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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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19
src/java.base/share/classes/sun/security/rsa/RSAPrivateKeyImpl.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2003, 2020, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2003, 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
@ -31,6 +31,7 @@ import java.math.BigInteger;
import java.security.*;
import java.security.spec.AlgorithmParameterSpec;
import java.security.interfaces.*;
import java.util.Arrays;
import sun.security.util.*;
import sun.security.pkcs.PKCS8Key;
@ -90,19 +91,25 @@ public final class RSAPrivateKeyImpl extends PKCS8Key implements RSAPrivateKey {
try {
// generate the key encoding
DerOutputStream out = new DerOutputStream();
byte[] nbytes = n.toByteArray();
byte[] dbytes = d.toByteArray();
DerOutputStream out = new DerOutputStream(
nbytes.length + dbytes.length + 50);
// Enough for 7 zeroes (21) and 2 tag+length(4)
out.putInteger(0); // version must be 0
out.putInteger(n);
out.putInteger(nbytes);
Arrays.fill(nbytes, (byte)0);
out.putInteger(0);
out.putInteger(d);
out.putInteger(dbytes);
Arrays.fill(dbytes, (byte)0);
out.putInteger(0);
out.putInteger(0);
out.putInteger(0);
out.putInteger(0);
out.putInteger(0);
DerValue val =
new DerValue(DerValue.tag_Sequence, out.toByteArray());
DerValue val = DerValue.wrap(DerValue.tag_Sequence, out);
key = val.toByteArray();
val.clear();
} catch (IOException exc) {
// should never occur
throw new InvalidKeyException(exc);