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/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.webkit;
import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
import org.bouncycastle.jce.netscape.NetscapeCertRequest;
import org.bouncycastle.util.encoders.Base64;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.security.Credentials;
import android.util.Log;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
class CertTool {
private static final String LOGTAG = "CertTool";
private static final AlgorithmIdentifier MD5_WITH_RSA =
new AlgorithmIdentifier(PKCSObjectIdentifiers.md5WithRSAEncryption);
static final String CERT = Credentials.CERTIFICATE;
static final String PKCS12 = Credentials.PKCS12;
static String[] getKeyStrengthList() {
return new String[] {"High Grade", "Medium Grade"};
}
static String getSignedPublicKey(Context context, int index, String challenge) {
try {
KeyPairGenerator generator = KeyPairGenerator.getInstance("RSA");
generator.initialize((index == 0) ? 2048 : 1024);
KeyPair pair = generator.genKeyPair();
NetscapeCertRequest request = new NetscapeCertRequest(challenge,
MD5_WITH_RSA, pair.getPublic());
request.sign(pair.getPrivate());
byte[] signed = request.toASN1Object().getDEREncoded();
Credentials.getInstance().install(context, pair);
return new String(Base64.encode(signed));
} catch (Exception e) {
Log.w(LOGTAG, e);
}
return null;
}
static void addCertificate(Context context, String type, byte[] value) {
Credentials.getInstance().install(context, type, value);
}
private CertTool() {}
}
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