Examples with Asn1Integer com.android.hotspot2.asn1.Asn1Integer used on opensource projects

Example 21 with Asn1Integer

use of com.android.hotspot2.asn1.Asn1Integer in project robovm by robovm.

the class PKIXCertPath method getEncoded.

/**
     * Returns the encoded form of this certification path, using
     * the specified encoding.
     *
     * @param encoding the name of the encoding to use
     * @return the encoded bytes
     * @exception java.security.cert.CertificateEncodingException if an encoding error
     * occurs or the encoding requested is not supported
     *
     **/
public byte[] getEncoded(String encoding) throws CertificateEncodingException {
    if (encoding.equalsIgnoreCase("PkiPath")) {
        ASN1EncodableVector v = new ASN1EncodableVector();
        ListIterator iter = certificates.listIterator(certificates.size());
        while (iter.hasPrevious()) {
            v.add(toASN1Object((X509Certificate) iter.previous()));
        }
        return toDEREncoded(new DERSequence(v));
    } else if (encoding.equalsIgnoreCase("PKCS7")) {
        ContentInfo encInfo = new ContentInfo(PKCSObjectIdentifiers.data, null);
        ASN1EncodableVector v = new ASN1EncodableVector();
        for (int i = 0; i != certificates.size(); i++) {
            v.add(toASN1Object((X509Certificate) certificates.get(i)));
        }
        SignedData sd = new SignedData(new ASN1Integer(1), new DERSet(), encInfo, new DERSet(v), null, new DERSet());
        return toDEREncoded(new ContentInfo(PKCSObjectIdentifiers.signedData, sd));
    } else // BEGIN android-removed
    // else if (encoding.equalsIgnoreCase("PEM"))
    // {
    //     ByteArrayOutputStream bOut = new ByteArrayOutputStream();
    //     PemWriter pWrt = new PemWriter(new OutputStreamWriter(bOut));
    //
    //     try
    //     {
    //         for (int i = 0; i != certificates.size(); i++)
    //         {
    //             pWrt.writeObject(new PemObject("CERTIFICATE", ((X509Certificate)certificates.get(i)).getEncoded()));
    //         }
    //
    //         pWrt.close();
    //     }
    //     catch (Exception e)
    //     {
    //         throw new CertificateEncodingException("can't encode certificate for PEM encoded path");
    //     }
    //
    //     return bOut.toByteArray();
    // }
    // END android-removed
    {
        throw new CertificateEncodingException("unsupported encoding: " + encoding);
    }
}

Example 22 with Asn1Integer

use of com.android.hotspot2.asn1.Asn1Integer 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 23 with Asn1Integer

use of com.android.hotspot2.asn1.Asn1Integer in project robovm by robovm.

the class BCDHPublicKey method isPKCSParam.

private boolean isPKCSParam(ASN1Sequence seq) {
    if (seq.size() == 2) {
        return true;
    }
    if (seq.size() > 3) {
        return false;
    }
    ASN1Integer l = ASN1Integer.getInstance(seq.getObjectAt(2));
    ASN1Integer p = ASN1Integer.getInstance(seq.getObjectAt(0));
    if (l.getValue().compareTo(BigInteger.valueOf(p.getValue().bitLength())) > 0) {
        return false;
    }
    return true;
}

Example 24 with Asn1Integer

use of com.android.hotspot2.asn1.Asn1Integer in project robovm by robovm.

the class X9ECParameters method toASN1Primitive.

/**
     * Produce an object suitable for an ASN1OutputStream.
     * <pre>
     *  ECParameters ::= SEQUENCE {
     *      version         INTEGER { ecpVer1(1) } (ecpVer1),
     *      fieldID         FieldID {{FieldTypes}},
     *      curve           X9Curve,
     *      base            X9ECPoint,
     *      order           INTEGER,
     *      cofactor        INTEGER OPTIONAL
     *  }
     * </pre>
     */
public ASN1Primitive toASN1Primitive() {
    ASN1EncodableVector v = new ASN1EncodableVector();
    v.add(new ASN1Integer(1));
    v.add(fieldID);
    v.add(new X9Curve(curve, seed));
    v.add(new X9ECPoint(g));
    v.add(new ASN1Integer(n));
    if (h != null) {
        v.add(new ASN1Integer(h));
    }
    return new DERSequence(v);
}

Example 25 with Asn1Integer

use of com.android.hotspot2.asn1.Asn1Integer in project robovm by robovm.

the class RSAPublicKeyStructure method toASN1Primitive.

/**
     * This outputs the key in PKCS1v2 format.
     * <pre>
     *      RSAPublicKey ::= SEQUENCE {
     *                          modulus INTEGER, -- n
     *                          publicExponent INTEGER, -- e
     *                      }
     * </pre>
     * <p>
     */
public ASN1Primitive toASN1Primitive() {
    ASN1EncodableVector v = new ASN1EncodableVector();
    v.add(new ASN1Integer(getModulus()));
    v.add(new ASN1Integer(getPublicExponent()));
    return new DERSequence(v);
}