Examples with DEROctetString org.bouncycastle.asn1.DEROctetString used on opensource projects

Example 16 with DEROctetString

use of org.bouncycastle.asn1.DEROctetString in project robovm by robovm.

the class BCECPublicKey method populateFromPubKeyInfo.

private void populateFromPubKeyInfo(SubjectPublicKeyInfo info) {
    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 = 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);
    //
    if (data[0] == 0x04 && data[1] == data.length - 2 && (data[2] == 0x02 || data[2] == 0x03)) {
        int qLength = new X9IntegerConverter().getByteLength(curve);
        if (qLength >= data.length - 3) {
            try {
                key = (ASN1OctetString) ASN1Primitive.fromByteArray(data);
            } catch (IOException ex) {
                throw new IllegalArgumentException("error recovering public key");
            }
        }
    }
    X9ECPoint derQ = new X9ECPoint(curve, key);
    this.q = derQ.getPoint();
}

Example 17 with DEROctetString

use of org.bouncycastle.asn1.DEROctetString in project robovm by robovm.

the class PublicKeyFactory method createKey.

/**
     * Create a public key from the passed in SubjectPublicKeyInfo
     * 
     * @param keyInfo the SubjectPublicKeyInfo containing the key data
     * @return the appropriate key parameter
     * @throws IOException on an error decoding the key
     */
public static AsymmetricKeyParameter createKey(SubjectPublicKeyInfo keyInfo) throws IOException {
    AlgorithmIdentifier algId = keyInfo.getAlgorithm();
    if (algId.getAlgorithm().equals(PKCSObjectIdentifiers.rsaEncryption) || algId.getAlgorithm().equals(X509ObjectIdentifiers.id_ea_rsa)) {
        RSAPublicKey pubKey = RSAPublicKey.getInstance(keyInfo.parsePublicKey());
        return new RSAKeyParameters(false, pubKey.getModulus(), pubKey.getPublicExponent());
    } else if (algId.getAlgorithm().equals(X9ObjectIdentifiers.dhpublicnumber)) {
        DHPublicKey dhPublicKey = DHPublicKey.getInstance(keyInfo.parsePublicKey());
        BigInteger y = dhPublicKey.getY().getValue();
        DHDomainParameters dhParams = DHDomainParameters.getInstance(algId.getParameters());
        BigInteger p = dhParams.getP().getValue();
        BigInteger g = dhParams.getG().getValue();
        BigInteger q = dhParams.getQ().getValue();
        BigInteger j = null;
        if (dhParams.getJ() != null) {
            j = dhParams.getJ().getValue();
        }
        DHValidationParameters validation = null;
        DHValidationParms dhValidationParms = dhParams.getValidationParms();
        if (dhValidationParms != null) {
            byte[] seed = dhValidationParms.getSeed().getBytes();
            BigInteger pgenCounter = dhValidationParms.getPgenCounter().getValue();
            // TODO Check pgenCounter size?
            validation = new DHValidationParameters(seed, pgenCounter.intValue());
        }
        return new DHPublicKeyParameters(y, new DHParameters(p, g, q, j, validation));
    } else if (algId.getAlgorithm().equals(PKCSObjectIdentifiers.dhKeyAgreement)) {
        DHParameter params = DHParameter.getInstance(algId.getParameters());
        ASN1Integer derY = (ASN1Integer) keyInfo.parsePublicKey();
        BigInteger lVal = params.getL();
        int l = lVal == null ? 0 : lVal.intValue();
        DHParameters dhParams = new DHParameters(params.getP(), params.getG(), null, l);
        return new DHPublicKeyParameters(derY.getValue(), dhParams);
    } else // END android-removed
    if (algId.getAlgorithm().equals(X9ObjectIdentifiers.id_dsa) || algId.getAlgorithm().equals(OIWObjectIdentifiers.dsaWithSHA1)) {
        ASN1Integer derY = (ASN1Integer) keyInfo.parsePublicKey();
        ASN1Encodable de = algId.getParameters();
        DSAParameters parameters = null;
        if (de != null) {
            DSAParameter params = DSAParameter.getInstance(de.toASN1Primitive());
            parameters = new DSAParameters(params.getP(), params.getQ(), params.getG());
        }
        return new DSAPublicKeyParameters(derY.getValue(), parameters);
    } else if (algId.getAlgorithm().equals(X9ObjectIdentifiers.id_ecPublicKey)) {
        X962Parameters params = new X962Parameters((ASN1Primitive) algId.getParameters());
        X9ECParameters x9;
        if (params.isNamedCurve()) {
            ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) params.getParameters();
            x9 = X962NamedCurves.getByOID(oid);
            if (x9 == null) {
                x9 = SECNamedCurves.getByOID(oid);
                if (x9 == null) {
                    x9 = NISTNamedCurves.getByOID(oid);
                // BEGIN android-removed
                // if (x9 == null)
                // {
                //     x9 = TeleTrusTNamedCurves.getByOID(oid);
                // }
                // END android-removed
                }
            }
        } else {
            x9 = X9ECParameters.getInstance(params.getParameters());
        }
        ASN1OctetString key = new DEROctetString(keyInfo.getPublicKeyData().getBytes());
        X9ECPoint derQ = new X9ECPoint(x9.getCurve(), key);
        // TODO We lose any named parameters here
        ECDomainParameters dParams = new ECDomainParameters(x9.getCurve(), x9.getG(), x9.getN(), x9.getH(), x9.getSeed());
        return new ECPublicKeyParameters(derQ.getPoint(), dParams);
    } else {
        throw new RuntimeException("algorithm identifier in key not recognised");
    }
}

