2048 or 4096 for new keys? aka defaults vs. Debian

Peter Lebbing peter at digitalbrains.com
Sun Oct 27 13:20:26 CET 2013

On 27/10/13 13:11, Peter Lebbing wrote:
> A signature by a 2048-bit DSA key is twice as large as a signature by a 2048-bit
> RSA key, but offers the same order of strength.

Oops. I just read Werners message, and I had it reversed :). Taking a look at
RFC 4880, I see that a 2048-bit key has a 256-bit parameter q, and the signature
is two values mod q, so 512 bits. By the way, q limits the hash size.


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