Perhaps you're interested in recent memory attacks that I've been researching. 


pub   1024D/CF722608 2005-03-18 [expires: 2008-05-01]
      Key fingerprint = 70A1 173A B091 08E4 35DF  4940 9828 9445 CF72 2608
      uid                  Jacob Appelbaum 
      sub   4096g/2DD88E10 2005-03-18 [expires: 2008-05-01]