Java PrivateKeyInfo.getEncoded方法代碼示例

import org.bouncycastle.asn1.pkcs.PrivateKeyInfo; //導入方法依賴的package包/類
/**
 * <p>
 * Encode (serialise) a private key in order to store it or transport it over a network.
 * </p><p>
 * <b>Important: You should keep your private key secret!</b> Thus, you might want to encrypt the result before
 * storing it to a file or sending it somewhere!
 * </p>
 * @param privateKey the private key to be encoded; must not be <code>null</code>.
 * @return the encoded (serialised) form of the private key. Can be passed to {@link #decodePrivateKey(byte[])} to
 * reverse this method.
 * @see #decodePrivateKey(byte[])
 * @see #encodePublicKey(CipherParameters)
 */
public byte[] encodePrivateKey(final CipherParameters privateKey)
{
	if (privateKey == null)
		throw new IllegalArgumentException("privateKey == null");

	// TODO use a class-based map or similar registry!
	try {
		if (privateKey instanceof RSAPrivateCrtKeyParameters) {
			final RSAPrivateCrtKeyParameters rsaPrivateKey = (RSAPrivateCrtKeyParameters) privateKey;

			final PrivateKeyInfo info = new PrivateKeyInfo(
					new AlgorithmIdentifier(PKCSObjectIdentifiers.rsaEncryption, DERNull.INSTANCE),
					new RSAPrivateKey(
							rsaPrivateKey.getModulus(), rsaPrivateKey.getPublicExponent(), rsaPrivateKey.getExponent(),
							rsaPrivateKey.getP(), rsaPrivateKey.getQ(), rsaPrivateKey.getDP(),
							rsaPrivateKey.getDQ(), rsaPrivateKey.getQInv()).toASN1Primitive()
					);
			return info.getEncoded();
		}
	} catch (final IOException x) {
		throw new RuntimeException(x);
	}

	throw new UnsupportedOperationException("privateKey.class=\"" + privateKey.getClass().getName() + "\" not yet supported!");
}
 

import org.bouncycastle.asn1.pkcs.PrivateKeyInfo; //導入方法依賴的package包/類
/**
 * Return a PKCS8 representation of the key. The sequence returned
 * represents a full PrivateKeyInfo object.
 *
 * @return a PKCS8 representation of the key.
 */
public byte[] getEncoded()
{
    try
    {
        PrivateKeyInfo          info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_dsa, new DSAParameter(dsaSpec.getP(), dsaSpec.getQ(), dsaSpec.getG())), new DERInteger(getX()));

        return info.getEncoded(ASN1Encoding.DER);
    }
    catch (IOException e)
    {
        return null;
    }
}
 

import org.bouncycastle.asn1.pkcs.PrivateKeyInfo; //導入方法依賴的package包/類
public static byte[] getEncodedPrivateKeyInfo(PrivateKeyInfo info)
{
     try
     {
         return info.getEncoded(ASN1Encoding.DER);
     }
     catch (Exception e)
     {
         return null;
     }
}
 

import org.bouncycastle.asn1.pkcs.PrivateKeyInfo; //導入方法依賴的package包/類
/**
 * Return a PKCS8 representation of the key. The sequence returned
 * represents a full PrivateKeyInfo object.
 *
 * @return a PKCS8 representation of the key.
 */
public byte[] getEncoded()
{
    try
    {
        PrivateKeyInfo          info = new PrivateKeyInfo(new AlgorithmIdentifier(OIWObjectIdentifiers.elGamalAlgorithm, new ElGamalParameter(elSpec.getP(), elSpec.getG())), new DERInteger(getX()));

        return info.getEncoded(ASN1Encoding.DER);
    }
    catch (IOException e)
    {
        return null;
    }
}
 

import org.bouncycastle.asn1.pkcs.PrivateKeyInfo; //導入方法依賴的package包/類
private PemObject generate(PrivateKeyInfo key, OutputEncryptor encryptor)
    throws PemGenerationException
{
    try
    {
        byte[] keyData = key.getEncoded();

        if (encryptor == null)
        {
            return new PemObject("PRIVATE KEY", keyData);
        }

        ByteArrayOutputStream bOut = new ByteArrayOutputStream();

        OutputStream cOut = encryptor.getOutputStream(bOut);

        cOut.write(key.getEncoded());

        cOut.close();

        EncryptedPrivateKeyInfo info = new EncryptedPrivateKeyInfo(encryptor.getAlgorithmIdentifier(), bOut.toByteArray());

        return new PemObject("ENCRYPTED PRIVATE KEY", info.getEncoded());
    }
    catch (IOException e)
    {
        throw new PemGenerationException("unable to process encoded key data: " + e.getMessage(), e);
    }
}
 

import org.bouncycastle.asn1.pkcs.PrivateKeyInfo; //導入方法依賴的package包/類
/**
 * Return a PKCS8 representation of the key. The sequence returned
 * represents a full PrivateKeyInfo object.
 *
 * @return a PKCS8 representation of the key.
 */
public byte[] getEncoded()
{
    try
    {
        PrivateKeyInfo          info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_dsa, new DSAParameter(dsaSpec.getP(), dsaSpec.getQ(), dsaSpec.getG())), new ASN1Integer(getX()));

        return info.getEncoded(ASN1Encoding.DER);
    }
    catch (IOException e)
    {
        return null;
    }
}
 

import org.bouncycastle.asn1.pkcs.PrivateKeyInfo; //導入方法依賴的package包/類
/**
 * Return a PKCS8 representation of the key. The sequence returned
 * represents a full PrivateKeyInfo object.
 *
 * @return a PKCS8 representation of the key.
 */
public byte[] getEncoded()
{
    try
    {
        PrivateKeyInfo          info = new PrivateKeyInfo(new AlgorithmIdentifier(OIWObjectIdentifiers.elGamalAlgorithm, new ElGamalParameter(elSpec.getP(), elSpec.getG())), new ASN1Integer(getX()));

        return info.getEncoded(ASN1Encoding.DER);
    }
    catch (IOException e)
    {
        return null;
    }
}