Type bits/keyID cr. time exp time key expir
pub (4)rsa2048/4d52e9260787e5ba 2013-06-18T04:16:51Z
uid Danping Xu <danpingxu99@gmail.com>
sig cert 4d52e9260787e5ba 2013-06-18T04:16:51Z ____________________ ____________________ [selfsig]
sig cert 277fba4cb458756d 2013-06-18T12:18:55Z ____________________ ____________________ 277fba4cb458756d