used in the key creation function, bug 121281, r=ftang, sr=sfraser. git-svn-id: svn://10.0.0.236/trunk@114315 18797224-902f-48f8-a5cc-f745e15eee43
used in the key creation function, bug 121281, r=ftang, sr=sfraser. git-svn-id: svn://10.0.0.236/trunk@114315 18797224-902f-48f8-a5cc-f745e15eee43