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