stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

7145837: a little performance improvement on the usage of SecureRandom

Browse Source 
Reviewed-by: chegar, wetmore
This commit is contained in:
Xue-Lei Andrew Fan 2012-02-15 23:45:17 -08:00
parent a1429e482e
commit 4c5ba0d841
1 changed files with 14 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
jdk/src/share/classes/sun/security/ssl/CipherSuite.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -31,6 +31,7 @@ import java.util.*;
import java.security.NoSuchAlgorithmException;
import java.security.InvalidKeyException;
import java.security.SecureRandom;
import java.security.KeyManagementException;
import javax.crypto.SecretKey;
import javax.crypto.spec.IvParameterSpec;
@ -423,6 +424,17 @@ final class CipherSuite implements Comparable<CipherSuite> {
// Is the cipher algorithm of Cipher Block Chaining (CBC) mode?
final boolean isCBCMode;
// The secure random used to detect the cipher availability.
private final static SecureRandom secureRandom;
static {
try {
secureRandom = JsseJce.getSecureRandom();
} catch (KeyManagementException kme) {
throw new RuntimeException(kme);
}
}
BulkCipher(String transformation, int keySize,
int expandedKeySize, int ivSize, boolean allowed) {
this.transformation = transformation;
@ -505,7 +517,7 @@ final class CipherSuite implements Comparable<CipherSuite> {
IvParameterSpec iv =
new IvParameterSpec(new byte[cipher.ivSize]);
cipher.newCipher(ProtocolVersion.DEFAULT,
key, iv, null, true);
key, iv, secureRandom, true);
b = Boolean.TRUE;
} catch (NoSuchAlgorithmException e) {
b = Boolean.FALSE;