Examples with DEROctetString com.github.zhenwei.core.asn1.DEROctetString used on opensource projects

Example 56 with DEROctetString

use of com.github.zhenwei.core.asn1.DEROctetString in project LinLong-Java by zhenwei1108.

the class DefaultAuthenticatedAttributeTableGenerator method createStandardAttributeTable.

/**
 * Create a standard attribute table from the passed in parameters - this will normally include
 * contentType and messageDigest. If the constructor using an AttributeTable was used, entries in
 * it for contentType and messageDigest will override the generated ones.
 *
 * @param parameters source parameters for table generation.
 * @return a filled in Hashtable of attributes.
 */
protected Hashtable createStandardAttributeTable(Map parameters) {
    Hashtable std = new Hashtable();
    for (Enumeration en = table.keys(); en.hasMoreElements(); ) {
        Object key = en.nextElement();
        std.put(key, table.get(key));
    }
    if (!std.containsKey(CMSAttributes.contentType)) {
        ASN1ObjectIdentifier contentType = ASN1ObjectIdentifier.getInstance(parameters.get(CMSAttributeTableGenerator.CONTENT_TYPE));
        Attribute attr = new Attribute(CMSAttributes.contentType, new DERSet(contentType));
        std.put(attr.getAttrType(), attr);
    }
    if (!std.containsKey(CMSAttributes.messageDigest)) {
        byte[] messageDigest = (byte[]) parameters.get(CMSAttributeTableGenerator.DIGEST);
        Attribute attr = new Attribute(CMSAttributes.messageDigest, new DERSet(new DEROctetString(messageDigest)));
        std.put(attr.getAttrType(), attr);
    }
    if (!std.contains(CMSAttributes.cmsAlgorithmProtect)) {
        Attribute attr = new Attribute(CMSAttributes.cmsAlgorithmProtect, new DERSet(new CMSAlgorithmProtection((AlgorithmIdentifier) parameters.get(CMSAttributeTableGenerator.DIGEST_ALGORITHM_IDENTIFIER), CMSAlgorithmProtection.MAC, (AlgorithmIdentifier) parameters.get(CMSAttributeTableGenerator.MAC_ALGORITHM_IDENTIFIER))));
        std.put(attr.getAttrType(), attr);
    }
    return std;
}

Example 57 with DEROctetString

use of com.github.zhenwei.core.asn1.DEROctetString in project LinLong-Java by zhenwei1108.

the class CMSAuthenticatedDataGenerator method generate.

/**
 * Generate an authenticated data object from the passed in typedData and MacCalculator.
 *
 * @param typedData        the data to have a MAC attached.
 * @param macCalculator    the calculator of the MAC to be attached.
 * @param digestCalculator calculator for computing digest of the encapsulated data.
 * @return the resulting CMSAuthenticatedData object.
 * @throws CMSException on failure in encoding data or processing recipients.
 */
public CMSAuthenticatedData generate(CMSTypedData typedData, MacCalculator macCalculator, final DigestCalculator digestCalculator) throws CMSException {
    ASN1EncodableVector recipientInfos = new ASN1EncodableVector();
    ASN1OctetString encContent;
    ASN1OctetString macResult;
    for (Iterator it = recipientInfoGenerators.iterator(); it.hasNext(); ) {
        RecipientInfoGenerator recipient = (RecipientInfoGenerator) it.next();
        recipientInfos.add(recipient.generate(macCalculator.getKey()));
    }
    AuthenticatedData authData;
    if (digestCalculator != null) {
        try {
            ByteArrayOutputStream bOut = new ByteArrayOutputStream();
            OutputStream out = new TeeOutputStream(digestCalculator.getOutputStream(), bOut);
            typedData.write(out);
            out.close();
            encContent = new BEROctetString(bOut.toByteArray());
        } catch (IOException e) {
            throw new CMSException("unable to perform digest calculation: " + e.getMessage(), e);
        }
        Map parameters = Collections.unmodifiableMap(getBaseParameters(typedData.getContentType(), digestCalculator.getAlgorithmIdentifier(), macCalculator.getAlgorithmIdentifier(), digestCalculator.getDigest()));
        if (authGen == null) {
            authGen = new DefaultAuthenticatedAttributeTableGenerator();
        }
        ASN1Set authed = new DERSet(authGen.getAttributes(parameters).toASN1EncodableVector());
        try {
            OutputStream mOut = macCalculator.getOutputStream();
            mOut.write(authed.getEncoded(ASN1Encoding.DER));
            mOut.close();
            macResult = new DEROctetString(macCalculator.getMac());
        } catch (IOException e) {
            throw new CMSException("unable to perform MAC calculation: " + e.getMessage(), e);
        }
        ASN1Set unauthed = (unauthGen != null) ? new BERSet(unauthGen.getAttributes(parameters).toASN1EncodableVector()) : null;
        ContentInfo eci = new ContentInfo(typedData.getContentType(), encContent);
        authData = new AuthenticatedData(originatorInfo, new DERSet(recipientInfos), macCalculator.getAlgorithmIdentifier(), digestCalculator.getAlgorithmIdentifier(), eci, authed, macResult, unauthed);
    } else {
        try {
            ByteArrayOutputStream bOut = new ByteArrayOutputStream();
            OutputStream mOut = new TeeOutputStream(bOut, macCalculator.getOutputStream());
            typedData.write(mOut);
            mOut.close();
            encContent = new BEROctetString(bOut.toByteArray());
            macResult = new DEROctetString(macCalculator.getMac());
        } catch (IOException e) {
            throw new CMSException("unable to perform MAC calculation: " + e.getMessage(), e);
        }
        ASN1Set unauthed = (unauthGen != null) ? new BERSet(unauthGen.getAttributes(Collections.EMPTY_MAP).toASN1EncodableVector()) : null;
        ContentInfo eci = new ContentInfo(typedData.getContentType(), encContent);
        authData = new AuthenticatedData(originatorInfo, new DERSet(recipientInfos), macCalculator.getAlgorithmIdentifier(), null, eci, null, macResult, unauthed);
    }
    ContentInfo contentInfo = new ContentInfo(CMSObjectIdentifiers.authenticatedData, authData);
    return new CMSAuthenticatedData(contentInfo, new DigestCalculatorProvider() {

