Package org.bouncycastle2.asn1.pkcs

Examples of org.bouncycastle2.asn1.pkcs.PrivateKeyInfo

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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()));
                v.add(new DERInteger(p.getG()));
               
                BigInteger x = ((DSAPrivateKey)o).getX();
                BigInteger y = p.getG().modPow(x, p.getP());
               
                v.add(new DERInteger(y));
                v.add(new DERInteger(x));

                encoding = new DERSequence(v).getEncoded();
            }
            else if (((PrivateKey)o).getAlgorithm().equals("ECDSA"))
            {
                type = "EC PRIVATE KEY";

                encoding = info.getPrivateKey().getEncoded();
            }
            else
            {
                throw new IOException("Cannot identify private key");
            }
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        }
        else if (obj instanceof PrivateKey && "ECDSA".equals(((PrivateKey)obj).getAlgorithm()))
        {
            type = "EC PRIVATE KEY";

            PrivateKeyInfo      privInfo = PrivateKeyInfo.getInstance(ASN1Object.fromByteArray(((PrivateKey)obj).getEncoded()));

            keyData = privInfo.getPrivateKey().getEncoded();
        }

        if (type == null || keyData == null)
        {
            // TODO Support other types?
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        params.put("SHA512WITHRSAANDMGF1", creatPSSParams(sha512AlgId, 64));
    }

    private static RSASSAPSSparams creatPSSParams(AlgorithmIdentifier hashAlgId, int saltSize)
    {
        return new RSASSAPSSparams(
            hashAlgId,
            new AlgorithmIdentifier(PKCSObjectIdentifiers.id_mgf1, hashAlgId),
            new DERInteger(saltSize),
            new DERInteger(1));
    }
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        if (params != null && !DERNull.INSTANCE.equals(params))
        {
            if (sigAlgId.getObjectId().equals(PKCSObjectIdentifiers.id_RSASSA_PSS))
            {
                RSASSAPSSparams rsaParams = RSASSAPSSparams.getInstance(params);
                return getDigestAlgName(rsaParams.getHashAlgorithm().getObjectId()) + "withRSAandMGF1";
            }
        }

        return sigAlgId.getObjectId().getId();
    }
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            this.d = derD.getValue();
        }
        else
        {
            ECPrivateKeyStructure ec = new ECPrivateKeyStructure((ASN1Sequence)info.getPrivateKey());

            this.d = ec.getKey();
            this.publicKey = ec.getPublicKey();
        }
    }
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            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 "X.509";
    }

    public byte[] getEncoded()
    {
        SubjectPublicKeyInfo    info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(OIWObjectIdentifiers.elGamalAlgorithm, new ElGamalParameter(elSpec.getP(), elSpec.getG()).getDERObject()), new DERInteger(y));

        return info.getDEREncoded();
    }
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    private static RSASSAPSSparams creatPSSParams(AlgorithmIdentifier hashAlgId, int saltSize)
    {
        return new RSASSAPSSparams(
            hashAlgId,
            new AlgorithmIdentifier(PKCSObjectIdentifiers.id_mgf1, hashAlgId),
            new DERInteger(saltSize),
            new DERInteger(1));
    }
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            throw new IllegalArgumentException("public key must not be null");
        }

        if (noParams.contains(sigOID))
        {
            this.sigAlgId = new AlgorithmIdentifier(sigOID);
        }
        else if (params.containsKey(algorithmName))
        {
            this.sigAlgId = new AlgorithmIdentifier(sigOID, (DEREncodable)params.get(algorithmName));
        }
        else
        {
            this.sigAlgId = new AlgorithmIdentifier(sigOID, null);
        }

        try
        {
            ASN1Sequence seq = (ASN1Sequence)ASN1Object.fromByteArray(key.getEncoded());
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        throws NoSuchAlgorithmException, NoSuchProviderException,
                InvalidKeyException
    {
        SubjectPublicKeyInfo    subjectPKInfo = reqInfo.getSubjectPublicKeyInfo();
        X509EncodedKeySpec      xspec = new X509EncodedKeySpec(new DERBitString(subjectPKInfo).getBytes());
        AlgorithmIdentifier     keyAlg = subjectPKInfo.getAlgorithmId();
       
        try
        {
            try
            {
                if (provider == null)
                {
                    return KeyFactory.getInstance(keyAlg.getObjectId().getId()).generatePublic(xspec);
                }
                else
                {
                    return KeyFactory.getInstance(keyAlg.getObjectId().getId(), provider).generatePublic(xspec);
                }
            }
            catch (NoSuchAlgorithmException e)
            {
                //
                // try an alternate
                //
                if (keyAlgorithms.get(keyAlg.getObjectId()) != null)
                {
                    String  keyAlgorithm = (String)keyAlgorithms.get(keyAlg.getObjectId());
                   
                    if (provider == null)
                    {
                        return KeyFactory.getInstance(keyAlgorithm).generatePublic(xspec);
                    }
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Related Classes of org.bouncycastle2.asn1.pkcs.PrivateKeyInfo

  • org.bouncycastle2.asn1.ASN1EncodableVector
  • org.bouncycastle2.asn1.ASN1InputStream
  • org.bouncycastle2.asn1.ASN1Sequence
  • org.bouncycastle2.asn1.ASN1TaggedObject
  • org.bouncycastle2.asn1.BERSequence
  • org.bouncycastle2.asn1.BERTaggedObject
  • org.bouncycastle2.asn1.cms.ContentInfo
  • org.bouncycastle2.asn1.DERBitString
  • org.bouncycastle2.asn1.DERBoolean
  • org.bouncycastle2.asn1.DERIA5String
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