org.bouncycastle.openssl.jcajce.JcaMiscPEMGenerator.java Source code

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Here is the source code for org.bouncycastle.openssl.jcajce.JcaMiscPEMGenerator.java

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package org.bouncycastle.openssl.jcajce;

import java.io.IOException;
import java.security.Key;
import java.security.KeyPair;
import java.security.PrivateKey;
import java.security.Provider;
import java.security.PublicKey;
import java.security.SecureRandom;
import java.security.cert.CRLException;
import java.security.cert.CertificateEncodingException;
import java.security.cert.X509CRL;
import java.security.cert.X509Certificate;

import org.bouncycastle.asn1.pkcs.PrivateKeyInfo;
import org.bouncycastle.asn1.x509.SubjectPublicKeyInfo;
import org.bouncycastle.cert.jcajce.JcaX509CRLHolder;
import org.bouncycastle.cert.jcajce.JcaX509CertificateHolder;
import org.bouncycastle.openssl.MiscPEMGenerator;
import org.bouncycastle.openssl.PEMEncryptor;

/**
 * PEM generator for the original set of PEM objects used in Open SSL.
 */
public class JcaMiscPEMGenerator extends MiscPEMGenerator {
    private Object obj;
    private String algorithm;
    private char[] password;
    private SecureRandom random;
    private Provider provider;

    public JcaMiscPEMGenerator(Object o) throws IOException {
        super(convertObject(o));
    }

    public JcaMiscPEMGenerator(Object o, PEMEncryptor encryptor) throws IOException {
        super(convertObject(o), encryptor);
    }

    private static Object convertObject(Object o) throws IOException {
        if (o instanceof X509Certificate) {
            try {
                return new JcaX509CertificateHolder((X509Certificate) o);
            } catch (CertificateEncodingException e) {
                throw new IllegalArgumentException("Cannot encode object: " + e.toString());
            }
        } else if (o instanceof X509CRL) {
            try {
                return new JcaX509CRLHolder((X509CRL) o);
            } catch (CRLException e) {
                throw new IllegalArgumentException("Cannot encode object: " + e.toString());
            }
        } else if (o instanceof KeyPair) {
            return convertObject(((KeyPair) o).getPrivate());
        } else if (o instanceof PrivateKey) {
            return PrivateKeyInfo.getInstance(((Key) o).getEncoded());
        } else if (o instanceof PublicKey) {
            return SubjectPublicKeyInfo.getInstance(((PublicKey) o).getEncoded());
        }

        return o;
    }
}