oss-fuzz/projects/bc-java/CMSEnvelopedDataParserFuzze...

74 lines
2.9 KiB
Java

// Copyright 2022 Google LLC
//
// 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.
//
////////////////////////////////////////////////////////////////////////////////
import com.code_intelligence.jazzer.api.FuzzedDataProvider;
import org.bouncycastle.cms.CMSEnvelopedDataParser;
import org.bouncycastle.cms.CMSEnvelopedDataGenerator;
import org.bouncycastle.cms.jcajce.JceKeyTransRecipientInfoGenerator;
import org.bouncycastle.cms.jcajce.JceCMSContentEncryptorBuilder;
import org.bouncycastle.cms.test.CMSTestUtil;
import org.bouncycastle.cms.CMSAlgorithm;
import org.bouncycastle.cms.CMSTypedData;
import org.bouncycastle.cms.CMSException;
import org.bouncycastle.cms.CMSProcessableByteArray;
import org.bouncycastle.cms.CMSEnvelopedData;
import org.bouncycastle.operator.OperatorCreationException;
import java.io.IOException;
import java.security.cert.X509Certificate;
import java.security.KeyPair;
import java.security.GeneralSecurityException;
import java.security.cert.CertificateEncodingException;
public class CMSEnvelopedDataParserFuzzer {
public static void fuzzerTestOneInput(FuzzedDataProvider data) {
X509Certificate _reciCert;
String _signDN = "O=Bouncy Castle, C=AU";
KeyPair _signKP = CMSTestUtil.makeKeyPair();
String _reciDN = "CN=Doug, OU=Sales, O=Bouncy Castle, C=AU";
KeyPair _reciKP = CMSTestUtil.makeKeyPair();
try{
_reciCert = CMSTestUtil.makeCertificate(_reciKP, _reciDN, _signKP, _signDN);
}
catch(GeneralSecurityException | IOException | OperatorCreationException e){
return;
}
try{
CMSTypedData msg = new CMSProcessableByteArray(data.consumeRemainingAsBytes());
CMSEnvelopedDataGenerator edGen = new CMSEnvelopedDataGenerator();
try{
edGen.addRecipientInfoGenerator(new JceKeyTransRecipientInfoGenerator(_reciCert).setProvider("BC")) ;
}
catch(CertificateEncodingException e){
return;
}
CMSEnvelopedData ed = edGen.generate(
msg,
new JceCMSContentEncryptorBuilder(CMSAlgorithm.DES_EDE3_CBC)
.setProvider("BC").build());
CMSEnvelopedDataParser cedp = new CMSEnvelopedDataParser(ed.getEncoded());
cedp.getEncryptionAlgParams();
}
catch (CMSException | IOException e){
return;
}
}
}