Re: 3des cipher and DH group size

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On Mon, 17 Feb 2014, Hubert Kario wrote:

> > I choose standards and objective guidelines over your personal
> > definitions of "relatively secure" and "normal person".
> 
> The standards say quite explicitly: iff 3DES => 2k DH. iff AES-128 => 3k DH.
> They don't say if SHA-1 MAC => 7k DH.
> 
> But that's what current code is doing.
> 
> FIPS (it even has "Standard" in the name) says that we shouldn't use
> DH with keys over 3072 bits, ever. Why you're not following it?

FIPS always lags good practice. E.g. permitting single DES until 2007.

-d


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