Example 18 with DEROctetString

use of org.bouncycastle.asn1.DEROctetString in project wildfly by wildfly.

the class KerberosTestUtils method generateSpnegoTokenInit.

/**
     * Generates SPNEGO init token with given initial ticket and supported mechanisms.
     *
     * @param ticket initial ticket for the preferred (the first) mechanism.
     * @param supMechOids object identifiers (OIDs) of supported mechanisms for the SPNEGO.
     * @return ASN.1 encoded SPNEGO init token
     */
public static byte[] generateSpnegoTokenInit(byte[] ticket, String... supMechOids) throws IOException {
    DEROctetString ticketForPreferredMech = new DEROctetString(ticket);
    ASN1EncodableVector mechSeq = new ASN1EncodableVector();
    for (String mech : supMechOids) {
        mechSeq.add(new ASN1ObjectIdentifier(mech));
    }
    DERTaggedObject taggedMechTypes = new DERTaggedObject(0, new DERSequence(mechSeq));
    DERTaggedObject taggedMechToken = new DERTaggedObject(2, ticketForPreferredMech);
    ASN1EncodableVector v = new ASN1EncodableVector();
    v.add(taggedMechTypes);
    v.add(taggedMechToken);
    DERSequence seqNegTokenInit = new DERSequence(v);
    DERTaggedObject taggedSpnego = new DERTaggedObject(0, seqNegTokenInit);
    ASN1EncodableVector appVec = new ASN1EncodableVector();
    appVec.add(new ASN1ObjectIdentifier(OID_SPNEGO));
    appVec.add(taggedSpnego);
    DERApplicationSpecific app = new DERApplicationSpecific(0, appVec);
    return app.getEncoded();
}

Example 19 with DEROctetString

use of org.bouncycastle.asn1.DEROctetString in project XobotOS by xamarin.

the class PublicKeyFactory method createKey.