        public DigestCalculator get(AlgorithmIdentifier digestAlgorithmIdentifier) throws OperatorCreationException {
            return digestCalculator;
        }
    });
}

Example 58 with DEROctetString

use of com.github.zhenwei.core.asn1.DEROctetString in project LinLong-Java by zhenwei1108.

the class DefaultSignedAttributeTableGenerator method createStandardAttributeTable.

/**
 * Create a standard attribute table from the passed in parameters - this will normally include
 * contentType, signingTime, messageDigest, and CMS algorithm protection. If the constructor using
 * an AttributeTable was used, entries in it for contentType, signingTime, and messageDigest will
 * override the generated ones.
 *
 * @param parameters source parameters for table generation.
 * @return a filled in Hashtable of attributes.
 */
protected Hashtable createStandardAttributeTable(Map parameters) {
    Hashtable std = copyHashTable(table);
    if (!std.containsKey(CMSAttributes.contentType)) {
        ASN1ObjectIdentifier contentType = ASN1ObjectIdentifier.getInstance(parameters.get(CMSAttributeTableGenerator.CONTENT_TYPE));
        // contentType will be null if we're trying to generate a counter signature.
        if (contentType != null) {
            Attribute attr = new Attribute(CMSAttributes.contentType, new DERSet(contentType));
            std.put(attr.getAttrType(), attr);
        }
    }
    if (!std.containsKey(CMSAttributes.signingTime)) {
        Date signingTime = new Date();
        Attribute attr = new Attribute(CMSAttributes.signingTime, new DERSet(new Time(signingTime)));
        std.put(attr.getAttrType(), attr);
    }
    if (!std.containsKey(CMSAttributes.messageDigest)) {
        byte[] messageDigest = (byte[]) parameters.get(CMSAttributeTableGenerator.DIGEST);
        Attribute attr = new Attribute(CMSAttributes.messageDigest, new DERSet(new DEROctetString(messageDigest)));
        std.put(attr.getAttrType(), attr);
    }
    if (!std.contains(CMSAttributes.cmsAlgorithmProtect)) {
        Attribute attr = new Attribute(CMSAttributes.cmsAlgorithmProtect, new DERSet(new CMSAlgorithmProtection((AlgorithmIdentifier) parameters.get(CMSAttributeTableGenerator.DIGEST_ALGORITHM_IDENTIFIER), CMSAlgorithmProtection.SIGNATURE, (AlgorithmIdentifier) parameters.get(CMSAttributeTableGenerator.SIGNATURE_ALGORITHM_IDENTIFIER))));
        std.put(attr.getAttrType(), attr);
    }
    return std;
}

Example 59 with DEROctetString

use of com.github.zhenwei.core.asn1.DEROctetString in project LinLong-Java by zhenwei1108.

the class PKCS12PfxPduBuilder method build.

