Examples with ASN1Encodable org.bouncycastle.asn1.ASN1Encodable used on opensource projects

Example 16 with ASN1Encodable

use of org.bouncycastle.asn1.ASN1Encodable in project robovm by robovm.

the class DefaultSignatureAlgorithmIdentifierFinder method generate.

private static AlgorithmIdentifier generate(String signatureAlgorithm) {
    AlgorithmIdentifier sigAlgId;
    AlgorithmIdentifier encAlgId;
    AlgorithmIdentifier digAlgId;
    String algorithmName = Strings.toUpperCase(signatureAlgorithm);
    ASN1ObjectIdentifier sigOID = (ASN1ObjectIdentifier) algorithms.get(algorithmName);
    if (sigOID == null) {
        throw new IllegalArgumentException("Unknown signature type requested: " + algorithmName);
    }
    if (noParams.contains(sigOID)) {
        sigAlgId = new AlgorithmIdentifier(sigOID);
    } else if (params.containsKey(algorithmName)) {
        sigAlgId = new AlgorithmIdentifier(sigOID, (ASN1Encodable) params.get(algorithmName));
    } else {
        sigAlgId = new AlgorithmIdentifier(sigOID, DERNull.INSTANCE);
    }
    if (pkcs15RsaEncryption.contains(sigOID)) {
        encAlgId = new AlgorithmIdentifier(PKCSObjectIdentifiers.rsaEncryption, DERNull.INSTANCE);
    } else {
        encAlgId = sigAlgId;
    }
    if (sigAlgId.getAlgorithm().equals(PKCSObjectIdentifiers.id_RSASSA_PSS)) {
        digAlgId = ((RSASSAPSSparams) sigAlgId.getParameters()).getHashAlgorithm();
    } else {
        digAlgId = new AlgorithmIdentifier((ASN1ObjectIdentifier) digestOids.get(sigOID), DERNull.INSTANCE);
    }
    return sigAlgId;
}

Example 17 with ASN1Encodable

use of org.bouncycastle.asn1.ASN1Encodable in project robovm by robovm.

the class CertUtils method generateSig.

private static byte[] generateSig(ContentSigner signer, ASN1Encodable tbsObj) throws IOException {
    OutputStream sOut = signer.getOutputStream();
    DEROutputStream dOut = new DEROutputStream(sOut);
    dOut.writeObject(tbsObj);
    sOut.close();
    return signer.getSignature();
}

Example 18 with ASN1Encodable

use of org.bouncycastle.asn1.ASN1Encodable in project robovm by robovm.

the class PrivateKeyFactory method createKey.

/**
     * Create a private key parameter from the passed in PKCS8 PrivateKeyInfo object.
     * 
     * @param keyInfo the PrivateKeyInfo object containing the key material
     * @return a suitable private key parameter
     * @throws IOException on an error decoding the key
     */
public static AsymmetricKeyParameter createKey(PrivateKeyInfo keyInfo) throws IOException {
    AlgorithmIdentifier algId = keyInfo.getPrivateKeyAlgorithm();
    if (algId.getAlgorithm().equals(PKCSObjectIdentifiers.rsaEncryption)) {
        RSAPrivateKey keyStructure = RSAPrivateKey.getInstance(keyInfo.parsePrivateKey());
        return new RSAPrivateCrtKeyParameters(keyStructure.getModulus(), keyStructure.getPublicExponent(), keyStructure.getPrivateExponent(), keyStructure.getPrime1(), keyStructure.getPrime2(), keyStructure.getExponent1(), keyStructure.getExponent2(), keyStructure.getCoefficient());
    } else //      else if (algId.getObjectId().equals(X9ObjectIdentifiers.dhpublicnumber))
    if (algId.getAlgorithm().equals(PKCSObjectIdentifiers.dhKeyAgreement)) {
        DHParameter params = DHParameter.getInstance(algId.getParameters());
        ASN1Integer derX = (ASN1Integer) keyInfo.parsePrivateKey();
        BigInteger lVal = params.getL();
        int l = lVal == null ? 0 : lVal.intValue();
        DHParameters dhParams = new DHParameters(params.getP(), params.getG(), null, l);
        return new DHPrivateKeyParameters(derX.getValue(), dhParams);
    } else // END android-removed
    if (algId.getAlgorithm().equals(X9ObjectIdentifiers.id_dsa)) {
        ASN1Integer derX = (ASN1Integer) keyInfo.parsePrivateKey();
        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 DSAPrivateKeyParameters(derX.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.getInstance(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());
        }
        ECPrivateKey ec = ECPrivateKey.getInstance(keyInfo.parsePrivateKey());
        BigInteger d = ec.getKey();
        // TODO We lose any named parameters here
        ECDomainParameters dParams = new ECDomainParameters(x9.getCurve(), x9.getG(), x9.getN(), x9.getH(), x9.getSeed());
        return new ECPrivateKeyParameters(d, dParams);
    } else {
        throw new RuntimeException("algorithm identifier in key not recognised");
    }
}

Example 19 with ASN1Encodable

use of org.bouncycastle.asn1.ASN1Encodable in project robovm by robovm.

the class PKCS12BagAttributeCarrierImpl method writeObject.

public void writeObject(ObjectOutputStream out) throws IOException {
    if (pkcs12Ordering.size() == 0) {
        out.writeObject(new Hashtable());
        out.writeObject(new Vector());
    } else {
        ByteArrayOutputStream bOut = new ByteArrayOutputStream();
        ASN1OutputStream aOut = new ASN1OutputStream(bOut);
        Enumeration e = this.getBagAttributeKeys();
        while (e.hasMoreElements()) {
            DERObjectIdentifier oid = (DERObjectIdentifier) e.nextElement();
            aOut.writeObject(oid);
            aOut.writeObject((ASN1Encodable) pkcs12Attributes.get(oid));
        }
        out.writeObject(bOut.toByteArray());
    }
}

Example 20 with ASN1Encodable

use of org.bouncycastle.asn1.ASN1Encodable in project robovm by robovm.

the class BCECPublicKey method getEncoded.

public byte[] getEncoded() {
    ASN1Encodable params;
    SubjectPublicKeyInfo info;
    if (ecSpec instanceof ECNamedCurveSpec) {
        ASN1ObjectIdentifier curveOid = ECUtil.getNamedCurveOid(((ECNamedCurveSpec) ecSpec).getName());
        if (curveOid == null) {
            curveOid = new ASN1ObjectIdentifier(((ECNamedCurveSpec) ecSpec).getName());
        }
        params = new X962Parameters(curveOid);
    } else if (ecSpec == null) {
        params = new X962Parameters(DERNull.INSTANCE);
    } else {
        ECCurve curve = EC5Util.convertCurve(ecSpec.getCurve());
        X9ECParameters ecP = new X9ECParameters(curve, EC5Util.convertPoint(curve, ecSpec.getGenerator(), withCompression), ecSpec.getOrder(), BigInteger.valueOf(ecSpec.getCofactor()), ecSpec.getCurve().getSeed());
        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);
}