/**
     * Create a public key from the passed in SubjectPublicKeyInfo
     * 
     * @param keyInfo the SubjectPublicKeyInfo containing the key data
     * @return the appropriate key parameter
     * @throws IOException on an error decoding the key
     */
public static AsymmetricKeyParameter createKey(SubjectPublicKeyInfo keyInfo) throws IOException {
    AlgorithmIdentifier algId = keyInfo.getAlgorithmId();
    if (algId.getObjectId().equals(PKCSObjectIdentifiers.rsaEncryption) || algId.getObjectId().equals(X509ObjectIdentifiers.id_ea_rsa)) {
        RSAPublicKeyStructure pubKey = new RSAPublicKeyStructure((ASN1Sequence) keyInfo.getPublicKey());
        return new RSAKeyParameters(false, pubKey.getModulus(), pubKey.getPublicExponent());
    } else if (algId.getObjectId().equals(X9ObjectIdentifiers.dhpublicnumber)) {
        DHPublicKey dhPublicKey = DHPublicKey.getInstance(keyInfo.getPublicKey());
        BigInteger y = dhPublicKey.getY().getValue();
        DHDomainParameters dhParams = DHDomainParameters.getInstance(keyInfo.getAlgorithmId().getParameters());
        BigInteger p = dhParams.getP().getValue();
        BigInteger g = dhParams.getG().getValue();
        BigInteger q = dhParams.getQ().getValue();
        BigInteger j = null;
        if (dhParams.getJ() != null) {
            j = dhParams.getJ().getValue();
        }
        DHValidationParameters validation = null;
        DHValidationParms dhValidationParms = dhParams.getValidationParms();
        if (dhValidationParms != null) {
            byte[] seed = dhValidationParms.getSeed().getBytes();
            BigInteger pgenCounter = dhValidationParms.getPgenCounter().getValue();
            // TODO Check pgenCounter size?
            validation = new DHValidationParameters(seed, pgenCounter.intValue());
        }
        return new DHPublicKeyParameters(y, new DHParameters(p, g, q, j, validation));
    } else if (algId.getObjectId().equals(PKCSObjectIdentifiers.dhKeyAgreement)) {
        DHParameter params = new DHParameter((ASN1Sequence) keyInfo.getAlgorithmId().getParameters());
        DERInteger derY = (DERInteger) keyInfo.getPublicKey();
        BigInteger lVal = params.getL();
        int l = lVal == null ? 0 : lVal.intValue();
        DHParameters dhParams = new DHParameters(params.getP(), params.getG(), null, l);
        return new DHPublicKeyParameters(derY.getValue(), dhParams);
    } else // END android-removed
    if (algId.getObjectId().equals(X9ObjectIdentifiers.id_dsa) || algId.getObjectId().equals(OIWObjectIdentifiers.dsaWithSHA1)) {
        DERInteger derY = (DERInteger) keyInfo.getPublicKey();
        DEREncodable de = keyInfo.getAlgorithmId().getParameters();
        DSAParameters parameters = null;
        if (de != null) {
            DSAParameter params = DSAParameter.getInstance(de.getDERObject());
            parameters = new DSAParameters(params.getP(), params.getQ(), params.getG());
        }
        return new DSAPublicKeyParameters(derY.getValue(), parameters);
    } else if (algId.getObjectId().equals(X9ObjectIdentifiers.id_ecPublicKey)) {
        X962Parameters params = new X962Parameters((DERObject) keyInfo.getAlgorithmId().getParameters());
        ECDomainParameters dParams = null;
        if (params.isNamedCurve()) {
            DERObjectIdentifier oid = (DERObjectIdentifier) params.getParameters();
            X9ECParameters ecP = X962NamedCurves.getByOID(oid);
            if (ecP == null) {
                ecP = SECNamedCurves.getByOID(oid);
                if (ecP == null) {
                    ecP = NISTNamedCurves.getByOID(oid);
                // BEGIN android-removed
                // if (ecP == null)
                // {
                //     ecP = TeleTrusTNamedCurves.getByOID(oid);
                // }
                // END android-removed
                }
            }
            dParams = new ECDomainParameters(ecP.getCurve(), ecP.getG(), ecP.getN(), ecP.getH(), ecP.getSeed());
        } else {
            X9ECParameters ecP = new X9ECParameters((ASN1Sequence) params.getParameters());
            dParams = new ECDomainParameters(ecP.getCurve(), ecP.getG(), ecP.getN(), ecP.getH(), ecP.getSeed());
        }
        DERBitString bits = keyInfo.getPublicKeyData();
        byte[] data = bits.getBytes();
        ASN1OctetString key = new DEROctetString(data);
        X9ECPoint derQ = new X9ECPoint(dParams.getCurve(), key);
        return new ECPublicKeyParameters(derQ.getPoint(), dParams);
    } else {
        throw new RuntimeException("algorithm identifier in key not recognised");
    }
}

Example 20 with DEROctetString

use of org.bouncycastle.asn1.DEROctetString in project XobotOS by xamarin.

the class ASN1Dump method _dumpAsString.

