what are the sub keys

[Robert J. Hansen]

On Tue, 22 Mar 2011 16:13:03 +0000, Jerome Baum <jerome at jeromebaum.com>
wrote:
> Correct me if I'm  wrong on this one, but it does  make your key weaker,
> right?

No.  Using SHA512 with a DSA-1K system is just as secure as, say, using
RIPEMD160 with a DSA-1K system.  There are no known attacks against either
hash algorithm, and when used with DSA-1K each provides 160 bits of hash.