CryptFuzzer.java

// Copyright 2023 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.apache.commons.codec.digest.Crypt;

/** This fuzzer targets the crypt methods in the Crypt class. */
public class CryptFuzzer {
  public static void fuzzerTestOneInput(FuzzedDataProvider data) {
    try {
      if (data.consumeBoolean()) {
        Crypt.crypt(data.consumeRemainingAsBytes(), null);
      } else {
        Crypt.crypt(data.consumeBytes(data.remainingBytes()), data.consumeRemainingAsString());
      }
    } catch (IllegalArgumentException e) {
      // Known exception
    }
  }
}