/**
     * dump a DER object as a formatted string with indentation
     *
     * @param obj the DERObject to be dumped out.
     */
static void _dumpAsString(String indent, boolean verbose, DERObject obj, StringBuffer buf) {
    String nl = System.getProperty("line.separator");
    if (obj instanceof ASN1Sequence) {
        Enumeration e = ((ASN1Sequence) obj).getObjects();
        String tab = indent + TAB;
        buf.append(indent);
        if (obj instanceof BERSequence) {
            buf.append("BER Sequence");
        } else if (obj instanceof DERSequence) {
            buf.append("DER Sequence");
        } else {
            buf.append("Sequence");
        }
        buf.append(nl);
        while (e.hasMoreElements()) {
            Object o = e.nextElement();
            // BEGIN android-changed
            if (o == null || o.equals(DERNull.INSTANCE)) // END android-changed
            {
                buf.append(tab);
                buf.append("NULL");
                buf.append(nl);
            } else if (o instanceof DERObject) {
                _dumpAsString(tab, verbose, (DERObject) o, buf);
            } else {
                _dumpAsString(tab, verbose, ((DEREncodable) o).getDERObject(), buf);
            }
        }
    } else if (obj instanceof DERTaggedObject) {
        String tab = indent + TAB;
        buf.append(indent);
        if (obj instanceof BERTaggedObject) {
            buf.append("BER Tagged [");
        } else {
            buf.append("Tagged [");
        }
        DERTaggedObject o = (DERTaggedObject) obj;
        buf.append(Integer.toString(o.getTagNo()));
        buf.append(']');
        if (!o.isExplicit()) {
            buf.append(" IMPLICIT ");
        }
        buf.append(nl);
        if (o.isEmpty()) {
            buf.append(tab);
            buf.append("EMPTY");
            buf.append(nl);
        } else {
            _dumpAsString(tab, verbose, o.getObject(), buf);
        }
    } else if (obj instanceof BERSet) {
        Enumeration e = ((ASN1Set) obj).getObjects();
        String tab = indent + TAB;
        buf.append(indent);
        buf.append("BER Set");
        buf.append(nl);
        while (e.hasMoreElements()) {
            Object o = e.nextElement();
            if (o == null) {
                buf.append(tab);
                buf.append("NULL");
                buf.append(nl);
            } else if (o instanceof DERObject) {
                _dumpAsString(tab, verbose, (DERObject) o, buf);
            } else {
                _dumpAsString(tab, verbose, ((DEREncodable) o).getDERObject(), buf);
            }
        }
    } else if (obj instanceof DERSet) {
        Enumeration e = ((ASN1Set) obj).getObjects();
        String tab = indent + TAB;
        buf.append(indent);
        buf.append("DER Set");
        buf.append(nl);
        while (e.hasMoreElements()) {
            Object o = e.nextElement();
            if (o == null) {
                buf.append(tab);
                buf.append("NULL");
                buf.append(nl);
            } else if (o instanceof DERObject) {
                _dumpAsString(tab, verbose, (DERObject) o, buf);
            } else {
                _dumpAsString(tab, verbose, ((DEREncodable) o).getDERObject(), buf);
            }
        }
    } else if (obj instanceof DERObjectIdentifier) {
        buf.append(indent + "ObjectIdentifier(" + ((DERObjectIdentifier) obj).getId() + ")" + nl);
    } else if (obj instanceof DERBoolean) {
        buf.append(indent + "Boolean(" + ((DERBoolean) obj).isTrue() + ")" + nl);
    } else if (obj instanceof DERInteger) {
        buf.append(indent + "Integer(" + ((DERInteger) obj).getValue() + ")" + nl);
