Package org.bouncycastle.asn1.pkcs

Examples of org.bouncycastle.asn1.pkcs.PrivateKeyInfo

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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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            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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    protected static PrivateKey createPrivateKeyFromDERStream(
        byte[]         in)
        throws IOException
    {
        return createPrivateKeyFromPrivateKeyInfo(
            new PrivateKeyInfo((ASN1Sequence) ASN1Object.fromByteArray(in)));
    }
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                ecSpec.getCurve().getSeed());

            params = new X962Parameters(ecP);
        }
       
        PrivateKeyInfo          info;
       
        if (algorithm.equals("ECGOST3410"))
        {
            info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, params.getDERObject()), new ECPrivateKeyStructure(this.getS()).getDERObject());
        }
        else
        {
            info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), new ECPrivateKeyStructure(this.getS()).getDERObject());
        }

        return info.getDEREncoded();
    }
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    static PrivateKey createPrivateKeyFromDERStream(
        byte[]         in)
        throws IOException
    {
        return createPrivateKeyFromPrivateKeyInfo(
                new PrivateKeyInfo((ASN1Sequence)(new ASN1InputStream(in).readObject())));
    }
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                                            ecSpec.getCurve().getSeed());
           
            params = new X962Parameters(ecP);
        }
       
        PrivateKeyInfo          info;
       
        if (algorithm.equals("ECGOST3410"))
        {
            info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, params.getDERObject()), new ECPrivateKeyStructure(this.getS()).getDERObject());
        }
        else
        {
            info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), new ECPrivateKeyStructure(this.getS()).getDERObject());
        }

        return info.getDEREncoded();
    }
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        throws CMSException, NoSuchProviderException
    {
        try
        {
            OriginatorPublicKey origK = _info.getOriginator().getOriginatorKey();
            PrivateKeyInfo privInfo = PrivateKeyInfo.getInstance(ASN1Object.fromByteArray(key.getEncoded()));
            SubjectPublicKeyInfo pubInfo = new SubjectPublicKeyInfo(privInfo.getAlgorithmId(), origK.getPublicKey().getBytes());
            X509EncodedKeySpec pubSpec = new X509EncodedKeySpec(pubInfo.getEncoded());
            KeyFactory fact = KeyFactory.getInstance(_keyEncAlg.getObjectId().getId(), prov);
            KeyAgreement agreement = KeyAgreement.getInstance(_keyEncAlg.getObjectId().getId(), prov);
                           
            agreement.init(key);
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     *
     * @return a PKCS8 representation of the key.
     */
    public byte[] getEncoded()
    {
        PrivateKeyInfo          info;
        byte[]                  keyEnc = this.getX().toByteArray();
        byte[]                  keyBytes;

        if (keyEnc[0] == 0)
        {
            keyBytes = new byte[keyEnc.length - 1];
        }
        else
        {
            keyBytes = new byte[keyEnc.length];
        }
       
        for (int i = 0; i != keyBytes.length; i++)
        {
            keyBytes[i] = keyEnc[keyEnc.length - 1 - i]; // must be little endian
        }
       
        if (gost3410Spec instanceof GOST3410ParameterSpec)
        {
            info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_94, new GOST3410PublicKeyAlgParameters(new DERObjectIdentifier(gost3410Spec.getPublicKeyParamSetOID()), new DERObjectIdentifier(gost3410Spec.getDigestParamSetOID())).getDERObject()), new DEROctetString(keyBytes));
        }
        else
        {
            info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_94), new DEROctetString(keyBytes));
        }
       
        return info.getDEREncoded();
    }
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    {
        KeyFactory kFact = KeyFactory.getInstance("ECDSA", "BC");

        byte[] bytes = privKey.getEncoded();

        PrivateKeyInfo sInfo = PrivateKeyInfo.getInstance(new ASN1InputStream(bytes).readObject());

        if (!sInfo.getAlgorithmId().getParameters().equals(DERNull.INSTANCE))
        {
            fail("private key parameters wrong");
        }

        ECPrivateKey sKey = (ECPrivateKey)kFact.generatePrivate(new PKCS8EncodedKeySpec(bytes));
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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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