Package org.bouncycastle.asn1.pkcs

Examples of org.bouncycastle.asn1.pkcs.PrivateKeyInfo

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    {
        try
        {
            ECPrivateKeyStructure pKey = new ECPrivateKeyStructure((ASN1Sequence)ASN1Object.fromByteArray(readBytes(endMarker)));
            AlgorithmIdentifier   algId = new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, pKey.getParameters());
            PrivateKeyInfo        privInfo = new PrivateKeyInfo(algId, pKey.getDERObject());
            SubjectPublicKeyInfo  pubInfo = new SubjectPublicKeyInfo(algId, pKey.getPublicKey().getBytes());
            PKCS8EncodedKeySpec   privSpec = new PKCS8EncodedKeySpec(privInfo.getEncoded());
            X509EncodedKeySpec    pubSpec = new X509EncodedKeySpec(pubInfo.getEncoded());
            KeyFactory            fact = KeyFactory.getInstance("EC", provider);

            return new KeyPair(fact.generatePublic(pubSpec), fact.generatePrivate(privSpec));
        }
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    static PrivateKey createPrivateKeyFromDERStream(
        byte[]         in)
        throws IOException
    {
        return createPrivateKeyFromPrivateKeyInfo(
                new PrivateKeyInfo((ASN1Sequence)(new ASN1InputStream(in).readObject())));
    }
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            writeObject(((KeyPair)o).getPrivate());
            return;
        }
        else if (o instanceof PrivateKey)
        {
            PrivateKeyInfo info = new PrivateKeyInfo(
                (ASN1Sequence) ASN1Object.fromByteArray(((Key)o).getEncoded()));

            if (o instanceof RSAPrivateKey)
            {
                type = "RSA PRIVATE KEY";

                encoding = info.getPrivateKey().getEncoded();
            }
            else if (o instanceof DSAPrivateKey)
            {
                type = "DSA PRIVATE KEY";
               
                DSAParameter        p = DSAParameter.getInstance(info.getAlgorithmId().getParameters());
                ASN1EncodableVector v = new ASN1EncodableVector();
               
                v.add(new DERInteger(0));
                v.add(new DERInteger(p.getP()));
                v.add(new DERInteger(p.getQ()));
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    {
        try
        {
            ECPrivateKeyStructure pKey = new ECPrivateKeyStructure((ASN1Sequence)ASN1Object.fromByteArray(readBytes(endMarker)));
            AlgorithmIdentifier   algId = new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, pKey.getParameters());
            PrivateKeyInfo        privInfo = new PrivateKeyInfo(algId, pKey.getDERObject());
            SubjectPublicKeyInfo  pubInfo = new SubjectPublicKeyInfo(algId, pKey.getPublicKey().getBytes());
            PKCS8EncodedKeySpec   privSpec = new PKCS8EncodedKeySpec(privInfo.getEncoded());
            X509EncodedKeySpec    pubSpec = new X509EncodedKeySpec(pubInfo.getEncoded());
            KeyFactory            fact = KeyFactory.getInstance("ECDSA", provider);

            return new KeyPair(fact.generatePublic(pubSpec), fact.generatePrivate(privSpec));
        }
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            } else if (line.indexOf(BEF_G + PEM_STRING_ECPRIVATEKEY) != -1) {
                throw new IOException("EC private key not supported");
            } else if (line.indexOf(BEF_G + PEM_STRING_PKCS8INF) != -1) {
                try {
                    byte[] bytes = readBytes(_in, BEF_E + PEM_STRING_PKCS8INF);
                    PrivateKeyInfo info = new PrivateKeyInfo((ASN1Sequence) new ASN1InputStream(bytes).readObject());
                    String type = getPrivateKeyTypeFromObjectId(info.getAlgorithmId().getObjectId());
                    return org.jruby.ext.openssl.impl.PKey.readPrivateKey(info.getPrivateKey().getDEREncoded(), type);
                } catch (Exception e) {
                    throw new IOException("problem creating private key: " + e.toString());
                }
            } else if (line.indexOf(BEF_G + PEM_STRING_PKCS8) != -1) {
                try {
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        }
    }

