hg: jdk/sandbox: 8217344: Make comparison overflow-aware in ECDHKeyAgreement.engineGenerateSecret()

[chris.hegarty at oracle.com]

Changeset: bc1de01b3e78
Author:    igerasim
Date:      2019-01-18 15:44 -0800
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/bc1de01b3e78

8217344: Make comparison overflow-aware in ECDHKeyAgreement.engineGenerateSecret()
Reviewed-by: apetcher

! src/jdk.crypto.ec/share/classes/sun/security/ec/ECDHKeyAgreement.java
! src/jdk.crypto.ec/share/classes/sun/security/ec/ECDSASignature.java