[7u6] Request for approval for CR 7146728 Inconsistent length for the generated secret using DH key agreement impl from SunJCE and PKCS11

[Valerie (Yu-Ching) Peng]

Request for including fixes of 7146728 "Inconsistent length for the 
generated secret using DH key agreement impl from SunJCE and PKCS11" 
into the 7u6.
Essentially the same fixes as in JDK8 except some minor enhancement in 
comments.

Bug report:http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7146728
Reviewed by: Brad Wetmore
Webrev for 7u: http://cr.openjdk.java.net/~valeriep/7146728_7u/webrev.01/


Thanks,
Valerie