    public static void writeDSAPrivateKey(Writer _out, DSAPrivateKey obj, CipherSpec cipher, char[] passwd) throws IOException {
        BufferedWriter out = makeBuffered(_out);
        PrivateKeyInfo info = new PrivateKeyInfo((ASN1Sequence) new ASN1InputStream(getEncoded(obj)).readObject());
        ByteArrayOutputStream bOut = new ByteArrayOutputStream();
        ASN1OutputStream aOut = new ASN1OutputStream(bOut);

        DSAParameter p = DSAParameter.getInstance(info.getAlgorithmId().getParameters());
        ASN1EncodableVector v = new ASN1EncodableVector();
        v.add(new DERInteger(0));
        v.add(new DERInteger(p.getP()));
        v.add(new DERInteger(p.getQ()));
        v.add(new DERInteger(p.getG()));
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            if (info != null)
            {
                return info.getEncoded(ASN1Encoding.DER);
            }

            PrivateKeyInfo          info = new PrivateKeyInfo(new AlgorithmIdentifier(PKCSObjectIdentifiers.dhKeyAgreement, new DHParameter(dhSpec.getP(), dhSpec.getG(), dhSpec.getL()).toASN1Primitive()), new ASN1Integer(getX()));

            return info.getEncoded(ASN1Encoding.DER);
        }
        catch (Exception e)
        {
            return null;
        }
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    public static byte[] getEncodedPrivateKeyInfo(AlgorithmIdentifier algId, ASN1Encodable privKey)
    {
         try
         {
             PrivateKeyInfo info = new PrivateKeyInfo(algId, privKey.toASN1Primitive());

             return getEncodedPrivateKeyInfo(info);
         }
         catch (Exception e)
         {
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                 * The caller doesn't know the algorithm as it is part of
                 * the encrypted data.
                 */
            try
            {
                PrivateKeyInfo       in = PrivateKeyInfo.getInstance(encoded);

                PrivateKey privKey = BouncyCastleProvider.getPrivateKey(in);

                if (privKey != null)
                {
                    return privKey;
                }
                else
                {
                    throw new InvalidKeyException("algorithm " + in.getPrivateKeyAlgorithm().getAlgorithm() + " not supported");
                }
            }
            catch (Exception e)
            {
                throw new InvalidKeyException("Invalid key encoding.");
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            /*
             * Now it's in a PKCS#8 PrivateKeyInfo structure. Read its Algorithm
             * OID and use that to construct a KeyFactory.
             */
            ASN1InputStream bIn = new ASN1InputStream(new ByteArrayInputStream(spec.getEncoded()));
            PrivateKeyInfo pki = PrivateKeyInfo.getInstance(bIn.readObject());
            String algOid = pki.getPrivateKeyAlgorithm().getAlgorithm().getId();

            return KeyFactory.getInstance(algOid).generatePrivate(spec);
        } finally {
            input.close();
        }
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Related Classes of org.bouncycastle.asn1.pkcs.PrivateKeyInfo

  • org.apache.geronimo.crypto.jce.provider.JCERSAPrivateCrtKey
  • org.apache.geronimo.util.asn1.ASN1EncodableVector
  • org.apache.geronimo.util.asn1.ASN1InputStream
  • org.apache.geronimo.util.asn1.DERInteger
  • org.apache.geronimo.util.asn1.DEROctetString
  • org.apache.geronimo.util.asn1.DERSequence
  • org.apache.geronimo.util.asn1.DERTaggedObject
  • org.apache.geronimo.util.asn1.x509.AlgorithmIdentifier
  • org.apache.geronimo.util.jce.provider.JCEDHPrivateKey
  • org.apache.geronimo.util.jce.provider.JCERSAPrivateCrtKey
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