DigitallySignedFuzzer.java

/*
 * Copyright 2023 The Sigstore Authors.
 *
 * 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 fuzzing;

import com.code_intelligence.jazzer.api.FuzzedDataProvider;
import dev.sigstore.encryption.certificates.transparency.DigitallySigned;
import dev.sigstore.encryption.certificates.transparency.SerializationException;

public class DigitallySignedFuzzer {
  public static void fuzzerTestOneInput(FuzzedDataProvider data) {
    try {
      byte[] byteArray = data.consumeRemainingAsBytes();

      DigitallySigned object = DigitallySigned.decode(byteArray);

      object.getHashAlgorithm();
      object.getSignatureAlgorithm();
      object.getSignature();
      object.getAlgorithm();
    } catch (IllegalArgumentException | SerializationException e) {
      // known exceptions
    }
  }
}