GPG and PGP

[Jeffrey Walton]

On Wed, Mar 16, 2011 at 9:41 AM,  <vedaal at nym.hush.com> wrote:
> David Shaw dshaw at jabberwocky.com wrote on
> Wed Mar 16 00:42:48 CET 2011 :
>
>
>>GnuPG does the MDC by default whenever all the keys can handle it
>
> What kind of key can't handle it in gnupg?
>
> I sent messages to all key types, including v3 keys, using the
> forced MDC,
> (my preferred cipher is 3DES, not that I have anything against any
> others, but have been used to using it and see no particular reason
> to change),
2 key or 3 key? 2TDEA only provides about 80 bits of security, and is
usually not recommend for use.

NIST SP 800-57:
http://csrc.nist.gov/publications/nistpubs/800-57/sp800-57-Part1-revised2_Mar08-2007.pdf
ECRYPT2 Yearly report on Key Sizes:
http://www.ecrypt.eu.org/documents/D.SPA.13.pdf

Jeff