Fast MAC algorithms?

James A. Donald jamesd at echeque.com
Sun Jul 26 16:50:26 EDT 2009


From: "Nicolas Williams" <Nicolas.Williams at sun.com>
>> For example, many people use arcfour in SSHv2 over AES because arcfour
>> is faster than AES.

Joseph Ashwood wrote:
> I would argue that they use it because they are stupid. ARCFOUR should 
> have been retired well over a decade ago, it is weak, it meets no 
> reasonable security requirements,

No one can break arcfour used correctly - unfortunately, it is tricky to 
use it correctly.

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