8181692: Update storage implementations

Reviewed-by: weijun, igerasim
This commit is contained in:
Vinnie Ryan 2017-07-05 17:27:46 +01:00
parent e4945e6c66
commit 47efefa42f
3 changed files with 106 additions and 42 deletions

View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1998, 2017, 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
@ -38,6 +38,7 @@ import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.UnrecoverableKeyException;
import java.security.AlgorithmParameters;
import java.security.spec.InvalidParameterSpecException;
import java.security.spec.PKCS8EncodedKeySpec;
import javax.crypto.Cipher;
@ -74,6 +75,8 @@ final class KeyProtector {
// keys in the keystore implementation that comes with JDK 1.2)
private static final String KEY_PROTECTOR_OID = "1.3.6.1.4.1.42.2.17.1.1";
private static final int MAX_ITERATION_COUNT = 5000000;
private static final int ITERATION_COUNT = 200000;
private static final int SALT_LEN = 20; // the salt length
private static final int DIGEST_LEN = 20;
@ -100,7 +103,7 @@ final class KeyProtector {
SunJCE.getRandom().nextBytes(salt);
// create PBE parameters from salt and iteration count
PBEParameterSpec pbeSpec = new PBEParameterSpec(salt, 20);
PBEParameterSpec pbeSpec = new PBEParameterSpec(salt, ITERATION_COUNT);
// create PBE key from password
PBEKeySpec pbeKeySpec = new PBEKeySpec(this.password);
@ -155,6 +158,9 @@ final class KeyProtector {
pbeParams.init(encodedParams);
PBEParameterSpec pbeSpec =
pbeParams.getParameterSpec(PBEParameterSpec.class);
if (pbeSpec.getIterationCount() > MAX_ITERATION_COUNT) {
throw new IOException("PBE iteration count too large");
}
// create PBE key from password
PBEKeySpec pbeKeySpec = new PBEKeySpec(this.password);
@ -285,7 +291,7 @@ final class KeyProtector {
SunJCE.getRandom().nextBytes(salt);
// create PBE parameters from salt and iteration count
PBEParameterSpec pbeSpec = new PBEParameterSpec(salt, 20);
PBEParameterSpec pbeSpec = new PBEParameterSpec(salt, ITERATION_COUNT);
// create PBE key from password
PBEKeySpec pbeKeySpec = new PBEKeySpec(this.password);
@ -326,6 +332,15 @@ final class KeyProtector {
throw new UnrecoverableKeyException("Cannot get " +
"algorithm parameters");
}
PBEParameterSpec pbeSpec;
try {
pbeSpec = params.getParameterSpec(PBEParameterSpec.class);
} catch (InvalidParameterSpecException ipse) {
throw new IOException("Invalid PBE algorithm parameters");
}
if (pbeSpec.getIterationCount() > MAX_ITERATION_COUNT) {
throw new IOException("PBE iteration count too large");
}
PBEWithMD5AndTripleDESCipher cipherSpi;
cipherSpi = new PBEWithMD5AndTripleDESCipher();
Cipher cipher = new CipherForKeyProtector(cipherSpi,

View file

@ -284,7 +284,7 @@ final class PBES1Core {
for (i=0; i<2; i++) {
byte tmp = salt[i];
salt[i] = salt[3-i];
salt[3-1] = tmp;
salt[3-i] = tmp;
}
}