Package org.bouncycastle.asn1.pkcs

Examples of org.bouncycastle.asn1.pkcs.PrivateKeyInfo

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  // convert PKCS#8 format to PKCS#1.
  private byte[] convert8to1(byte[] data) throws Exception {
    log.debug("SOTProxyCreateServlet::convert8to1() start.");

    DERObject keyInfo = SOTSignOnToolUtil.toDERObject(data);
    PrivateKeyInfo pkey = new PrivateKeyInfo(
        (DERConstructedSequence) keyInfo);
    // new PrivateKeyInfo((DERSequence)keyInfo);
    DERObject derKey = pkey.getPrivateKey();

    return SOTSignOnToolUtil.toByteArray(derKey);
  }
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    static PrivateKey createPrivateKeyFromDERStream(
        InputStream         in)
        throws IOException
    {
        return createPrivateKeyFromPrivateKeyInfo(
                new PrivateKeyInfo((ASN1Sequence)(new ASN1InputStream(in).readObject())));
    }
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        else if (o instanceof PrivateKey)
        {
            ByteArrayInputStream    bIn = new ByteArrayInputStream(((Key)o).getEncoded());
            ASN1InputStream         aIn = new ASN1InputStream(bIn);
           
            PrivateKeyInfo          info = new PrivateKeyInfo((ASN1Sequence)aIn.readObject());
            ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
            ASN1OutputStream        aOut = new ASN1OutputStream(bOut);
           
            if (o instanceof RSAPrivateKey)
            {
                type = "RSA PRIVATE KEY";
               
                aOut.writeObject(info.getPrivateKey());
            }
            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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            //
            RSAPrivateKeyStructure privStruct;
   
            try
            {
                privStruct = new RSAPrivateKeyStructure((ASN1Sequence)(new PrivateKeyInfo((ASN1Sequence)dIn.readObject()).getPrivateKey()));
            }
            catch (Exception e)
            {
                return new SimpleTestResult(false, getName() + ": exception - " + e.toString());
            }
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        //
        X962Parameters          params = new X962Parameters(X9ObjectIdentifiers.prime192v1);

        ASN1OctetString         p = (ASN1OctetString)(new X9ECPoint(new ECPoint.Fp(ecP.getCurve(), new ECFieldElement.Fp(BigInteger.valueOf(2), BigInteger.valueOf(1)), new ECFieldElement.Fp(BigInteger.valueOf(4), BigInteger.valueOf(3)))).getDERObject());

        PrivateKeyInfo          info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params), new ECPrivateKeyStructure(BigInteger.valueOf(10)).getDERObject());

        if (!isSameAs(info.getEncoded(), namedPriv))
        {
            return new SimpleTestResult(false, getName() + ": failed private named generation");
        }
       
        ASN1InputStream         aIn = new ASN1InputStream(new ByteArrayInputStream(namedPriv));
        DERObject               o = aIn.readObject();
       
        if (!info.equals(o))
        {
            return new SimpleTestResult(false, getName() + ": failed private named equality");
        }
       
        //
        // explicit curve parameters
        //
        params = new X962Parameters(ecP);
       
        info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params), new ECPrivateKeyStructure(BigInteger.valueOf(20)).toASN1Object());

        if (!isSameAs(info.getEncoded(), expPriv))
        {
            return new SimpleTestResult(false, getName() + ": failed private explicit generation");
        }
       
        aIn = new ASN1InputStream(new ByteArrayInputStream(expPriv));
        o = aIn.readObject();
       
        if (!info.equals(o))
        {
            return new SimpleTestResult(false, getName() + ": failed private explicit equality");
        }
       
        return new SimpleTestResult(true, getName() + ": Okay");
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    public static PrivateKey privateToExplicitParameters(PrivateKey key, Provider provider)
        throws IllegalArgumentException, NoSuchAlgorithmException
    {
        try
        {
            PrivateKeyInfo info = PrivateKeyInfo.getInstance(ASN1Object.fromByteArray(key.getEncoded()));

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

                if (params.isNamedCurve())
                {
                    DERObjectIdentifier oid = (DERObjectIdentifier)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(ProviderUtil.getEcImplicitlyCa().getCurve(), ProviderUtil.getEcImplicitlyCa().getG(), ProviderUtil.getEcImplicitlyCa().getN(), ProviderUtil.getEcImplicitlyCa().getH());
                }
                else
                {
                    return key;   // already explicit
                }

                params = new X962Parameters(curveParams);

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

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

                return keyFact.generatePrivate(new PKCS8EncodedKeySpec(info.getEncoded()));
            }
        }
        catch (IllegalArgumentException e)
        {
            throw e;
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        }
        else if (type.equals("ECDSA"))
        {
            ECPrivateKeyStructure pKey = new ECPrivateKeyStructure(seq);
            AlgorithmIdentifier   algId = new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, pKey.getParameters());
            PrivateKeyInfo        privInfo = new PrivateKeyInfo(algId, pKey.getDERObject());
            SubjectPublicKeyInfo  pubInfo = new SubjectPublicKeyInfo(algId, pKey.getPublicKey().getBytes());

            privSpec = new PKCS8EncodedKeySpec(privInfo.getEncoded());
            pubSpec = new X509EncodedKeySpec(pubInfo.getEncoded());
        }
        else    // "DSA"
        {
//            DERInteger              v = (DERInteger)seq.getObjectAt(0);
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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);
        }

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

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

        return info.getDEREncoded();
    }
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     *
     * @return a PKCS8 representation of the key.
     */
    public byte[] getEncoded()
    {
        PrivateKeyInfo          info = new PrivateKeyInfo(new AlgorithmIdentifier(OIWObjectIdentifiers.elGamalAlgorithm, new ElGamalParameter(elSpec.getP(), elSpec.getG()).getDERObject()), new DERInteger(getX()));

        return info.getDEREncoded();
    }
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                                            p.getH(),
                                            p.getSeed());
            params = new X962Parameters(ecP);
        }

        PrivateKeyInfo          info;
       
        if (algorithm.equals("ECGOST3410"))
        {
            info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, params.getDERObject()), new ECPrivateKeyStructure(this.getD()).getDERObject());
        }
        else
        {
            info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), new ECPrivateKeyStructure(this.getD()).getDERObject());
        }
       
        try
        {
            dOut.writeObject(info);
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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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