/**
 * Build the Pfx structure, protecting it with a MAC calculated against the passed in password.
 *
 * @param macCalcBuilder a builder for a PKCS12 mac calculator.
 * @param password       the password to use.
 * @return a Pfx object.
 * @throws PKCSException on a encoding or processing error.
 */
public PKCS12PfxPdu build(PKCS12MacCalculatorBuilder macCalcBuilder, char[] password) throws PKCSException {
    AuthenticatedSafe auth = AuthenticatedSafe.getInstance(new DLSequence(dataVector));
    byte[] encAuth;
    try {
        encAuth = auth.getEncoded();
    } catch (IOException e) {
        throw new PKCSException("unable to encode AuthenticatedSafe: " + e.getMessage(), e);
    }
    ContentInfo mainInfo = new ContentInfo(PKCSObjectIdentifiers.data, new DEROctetString(encAuth));
    MacData mData = null;
    if (macCalcBuilder != null) {
        MacDataGenerator mdGen = new MacDataGenerator(macCalcBuilder);
        mData = mdGen.build(password, encAuth);
    }
    // 
    // output the Pfx
    // 
    Pfx pfx = new Pfx(mainInfo, mData);
    return new PKCS12PfxPdu(pfx);
}

Example 60 with DEROctetString

use of com.github.zhenwei.core.asn1.DEROctetString in project LinLong-Java by zhenwei1108.

the class BCECGOST3410_2012PrivateKey method getEncoded.

/**
 * Return a PKCS8 representation of the key. The sequence returned represents a full
 * PrivateKeyInfo object.
 *
 * @return a PKCS8 representation of the key.
 */
public byte[] getEncoded() {
    boolean is512 = d.bitLength() > 256;
    ASN1ObjectIdentifier identifier = (is512) ? RosstandartObjectIdentifiers.id_tc26_gost_3410_12_512 : RosstandartObjectIdentifiers.id_tc26_gost_3410_12_256;
    int size = (is512) ? 64 : 32;
    if (gostParams != null) {
        byte[] encKey = new byte[size];
        extractBytes(encKey, size, 0, this.getS());
        try {
            PrivateKeyInfo info = new PrivateKeyInfo(new AlgorithmIdentifier(identifier, gostParams), new DEROctetString(encKey));
            return info.getEncoded(ASN1Encoding.DER);
        } catch (IOException e) {
            return null;
        }
    } else {
        X962Parameters params;
        int orderBitLength;
        if (ecSpec instanceof ECNamedCurveSpec) {
            ASN1ObjectIdentifier curveOid = ECUtil.getNamedCurveOid(((ECNamedCurveSpec) ecSpec).getName());
            if (// guess it's the OID
            curveOid == null) {
                curveOid = new ASN1ObjectIdentifier(((ECNamedCurveSpec) ecSpec).getName());
            }
            params = new X962Parameters(curveOid);
            orderBitLength = ECUtil.getOrderBitLength(WeGooProvider.CONFIGURATION, ecSpec.getOrder(), this.getS());
        } else if (ecSpec == null) {
            params = new X962Parameters(DERNull.INSTANCE);
            orderBitLength = ECUtil.getOrderBitLength(WeGooProvider.CONFIGURATION, null, this.getS());
        } else {
            ECCurve curve = EC5Util.convertCurve(ecSpec.getCurve());
            X9ECParameters ecP = new X9ECParameters(curve, new X9ECPoint(EC5Util.convertPoint(curve, ecSpec.getGenerator()), withCompression), ecSpec.getOrder(), BigInteger.valueOf(ecSpec.getCofactor()), ecSpec.getCurve().getSeed());
            params = new X962Parameters(ecP);
            orderBitLength = ECUtil.getOrderBitLength(WeGooProvider.CONFIGURATION, ecSpec.getOrder(), this.getS());
        }
        PrivateKeyInfo info;
        com.github.zhenwei.core.asn1.sec.ECPrivateKey keyStructure;
        if (publicKey != null) {
            keyStructure = new com.github.zhenwei.core.asn1.sec.ECPrivateKey(orderBitLength, this.getS(), publicKey, params);
        } else {
            keyStructure = new com.github.zhenwei.core.asn1.sec.ECPrivateKey(orderBitLength, this.getS(), params);
        }
        try {
            info = new PrivateKeyInfo(new AlgorithmIdentifier(identifier, params.toASN1Primitive()), keyStructure.toASN1Primitive());
            return info.getEncoded(ASN1Encoding.DER);
        } catch (IOException e) {
            return null;
        }
    }
}