    } else if (obj instanceof BERConstructedOctetString) {
        ASN1OctetString oct = (ASN1OctetString) obj;
        buf.append(indent + "BER Constructed Octet String" + "[" + oct.getOctets().length + "] ");
        if (verbose) {
            buf.append(dumpBinaryDataAsString(indent, oct.getOctets()));
        } else {
            buf.append(nl);
        }
    } else if (obj instanceof DEROctetString) {
        ASN1OctetString oct = (ASN1OctetString) obj;
        buf.append(indent + "DER Octet String" + "[" + oct.getOctets().length + "] ");
        if (verbose) {
            buf.append(dumpBinaryDataAsString(indent, oct.getOctets()));
        } else {
            buf.append(nl);
        }
    } else if (obj instanceof DERBitString) {
        DERBitString bt = (DERBitString) obj;
        buf.append(indent + "DER Bit String" + "[" + bt.getBytes().length + ", " + bt.getPadBits() + "] ");
        if (verbose) {
            buf.append(dumpBinaryDataAsString(indent, bt.getBytes()));
        } else {
            buf.append(nl);
        }
    } else if (obj instanceof DERIA5String) {
        buf.append(indent + "IA5String(" + ((DERIA5String) obj).getString() + ") " + nl);
    } else if (obj instanceof DERUTF8String) {
        buf.append(indent + "UTF8String(" + ((DERUTF8String) obj).getString() + ") " + nl);
    } else if (obj instanceof DERPrintableString) {
        buf.append(indent + "PrintableString(" + ((DERPrintableString) obj).getString() + ") " + nl);
    } else if (obj instanceof DERVisibleString) {
        buf.append(indent + "VisibleString(" + ((DERVisibleString) obj).getString() + ") " + nl);
    } else if (obj instanceof DERBMPString) {
        buf.append(indent + "BMPString(" + ((DERBMPString) obj).getString() + ") " + nl);
    } else if (obj instanceof DERT61String) {
        buf.append(indent + "T61String(" + ((DERT61String) obj).getString() + ") " + nl);
    } else if (obj instanceof DERUTCTime) {
        buf.append(indent + "UTCTime(" + ((DERUTCTime) obj).getTime() + ") " + nl);
    } else if (obj instanceof DERGeneralizedTime) {
        buf.append(indent + "GeneralizedTime(" + ((DERGeneralizedTime) obj).getTime() + ") " + nl);
    } else if (obj instanceof DERUnknownTag) {
        buf.append(indent + "Unknown " + Integer.toString(((DERUnknownTag) obj).getTag(), 16) + " " + new String(Hex.encode(((DERUnknownTag) obj).getData())) + nl);
    } else if (obj instanceof BERApplicationSpecific) {
        buf.append(outputApplicationSpecific("BER", indent, verbose, obj, nl));
    } else if (obj instanceof DERApplicationSpecific) {
        buf.append(outputApplicationSpecific("DER", indent, verbose, obj, nl));
    } else if (obj instanceof DEREnumerated) {
        DEREnumerated en = (DEREnumerated) obj;
        buf.append(indent + "DER Enumerated(" + en.getValue() + ")" + nl);
    } else if (obj instanceof DERExternal) {
        DERExternal ext = (DERExternal) obj;
        buf.append(indent + "External " + nl);
        String tab = indent + TAB;
        if (ext.getDirectReference() != null) {
            buf.append(tab + "Direct Reference: " + ext.getDirectReference().getId() + nl);
        }
        if (ext.getIndirectReference() != null) {
            buf.append(tab + "Indirect Reference: " + ext.getIndirectReference().toString() + nl);
        }
        if (ext.getDataValueDescriptor() != null) {
            _dumpAsString(tab, verbose, ext.getDataValueDescriptor(), buf);
        }
        buf.append(tab + "Encoding: " + ext.getEncoding() + nl);
        _dumpAsString(tab, verbose, ext.getExternalContent(), buf);
    } else {
        buf.append(indent + obj.toString() + nl);
    }
}