Code Review Request for 7107613, 7107616, 7185471

[Valerie (Yu-Ching) Peng]

Hi, Max or Xuelei,

Either of you have cycles to review the following 3 perf related fixes?
7107613: scalability bloker in javax.crypto.CryptoPermissions
7107616: scalability bloker in javax.crypto.JceSecurityManager
7185471: Avoid key expansion when AES cipher is re-init w/ the same key

Webrevs are at:
http://cr.openjdk.java.net/~valeriep/7107613
http://cr.openjdk.java.net/~valeriep/7107616
http://cr.openjdk.java.net/~valeriep/7185471

The changes are for JDK 8. May be backported to 7u later if necessary,
Thanks,
Valerie