block size by other parts of the system,
then 3DES is still your best choice.
... So, yeah. There's Schneier himself, saying "use AES if at all
possible: and if you have to have a 64-bit block size cipher, use 3DES
even over Blowfish, CAST5, IDEA, or any other 64-bit block cipher I
mentioned in _Applied Cryptography_."
Hopefully this puts the nail in the coffin, and we can end this thread.
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