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7142339: PKCS7.java is needlessly creating SHA1PRNG SecureRandom instances when timestamping is not done

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Reviewed-by: xuelei, wetmore
This commit is contained in:
Vinnie Ryan 2012-02-13 14:26:25 +00:00
parent c750a3e42c
commit 7c7523d968
1 changed files with 14 additions and 11 deletions
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11
jdk/src/share/classes/sun/security/pkcs/PKCS7.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1996, 2011, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1996, 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
@ -72,8 +72,10 @@ public class PKCS7 {
/*
* Random number generator for creating nonce values
* (Lazy initialization)
*/
private static final SecureRandom RANDOM;
private static class SecureRandomHolder {
static final SecureRandom RANDOM;
static {
SecureRandom tmp = null;
try {
@ -83,6 +85,7 @@ public class PKCS7 {
}
RANDOM = tmp;
}
}
/*
* Object identifier for the timestamping key purpose.
@ -862,8 +865,8 @@ public class PKCS7 {
// Generate a nonce
BigInteger nonce = null;
if (RANDOM != null) {
nonce = new BigInteger(64, RANDOM);
if (SecureRandomHolder.RANDOM != null) {
nonce = new BigInteger(64, SecureRandomHolder.RANDOM);
tsQuery.setNonce(nonce);
}
tsQuery.requestCertificate(true);