Package org.bouncycastle.sasn1

Examples of org.bouncycastle.sasn1.Asn1OctetString

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        seq = new DERSequence(v);
    }

    public BigInteger getKey()
    {
        ASN1OctetString octs = (ASN1OctetString)seq.getObjectAt(1);

        return new BigInteger(1, octs.getOctets());
    }
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                }
            }
        }
        else if (obj instanceof ASN1OctetString)
        {
            ASN1OctetString oct = (ASN1OctetString)obj;

            if (obj instanceof BEROctetString || obj instanceof  BERConstructedOctetString)
            {
                buf.append(indent + "BER Constructed Octet String" + "[" + oct.getOctets().length + "] ");
            }
            else
            {
                buf.append(indent + "DER Octet String" + "[" + oct.getOctets().length + "] ");
            }
            if (verbose)
            {
                buf.append(dumpBinaryDataAsString(indent, oct.getOctets()));
            }
            else
            {
                buf.append(nl);
            }
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    private void populateFromPubKeyInfo(SubjectPublicKeyInfo info)
    {
        if (info.getAlgorithm().getAlgorithm().equals(UAObjectIdentifiers.dstu4145be) || info.getAlgorithm().getAlgorithm().equals(UAObjectIdentifiers.dstu4145le))
        {
            DERBitString bits = info.getPublicKeyData();
            ASN1OctetString key;
            this.algorithm = "DSTU4145";

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

            byte[] keyEnc = key.getOctets();

            if (info.getAlgorithm().getAlgorithm().equals(UAObjectIdentifiers.dstu4145le))
            {
                reverseBytes(keyEnc);
            }

            dstuParams = DSTU4145Params.getInstance((ASN1Sequence)info.getAlgorithm().getParameters());

            //ECNamedCurveParameterSpec spec = ECGOST3410NamedCurveTable.getParameterSpec(ECGOST3410NamedCurves.getName(gostParams.getPublicKeyParamSet()));
            org.bouncycastle.jce.spec.ECParameterSpec spec = null;
            if (dstuParams.isNamedCurve())
            {
                ASN1ObjectIdentifier curveOid = dstuParams.getNamedCurve();
                ECDomainParameters ecP = DSTU4145NamedCurves.getByOID(curveOid);

                spec = new ECNamedCurveParameterSpec(curveOid.getId(), ecP.getCurve(), ecP.getG(), ecP.getN(), ecP.getH(), ecP.getSeed());
            }
            else
            {
                DSTU4145ECBinary binary = dstuParams.getECBinary();
                byte[] b_bytes = binary.getB();
                if (info.getAlgorithm().getAlgorithm().equals(UAObjectIdentifiers.dstu4145le))
                {
                    reverseBytes(b_bytes);
                }
                DSTU4145BinaryField field = binary.getField();
                ECCurve curve = new ECCurve.F2m(field.getM(), field.getK1(), field.getK2(), field.getK3(), binary.getA(), new BigInteger(1, b_bytes));
                byte[] g_bytes = binary.getG();
                if (info.getAlgorithm().getAlgorithm().equals(UAObjectIdentifiers.dstu4145le))
                {
                    reverseBytes(g_bytes);
                }
                spec = new org.bouncycastle.jce.spec.ECParameterSpec(curve, DSTU4145PointEncoder.decodePoint(curve, g_bytes), binary.getN());
            }

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

            //this.q = curve.createPoint(new BigInteger(1, x), new BigInteger(1, y), false);
            this.q = DSTU4145PointEncoder.decodePoint(curve, keyEnc);

            if (dstuParams.isNamedCurve())
            {
                ecSpec = new ECNamedCurveSpec(
                    dstuParams.getNamedCurve().getId(),
                    ellipticCurve,
                    new ECPoint(
                        spec.getG().getX().toBigInteger(),
                        spec.getG().getY().toBigInteger()),
                    spec.getN(), spec.getH());
            }
            else
            {
                ecSpec = new ECParameterSpec(
                    ellipticCurve,
                    new ECPoint(
                        spec.getG().getX().toBigInteger(),
                        spec.getG().getY().toBigInteger()),
                    spec.getN(), spec.getH().intValue());
            }

        }
        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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                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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                    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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                byte[]                  ext = certificate.getExtensionValue(X509Extensions.SubjectKeyIdentifier.getId());
               
                if (ext != null)
                {
                    ASN1OctetString     str = (ASN1OctetString)X509ExtensionUtil.fromExtensionValue(ext);
               
                    return (ASN1Sequence)new AuthorityKeyIdentifier(
                                    str.getOctets(), new GeneralNames(genName), certificate.getSerialNumber()).toASN1Object();
                }
                else
                {
                    SubjectPublicKeyInfo info = new SubjectPublicKeyInfo(
                            (ASN1Sequence)new ASN1InputStream(certificate.getPublicKey().getEncoded()).readObject());
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        String oid,
        byte[] enc)
        throws IOException
    {
        ByteArrayInputStream     bIn = new ByteArrayInputStream(enc);
        Asn1InputStream          aIn = new Asn1InputStream(bIn);

        Asn1ObjectIdentifier      o = new Asn1ObjectIdentifier(oid);
        Asn1ObjectIdentifier      encO = (Asn1ObjectIdentifier)aIn.readObject();
       
        if (!o.equals(encO))
        {
            fail("oid ID didn't match - got: " + o + " expected " + encO);
        }
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        String  oid)
        throws IOException
    {
        Asn1ObjectIdentifier    o = new Asn1ObjectIdentifier(oid);
        ByteArrayInputStream    bIn = new ByteArrayInputStream(o.getEncoded());
        Asn1InputStream         aIn = new Asn1InputStream(bIn);
       
        o = (Asn1ObjectIdentifier)aIn.readObject();
       
        if (!o.toString().equals(oid))
        {
            fail("failed oid check for " + oid);
        }
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    }
   
    public void testDerReading()
        throws Exception
    {
        Asn1InputStream aIn = new Asn1InputStream(seqData);
       
        Asn1Sequence    seq = (Asn1Sequence)aIn.readObject();
        Object          o = null;
        int             count = 0;
       
        assertNotNull("null sequence returned", seq);
       
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