Package org.bouncycastle.asn1

Examples of org.bouncycastle.asn1.ASN1OctetString

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                                        ecP.getSeed());
        }

        DERBitString    bits = info.getPublicKeyData();
        byte[]          data = bits.getBytes();
    ASN1OctetString  key = new DEROctetString(data);

        //
        // extra octet string - one of our old certs...
        //
        if (data[0] == 0x04 && data[1] == data.length - 2
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                                            ecSpec.getH(),
                                            ecSpec.getSeed());
            params = new X962Parameters(ecP);
        }

        ASN1OctetString    p = (ASN1OctetString)(new X9ECPoint(this.getQ()).getDERObject());

        SubjectPublicKeyInfo info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), p.getOctets());

        try
        {
            dOut.writeObject(info);
            dOut.close();
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        throws AnnotatedException
    {
        try
        {
            ASN1InputStream aIn = new ASN1InputStream(ext);
            ASN1OctetString octs = (ASN1OctetString)aIn.readObject();

            aIn = new ASN1InputStream(octs.getOctets());
            return aIn.readObject();
        }
        catch (Exception e)
        {
            throw new AnnotatedException("exception processing extension " + oid, e);
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            byte[] _octBytes = trustedCert.getExtensionValue("2.5.29.30");
            if (_octBytes != null)
            {
                ASN1InputStream _ais = new ASN1InputStream(
                        new ByteArrayInputStream(_octBytes));
                ASN1OctetString _oct = ASN1OctetString.getInstance(_ais
                        .readObject());
                _ais.close();
                _ncBytes = _oct.getOctets();
            }

            trustedSet.add(new TrustAnchor(trustedCert, _ncBytes));
            testCount = 0;
            testFail = new Vector();
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    private BigInteger[] decode(
        byte[] encoding)
        throws IOException
    {
        ASN1OctetString octetString = (ASN1OctetString)ASN1OctetString.fromByteArray(encoding);
        encoding = octetString.getOctets();

        byte[] r = new byte[encoding.length / 2];
        byte[] s = new byte[encoding.length / 2];

        System.arraycopy(encoding, 0, s, 0, encoding.length / 2);
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    private void populateFromPubKeyInfo(SubjectPublicKeyInfo info)
    {
        if (info.getAlgorithmId().getObjectId().equals(CryptoProObjectIdentifiers.gostR3410_2001))
        {
            DERBitString bits = info.getPublicKeyData();
            ASN1OctetString key;
            this.algorithm = "ECGOST3410";

            try
            {
                key = (ASN1OctetString) ASN1Primitive.fromByteArray(bits.getBytes());
            }
            catch (IOException ex)
            {
                throw new IllegalArgumentException("error recovering public key");
            }

            byte[]          keyEnc = key.getOctets();
            byte[]          x = new byte[32];
            byte[]          y = new byte[32];

            for (int i = 0; i != x.length; i++)
            {
                x[i] = keyEnc[32 - 1 - i];
            }

            for (int i = 0; i != y.length; i++)
            {
                y[i] = keyEnc[64 - 1 - i];
            }

            gostParams = new GOST3410PublicKeyAlgParameters((ASN1Sequence)info.getAlgorithmId().getParameters());

            ECNamedCurveParameterSpec spec = ECGOST3410NamedCurveTable.getParameterSpec(ECGOST3410NamedCurves.getName(gostParams.getPublicKeyParamSet()));

            ECCurve curve = spec.getCurve();
            EllipticCurve ellipticCurve = EC5Util.convertCurve(curve, spec.getSeed());

            this.q = curve.createPoint(new BigInteger(1, x), new BigInteger(1, y), false);

            ecSpec = new ECNamedCurveSpec(
                    ECGOST3410NamedCurves.getName(gostParams.getPublicKeyParamSet()),
                    ellipticCurve,
                    new ECPoint(
                            spec.getG().getX().toBigInteger(),
                            spec.getG().getY().toBigInteger()),
                            spec.getN(), spec.getH());

        }
        else
        {
            X962Parameters params = new X962Parameters((ASN1Primitive)info.getAlgorithmId().getParameters());
            ECCurve                 curve;
            EllipticCurve           ellipticCurve;

            if (params.isNamedCurve())
            {
                ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier)params.getParameters();
                X9ECParameters ecP = ECUtil.getNamedCurveByOid(oid);

                curve = ecP.getCurve();
                ellipticCurve = EC5Util.convertCurve(curve, ecP.getSeed());

                ecSpec = new ECNamedCurveSpec(
                        ECUtil.getCurveName(oid),
                        ellipticCurve,
                        new ECPoint(
                                ecP.getG().getX().toBigInteger(),
                                ecP.getG().getY().toBigInteger()),
                        ecP.getN(),
                        ecP.getH());
            }
            else if (params.isImplicitlyCA())
            {
                ecSpec = null;
                curve = BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa().getCurve();
            }
            else
            {
                X9ECParameters          ecP = X9ECParameters.getInstance(params.getParameters());

                curve = ecP.getCurve();
                ellipticCurve = EC5Util.convertCurve(curve, ecP.getSeed());

                this.ecSpec = new ECParameterSpec(
                        ellipticCurve,
                        new ECPoint(
                                ecP.getG().getX().toBigInteger(),
                                ecP.getG().getY().toBigInteger()),
                        ecP.getN(),
                        ecP.getH().intValue());
            }

