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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package org.chromium.net;
import android.os.Build;
import android.util.Log;
import java.security.PrivateKey;
import java.security.PrivateKey;
import java.security.Signature;
import java.security.KeyFactory;
import java.security.spec.KeySpec;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.KeyStoreException;
import java.security.spec.InvalidKeySpecException;
import java.security.NoSuchAlgorithmException;
import org.chromium.base.CalledByNative;
import org.chromium.base.JNINamespace;
import org.chromium.net.PrivateKeyType;
@JNINamespace("net::android")
public class AndroidKeyStoreTestUtil {
private static final String TAG = "AndroidKeyStoreTestUtil";
/**
* Called from native code to create a PrivateKey object from its
* encoded PKCS#8 representation.
* @param type The key type, accoding to PrivateKeyType.
* @return new PrivateKey handle, or null in case of error.
*/
@CalledByNative
public static PrivateKey createPrivateKeyFromPKCS8(int type,
byte[] encoded_key) {
String algorithm = null;
switch (type) {
case PrivateKeyType.RSA:
algorithm = "RSA";
break;
case PrivateKeyType.DSA:
algorithm = "DSA";
break;
case PrivateKeyType.ECDSA:
algorithm = "EC";
break;
default:
return null;
}
try {
KeyFactory factory = KeyFactory.getInstance(algorithm);
KeySpec ks = new PKCS8EncodedKeySpec(encoded_key);
PrivateKey key = factory.generatePrivate(ks);
return key;
} catch (NoSuchAlgorithmException e) {
Log.e(TAG, "Could not create " + algorithm + " factory instance!");
return null;
} catch (InvalidKeySpecException e) {
Log.e(TAG, "Could not load " + algorithm + " private key from bytes!");
return null;
}
}
}
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