Example usage for org.bouncycastle.openssl PEMWriter writeObject

Introduction

In this page you can find the example usage for org.bouncycastle.openssl PEMWriter writeObject.

Prototype

public void writeObject(Object obj, PEMEncryptor encryptor) throws IOException 

Source Link

Usage

From source file:com.aqnote.shared.cryptology.cert.io.PKCSTransformer.java

License:Open Source License

public static String getKeyFileString(PrivateKey privKey, char[] pwd) throws Exception {
    CircularByteBuffer cbb = new CircularByteBuffer(CircularByteBuffer.INFINITE_SIZE);
    PEMWriter pemWriter = new PEMWriter(new PrintWriter(cbb.getOutputStream()));
    cbb.getOutputStream().flush();// w ww  .jav  a  2  s . c  o m
    cbb.getOutputStream().close();
    if (pwd != null) {
        JcePEMEncryptorBuilder encryptorBuilder = new JcePEMEncryptorBuilder(DES_EDE3_CBC);
        encryptorBuilder.setProvider(JCE_PROVIDER);
        encryptorBuilder.setSecureRandom(new SecureRandom());
        pemWriter.writeObject(privKey, encryptorBuilder.build(pwd));
    } else {
        pemWriter.writeObject(privKey);
    }
    pemWriter.flush();
    pemWriter.close();
    String keyFile = StreamUtil.stream2Bytes(cbb.getInputStream(), StandardCharsets.UTF_8);
    cbb.getInputStream().close();
    cbb.clear();
    return keyFile;
}

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