| /* |
| * 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 com.android.org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers; |
| import com.android.org.bouncycastle.asn1.x509.AlgorithmIdentifier; |
| import com.android.org.bouncycastle.jce.netscape.NetscapeCertRequest; |
| import com.android.org.bouncycastle.util.encoders.Base64; |
| |
| import android.content.Context; |
| import android.security.Credentials; |
| import android.security.KeyChain; |
| import android.util.Log; |
| |
| import java.security.KeyPair; |
| import java.security.KeyPairGenerator; |
| import java.util.HashMap; |
| |
| final class CertTool { |
| private static final String LOGTAG = "CertTool"; |
| |
| private static final AlgorithmIdentifier MD5_WITH_RSA = |
| new AlgorithmIdentifier(PKCSObjectIdentifiers.md5WithRSAEncryption); |
| |
| private static HashMap<String, String> sCertificateTypeMap; |
| static { |
| sCertificateTypeMap = new HashMap<String, String>(); |
| sCertificateTypeMap.put("application/x-x509-ca-cert", KeyChain.EXTRA_CERTIFICATE); |
| sCertificateTypeMap.put("application/x-x509-user-cert", KeyChain.EXTRA_CERTIFICATE); |
| sCertificateTypeMap.put("application/x-pkcs12", KeyChain.EXTRA_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); |
| } |
| |
| static String getCertType(String mimeType) { |
| return sCertificateTypeMap.get(mimeType); |
| } |
| |
| private CertTool() {} |
| } |