Package org.bouncycastle.asn1.pkcs

Examples of org.bouncycastle.asn1.pkcs.PrivateKeyInfo

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                ecSpec.getCurve().getSeed());

            params = new X962Parameters(ecP);
        }
       
        PrivateKeyInfo          info;
        ECPrivateKeyStructure keyStructure;

        if (publicKey != null)
        {
            keyStructure = new ECPrivateKeyStructure(this.getS(), publicKey, params);
        }
        else
        {
            keyStructure = new ECPrivateKeyStructure(this.getS(), params);
        }

        try
        {
            if (algorithm.equals("ECGOST3410"))
            {
                info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, params.toASN1Primitive()), keyStructure.toASN1Primitive());
            }
            else
            {

                info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.toASN1Primitive()), keyStructure.toASN1Primitive());
            }

            return info.getEncoded(ASN1Encoding.DER);
        }
        catch (IOException e)
        {
            return null;
        }
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        {
            fail("public key conversion check failed");
        }

        PrivateKey privKey = ECKeyUtil.privateToExplicitParameters(pair.getPrivate(), "BC");
        PrivateKeyInfo privInfo = PrivateKeyInfo.getInstance(ASN1Primitive.fromByteArray(privKey.getEncoded()));
        params = X962Parameters.getInstance(privInfo.getAlgorithmId().getParameters());

        if (params.isNamedCurve() || params.isImplicitlyCA())
        {
            fail("private key conversion to explicit failed");
        }
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    {
        KeyFactory kFact = KeyFactory.getInstance("ECDSA", "BC");

        byte[] bytes = privKey.getEncoded();

        PrivateKeyInfo sInfo = PrivateKeyInfo.getInstance(new ASN1InputStream(bytes).readObject());
       
        if (!sInfo.getPrivateKeyAlgorithm().getParameters().equals(DERNull.INSTANCE))
        {
            fail("private key parameters wrong");
        }

        ECPrivateKey sKey = (ECPrivateKey)kFact.generatePrivate(new PKCS8EncodedKeySpec(bytes));
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     */
    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;
        }
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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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                ecSpec.getCurve().getSeed());

            params = new X962Parameters(ecP);
        }
       
        PrivateKeyInfo          info;
        org.bouncycastle.asn1.sec.ECPrivateKey keyStructure;

        if (publicKey != null)
        {
            keyStructure = new org.bouncycastle.asn1.sec.ECPrivateKey(this.getS(), publicKey, params);
        }
        else
        {
            keyStructure = new org.bouncycastle.asn1.sec.ECPrivateKey(this.getS(), params);
        }

        try
        {
            if (algorithm.equals("ECGOST3410"))
            {
                info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, params.toASN1Primitive()), keyStructure.toASN1Primitive());
            }
            else
            {

                info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.toASN1Primitive()), keyStructure.toASN1Primitive());
            }

            return info.getEncoded(ASN1Encoding.DER);
        }
        catch (IOException e)
        {
            return null;
        }
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     */
    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;
        }
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                ecSpec.getCurve().getSeed());

            params = new X962Parameters(ecP);
        }
       
        PrivateKeyInfo          info;
        org.bouncycastle.asn1.sec.ECPrivateKey            keyStructure;

        if (publicKey != null)
        {
            keyStructure = new org.bouncycastle.asn1.sec.ECPrivateKey(this.getS(), publicKey, params);
        }
        else
        {
            keyStructure = new org.bouncycastle.asn1.sec.ECPrivateKey(this.getS(), params);
        }

        try
        {
            if (algorithm.equals("ECGOST3410"))
            {
                info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, params.toASN1Primitive()), keyStructure.toASN1Primitive());
            }
            else
            {

                info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.toASN1Primitive()), keyStructure.toASN1Primitive());
            }

            return info.getEncoded(ASN1Encoding.DER);
        }
        catch (IOException e)
        {
            return null;
        }
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    public static PrivateKey privateToExplicitParameters(PrivateKey key, Provider provider)
        throws IllegalArgumentException, NoSuchAlgorithmException
    {
        try
        {
            PrivateKeyInfo info = PrivateKeyInfo.getInstance(ASN1Primitive.fromByteArray(key.getEncoded()));

            if (info.getAlgorithmId().getObjectId().equals(CryptoProObjectIdentifiers.gostR3410_2001))
            {
                throw new UnsupportedEncodingException("cannot convert GOST key to explicit parameters.");
            }
            else
            {
                X962Parameters params = X962Parameters.getInstance(info.getAlgorithmId().getParameters());
                X9ECParameters curveParams;

                if (params.isNamedCurve())
                {
                    ASN1ObjectIdentifier oid = ASN1ObjectIdentifier.getInstance(params.getParameters());

                    curveParams = ECUtil.getNamedCurveByOid(oid);
                    // ignore seed value due to JDK bug
                    curveParams = new X9ECParameters(curveParams.getCurve(), curveParams.getG(), curveParams.getN(), curveParams.getH());
                }
                else if (params.isImplicitlyCA())
                {
                    curveParams = new X9ECParameters(BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa().getCurve(), BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa().getG(), BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa().getN(), BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa().getH());
                }
                else
                {
                    return key;   // already explicit
                }

                params = new X962Parameters(curveParams);

                info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params), info.parsePrivateKey());

                KeyFactory keyFact = KeyFactory.getInstance(key.getAlgorithm(), provider);

                return keyFact.generatePrivate(new PKCS8EncodedKeySpec(info.getEncoded()));
            }
        }
        catch (IllegalArgumentException e)
        {
            throw e;
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    {
        if (privateKey instanceof RSAKeyParameters)
        {
            RSAPrivateCrtKeyParameters priv = (RSAPrivateCrtKeyParameters)privateKey;

            return new PrivateKeyInfo(new AlgorithmIdentifier(PKCSObjectIdentifiers.rsaEncryption, DERNull.INSTANCE), new RSAPrivateKey(priv.getModulus(), priv.getPublicExponent(), priv.getExponent(), priv.getP(), priv.getQ(), priv.getDP(), priv.getDQ(), priv.getQInv()));
        }
        else if (privateKey instanceof DSAPrivateKeyParameters)
        {
            DSAPrivateKeyParameters priv = (DSAPrivateKeyParameters)privateKey;
            DSAParameters params = priv.getParameters();

            return new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_dsa, new DSAParameter(params.getP(), params.getQ(), params.getG())), new ASN1Integer(priv.getX()));
        }
        else
        {
            throw new IOException("key parameters not recognised.");
        }
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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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