private static String fileNameForBuffer(final byte[] buf) throws NoSuchAlgorithmException {
    MessageDigest md = MessageDigestFactory.create(MessageDigestFactory.SHA256_ALG);
    md.update(buf);
    byte[] digest = md.digest();
    return String.format("new-%064x.hex", new BigInteger(1, digest));
  }
Runs the fuzzer until the VM is shut down

@throws InvocationTargetException if the wrong version of jacoco is loaded
@throws IllegalAccessException if the wrong version of jacoco is loaded
@throws NoSuchAlgorithmException if our favorite hash algo is not loaded
testfuzz/src/main/java/org/hyperledger/besu/testfuzz/javafuzz/Fuzzer.java