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

Example 6 with BEROctetString

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

the class CMSSignedDataGenerator method generate.

/**
 * Generate a CMS Signed Data object which can be carrying a detached CMS signature, or have
 * encapsulated data, depending on the value of the encapsulated parameter.
 *
 * @param content     the content to be signed.
 * @param encapsulate true if the content should be encapsulated in the signature, false
 *                    otherwise.
 */
public CMSSignedData generate(// FIXME Avoid accessing more than once to support CMSProcessableInputStream
CMSTypedData content, boolean encapsulate) throws CMSException {
    if (!signerInfs.isEmpty()) {
        throw new IllegalStateException("this method can only be used with SignerInfoGenerator");
    }
    // TODO
    // if (signerInfs.isEmpty())
    // {
    // /* RFC 3852 5.2
    // * "In the degenerate case where there are no signers, the
    // * EncapsulatedContentInfo value being "signed" is irrelevant.  In this
    // * case, the content type within the EncapsulatedContentInfo value being
    // * "signed" MUST be id-data (as defined in section 4), and the content
    // * field of the EncapsulatedContentInfo value MUST be omitted."
    // */
    // if (encapsulate)
    // {
    // throw new IllegalArgumentException("no signers, encapsulate must be false");
    // }
    // if (!DATA.equals(eContentType))
    // {
    // throw new IllegalArgumentException("no signers, eContentType must be id-data");
    // }
    // }
    // 
    // if (!DATA.equals(eContentType))
    // {
    // /* RFC 3852 5.3
    // * [The 'signedAttrs']...
    // * field is optional, but it MUST be present if the content type of
    // * the EncapsulatedContentInfo value being signed is not id-data.
    // */
    // // TODO signedAttrs must be present for all signers
    // }
    Set<AlgorithmIdentifier> digestAlgs = new LinkedHashSet<AlgorithmIdentifier>();
    ASN1EncodableVector signerInfos = new ASN1EncodableVector();
    // clear the current preserved digest state
    digests.clear();
    // 
    for (Iterator it = _signers.iterator(); it.hasNext(); ) {
        SignerInformation signer = (SignerInformation) it.next();
        CMSUtils.addDigestAlgs(digestAlgs, signer, digestAlgIdFinder);
        // TODO Verify the content type and calculated digest match the precalculated SignerInfo
        signerInfos.add(signer.toASN1Structure());
    }
    // 
    // add the SignerInfo objects
    // 
    ASN1ObjectIdentifier contentTypeOID = content.getContentType();
    ASN1OctetString octs = null;
    if (content.getContent() != null) {
        ByteArrayOutputStream bOut = null;
        if (encapsulate) {
            bOut = new ByteArrayOutputStream();
        }
        OutputStream cOut = CMSUtils.attachSignersToOutputStream(signerGens, bOut);
        // Just in case it's unencapsulated and there are no signers!
        cOut = CMSUtils.getSafeOutputStream(cOut);
        try {
            content.write(cOut);
            cOut.close();
        } catch (IOException e) {
            throw new CMSException("data processing exception: " + e.getMessage(), e);
        }
        if (encapsulate) {
            octs = new BEROctetString(bOut.toByteArray());
        }
    }
    for (Iterator it = signerGens.iterator(); it.hasNext(); ) {
        SignerInfoGenerator sGen = (SignerInfoGenerator) it.next();
        SignerInfo inf = sGen.generate(contentTypeOID);
        digestAlgs.add(inf.getDigestAlgorithm());
        signerInfos.add(inf);
        byte[] calcDigest = sGen.getCalculatedDigest();
        if (calcDigest != null) {
            digests.put(inf.getDigestAlgorithm().getAlgorithm().getId(), calcDigest);
        }
    }
    ASN1Set certificates = null;
    if (certs.size() != 0) {
        certificates = CMSUtils.createBerSetFromList(certs);
    }
    ASN1Set certrevlist = null;
    if (crls.size() != 0) {
        certrevlist = CMSUtils.createBerSetFromList(crls);
    }
    ContentInfo encInfo = new ContentInfo(contentTypeOID, octs);
    SignedData sd = new SignedData(CMSUtils.convertToBERSet(digestAlgs), encInfo, certificates, certrevlist, new DERSet(signerInfos));
    ContentInfo contentInfo = new ContentInfo(CMSObjectIdentifiers.signedData, sd);
    return new CMSSignedData(content, contentInfo);
}

Example 7 with BEROctetString

use of com.github.zhenwei.core.asn1.BEROctetString 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 8 with BEROctetString

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

the class CMSCompressedDataGenerator method generate.

