Package org.bouncycastle.asn1.pkcs

Examples of org.bouncycastle.asn1.pkcs.PrivateKeyInfo

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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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    {
        if (keySpec instanceof PKCS8EncodedKeySpec)
        {
            try
            {
                PrivateKeyInfo info = PrivateKeyInfo.getInstance(((PKCS8EncodedKeySpec)keySpec).getEncoded());
                PrivateKey     key = BouncyCastleProvider.getPrivateKey(info);

                if (key != null)
                {
                    return key;
                }

                throw new InvalidKeySpecException("no factory found for OID: " + info.getPrivateKeyAlgorithm().getAlgorithm());
            }
            catch (Exception e)
            {
                throw new InvalidKeySpecException(e.toString());
            }
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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
        }

        try
        {
            if (gost3410Spec instanceof GOST3410ParameterSpec)
            {
                info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_94, new GOST3410PublicKeyAlgParameters(new ASN1ObjectIdentifier(gost3410Spec.getPublicKeyParamSetOID()), new ASN1ObjectIdentifier(gost3410Spec.getDigestParamSetOID()))), new DEROctetString(keyBytes));
            }
            else
            {
                info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_94), new DEROctetString(keyBytes));
            }

            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("DSTU4145"))
            {
                info = new PrivateKeyInfo(new AlgorithmIdentifier(UAObjectIdentifiers.dstu4145be, 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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        {
            // get the DER-encoded Key according to PKCS#8 from the spec
            byte[] encKey = ((PKCS8EncodedKeySpec)keySpec).getEncoded();

            // decode the PKCS#8 data structure to the pki object
            PrivateKeyInfo pki;

            try
            {
                pki = PrivateKeyInfo.getInstance(ASN1Primitive.fromByteArray(encKey));
            }
            catch (IOException e)
            {
                throw new InvalidKeySpecException("Unable to decode PKCS8EncodedKeySpec: " + e);
            }

            try
            {
                // get the inner type inside the BIT STRING
                ASN1Primitive innerType = pki.parsePrivateKey().toASN1Primitive();

                // build and return the actual key
                ASN1Sequence privKey = (ASN1Sequence)innerType;

                // decode oidString (but we don't need it right now)
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        {
            // get the DER-encoded Key according to PKCS#8 from the spec
            byte[] encKey = ((PKCS8EncodedKeySpec)keySpec).getEncoded();

            // decode the PKCS#8 data structure to the pki object
            PrivateKeyInfo pki;

            try
            {
                pki = PrivateKeyInfo.getInstance(ASN1Primitive.fromByteArray(encKey));
            }
            catch (IOException e)
            {
                throw new InvalidKeySpecException("Unable to decode PKCS8EncodedKeySpec: " + e);
            }

            try
            {
                ASN1Primitive innerType = pki.parsePrivateKey().toASN1Primitive();

                // build and return the actual key
                ASN1Sequence privKey = (ASN1Sequence)innerType;

                // decode oidString (but we don't need it right now)
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     * @return the key data to encode in the SubjectPublicKeyInfo structure
     */
    public byte[] getEncoded()
    {
        McEliecePrivateKey privateKey = new McEliecePrivateKey(new ASN1ObjectIdentifier(oid), n, k, field, goppaPoly, sInv, p1, p2, h, qInv);
        PrivateKeyInfo pki;
        try
        {
            AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(this.getOID(), DERNull.INSTANCE);
            pki = new PrivateKeyInfo(algorithmIdentifier, privateKey);
        }
        catch (IOException e)
        {
            e.printStackTrace();
            return null;
        }
        try
        {
            byte[] encoded = pki.getEncoded();
            return encoded;
        }
        catch (IOException e)
        {
            e.printStackTrace();
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    static PrivateKey createPrivateKeyFromDERStream(
        byte[]         in)
        throws IOException
    {
        return createPrivateKeyFromPrivateKeyInfo(
            new PrivateKeyInfo((ASN1Sequence) ASN1Object.fromByteArray(in)));
    }
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     *
     * @return a PKCS8 representation of the key.
     */
    public byte[] getEncoded()
    {
        PrivateKeyInfo          info = new PrivateKeyInfo(new AlgorithmIdentifier(PKCSObjectIdentifiers.rsaEncryption, new DERNull()), new RSAPrivateKeyStructure(getModulus(), getPublicExponent(), getPrivateExponent(), getPrimeP(), getPrimeQ(), getPrimeExponentP(), getPrimeExponentQ(), getCrtCoefficient()).getDERObject());

        return info.getDEREncoded();
    }
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     *
     * @return a PKCS8 representation of the key.
     */
    public byte[] getEncoded()
    {
        PrivateKeyInfo          info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_dsa, new DSAParameter(dsaSpec.getP(), dsaSpec.getQ(), dsaSpec.getG()).getDERObject()), new DERInteger(getX()));

        return info.getDEREncoded();
    }
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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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