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8258915: Temporary buffer cleanup

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Reviewed-by: valeriep
This commit is contained in:
Weijun Wang 2021-04-22 18:11:43 +00:00
parent 31d8a19e47
commit f834557ae0
79 changed files with 1517 additions and 1039 deletions
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12
src/java.base/share/classes/sun/security/provider/HashDrbg.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2016, 2020, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2016, 2021, 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
@ -254,15 +254,15 @@ public class HashDrbg extends AbstractHashDrbg {
int len = output.length;
while (len > 0) {
// Step 4.1 w = Hash (data).
digest.update(data);
if (len < outLen) {
// Step 4.1 w = Hash (data).
// Step 4.2 W = W || w.
System.arraycopy(digest.digest(data), 0, output, pos,
len);
byte[] out = digest.digest();
System.arraycopy(out, 0, output, pos, len);
Arrays.fill(out, (byte)0);
} else {
try {
// Step 4.1 w = Hash (data).
digest.update(data);
// Step 4.2 digest into right position, no need to cat
digest.digest(output, pos, outLen);
} catch (DigestException e) {