KeyPairVerifierFuzzer.java

// Copyright 2023 the cncf-fuzzing 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.
//
///////////////////////////////////////////////////////////////////////////
import com.code_intelligence.jazzer.api.FuzzedDataProvider;
import org.keycloak.KeyPairVerifier;
import org.keycloak.common.VerificationException;

/**
  This fuzzer targets the verify method of the KeyPairVerifier
  class. It calls the verify methods with two random string.
  */
public class KeyPairVerifierFuzzer {
  public static void fuzzerTestOneInput(FuzzedDataProvider data) {
    try {
      // Retrieves two random strings from the FuzzedDataProvider object
      String str1 = data.consumeString(data.remainingBytes() / 2);
      String str2 = data.consumeRemainingAsString();

      // Call the verify method of KeyPairVerifier class
      // with the retrieved random string
      KeyPairVerifier.verify(str1, str2);
    } catch (VerificationException e) {
      // Known exception
    }
  }
}