            DERBitString    bits = info.getPublicKeyData();
            byte[]          data = bits.getBytes();
            ASN1OctetString key = new DEROctetString(data);

            //
            // extra octet string - one of our old certs...
            //
            if (data[0] == 0x04 && data[1] == data.length - 2
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                params = new X962Parameters(ecP);
            }

            ECCurve curve = this.engineGetQ().getCurve();
            ASN1OctetString p = (ASN1OctetString)
                new X9ECPoint(curve.createPoint(this.getQ().getX().toBigInteger(), this.getQ().getY().toBigInteger(), withCompression)).toASN1Primitive();

            info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params), p.getOctets());
        }

        return KeyUtil.getEncodedSubjectPublicKeyInfo(info);
    }
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        // check that we don't have a DER encoded octet string
        //
        if ((params.length % 8) != 0
            && params[0] == 0x04 && params[1] == params.length - 2)
        {
            ASN1OctetString oct = (ASN1OctetString)ASN1Primitive.fromByteArray(params);

            params = oct.getOctets();
        }

        this.iv = Arrays.clone(params);
    }
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    {
        if (isASN1FormatString(format))
        {
            try
            {
                ASN1OctetString oct = (ASN1OctetString)ASN1Primitive.fromByteArray(params);

                engineInit(oct.getOctets());
            }
            catch (Exception e)
            {
                throw new IOException("Exception decoding: " + e);
            }
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    private void populateFromPubKeyInfo(SubjectPublicKeyInfo info)
    {
        if (info.getAlgorithm().getAlgorithm().equals(CryptoProObjectIdentifiers.gostR3410_2001))
        {
            DERBitString bits = info.getPublicKeyData();
            ASN1OctetString key;
            this.algorithm = "ECGOST3410";

            try
            {
                key = (ASN1OctetString) ASN1Primitive.fromByteArray(bits.getBytes());
            }
            catch (IOException ex)
            {
                throw new IllegalArgumentException("error recovering public key");
            }

            byte[]          keyEnc = key.getOctets();
            byte[]          x = new byte[32];
            byte[]          y = new byte[32];

            for (int i = 0; i != x.length; i++)
            {
                x[i] = keyEnc[32 - 1 - i];
            }

            for (int i = 0; i != y.length; i++)
            {
                y[i] = keyEnc[64 - 1 - i];
            }

            gostParams = new GOST3410PublicKeyAlgParameters((ASN1Sequence)info.getAlgorithm().getParameters());

            ECNamedCurveParameterSpec spec = ECGOST3410NamedCurveTable.getParameterSpec(ECGOST3410NamedCurves.getName(gostParams.getPublicKeyParamSet()));

            ECCurve curve = spec.getCurve();
            EllipticCurve ellipticCurve = EC5Util.convertCurve(curve, spec.getSeed());

            this.q = curve.createPoint(new BigInteger(1, x), new BigInteger(1, y), false);

            ecSpec = new ECNamedCurveSpec(
                    ECGOST3410NamedCurves.getName(gostParams.getPublicKeyParamSet()),
                    ellipticCurve,
                    new ECPoint(
                            spec.getG().getX().toBigInteger(),
                            spec.getG().getY().toBigInteger()),
                            spec.getN(), spec.getH());

        }
        else
        {
            X962Parameters params = new X962Parameters((ASN1Primitive)info.getAlgorithm().getParameters());
            ECCurve                 curve;
            EllipticCurve           ellipticCurve;

            if (params.isNamedCurve())
            {
                ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier)params.getParameters();
                X9ECParameters ecP = ECUtil.getNamedCurveByOid(oid);

                curve = ecP.getCurve();
                ellipticCurve = EC5Util.convertCurve(curve, ecP.getSeed());

                ecSpec = new ECNamedCurveSpec(
                        ECUtil.getCurveName(oid),
                        ellipticCurve,
                        new ECPoint(
                                ecP.getG().getX().toBigInteger(),
                                ecP.getG().getY().toBigInteger()),
                        ecP.getN(),
                        ecP.getH());
            }
            else if (params.isImplicitlyCA())
            {
                ecSpec = null;
                curve = BouncyCastleProvider.CONFIGURATION.getEcImplicitlyCa().getCurve();
            }
            else
            {
                X9ECParameters          ecP = X9ECParameters.getInstance(params.getParameters());

                curve = ecP.getCurve();
                ellipticCurve = EC5Util.convertCurve(curve, ecP.getSeed());

                this.ecSpec = new ECParameterSpec(
                        ellipticCurve,
                        new ECPoint(
                                ecP.getG().getX().toBigInteger(),
                                ecP.getG().getY().toBigInteger()),
                        ecP.getN(),
                        ecP.getH().intValue());
            }

            DERBitString    bits = info.getPublicKeyData();
            byte[]          data = bits.getBytes();
            ASN1OctetString key = new DEROctetString(data);

            //
            // extra octet string - one of our old certs...
            //
            if (data[0] == 0x04 && data[1] == data.length - 2
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Related Classes of org.bouncycastle.asn1.ASN1OctetString

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  • codec.pkcs8.EncryptedPrivateKeyInfo
  • codec.pkcs8.PrivateKeyInfo
  • codec.x509.extensions.CertHashExtension
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