[CentOS] Where is gpg-agent?

Sat Jan 26 19:05:55 UTC 2008
Anne Wilson <cannewilson at googlemail.com>

The only obstacle now to running this box as the mail server is that I do read 
and send mail on it occasionally, while working on something.  I need 
gpg-agent, but can't find how to get it.  Is it merged into another package, 
or do I simply have to look at other repositories?

Anne