/**
 * generate an object that contains an CMS Compressed Data
 */
public CMSCompressedData generate(CMSTypedData content, OutputCompressor compressor) throws CMSException {
    AlgorithmIdentifier comAlgId;
    ASN1OctetString comOcts;
    try {
        ByteArrayOutputStream bOut = new ByteArrayOutputStream();
        OutputStream zOut = compressor.getOutputStream(bOut);
        content.write(zOut);
        zOut.close();
        comAlgId = compressor.getAlgorithmIdentifier();
        comOcts = new BEROctetString(bOut.toByteArray());
    } catch (IOException e) {
        throw new CMSException("exception encoding data.", e);
    }
    ContentInfo comContent = new ContentInfo(content.getContentType(), comOcts);
    ContentInfo contentInfo = new ContentInfo(CMSObjectIdentifiers.compressedData, new CompressedData(comAlgId, comContent));
    return new CMSCompressedData(contentInfo);
}

Example 9 with BEROctetString

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

the class PKCS12KeyStoreSpi method doStore.

private void doStore(OutputStream stream, char[] password, boolean useDEREncoding) throws IOException {
    if (keys.size() == 0) {
        if (password == null) {
            Enumeration cs = certs.keys();
            ASN1EncodableVector certSeq = new ASN1EncodableVector();
            while (cs.hasMoreElements()) {
                try {
                    String certId = (String) cs.nextElement();
                    Certificate cert = (Certificate) certs.get(certId);
                    SafeBag sBag = createSafeBag(certId, cert);
                    certSeq.add(sBag);
                } catch (CertificateEncodingException e) {
                    throw new IOException("Error encoding certificate: " + e.toString());
                }
            }
            if (useDEREncoding) {
                ContentInfo bagInfo = new ContentInfo(PKCSObjectIdentifiers.data, new DEROctetString(new DERSequence(certSeq).getEncoded()));
                Pfx pfx = new Pfx(new ContentInfo(PKCSObjectIdentifiers.data, new DEROctetString(new DERSequence(bagInfo).getEncoded())), null);
                pfx.encodeTo(stream, ASN1Encoding.DER);
            } else {
                ContentInfo bagInfo = new ContentInfo(PKCSObjectIdentifiers.data, new BEROctetString(new BERSequence(certSeq).getEncoded()));
                Pfx pfx = new Pfx(new ContentInfo(PKCSObjectIdentifiers.data, new BEROctetString(new BERSequence(bagInfo).getEncoded())), null);
                pfx.encodeTo(stream, ASN1Encoding.BER);
            }
            return;
        }
    } else {
        if (password == null) {
            throw new NullPointerException("no password supplied for PKCS#12 KeyStore");
        }
    }
    // 
    // handle the key
    // 
    ASN1EncodableVector keyS = new ASN1EncodableVector();
    Enumeration ks = keys.keys();
    while (ks.hasMoreElements()) {
        byte[] kSalt = new byte[SALT_SIZE];
        random.nextBytes(kSalt);
        String name = (String) ks.nextElement();
        PrivateKey privKey = (PrivateKey) keys.get(name);
        PKCS12PBEParams kParams = new PKCS12PBEParams(kSalt, MIN_ITERATIONS);
        byte[] kBytes = wrapKey(keyAlgorithm.getId(), privKey, kParams, password);
        AlgorithmIdentifier kAlgId = new AlgorithmIdentifier(keyAlgorithm, kParams.toASN1Primitive());
        com.github.zhenwei.core.asn1.pkcs.EncryptedPrivateKeyInfo kInfo = new com.github.zhenwei.core.asn1.pkcs.EncryptedPrivateKeyInfo(kAlgId, kBytes);
        boolean attrSet = false;
        ASN1EncodableVector kName = new ASN1EncodableVector();
        if (privKey instanceof PKCS12BagAttributeCarrier) {
            PKCS12BagAttributeCarrier bagAttrs = (PKCS12BagAttributeCarrier) privKey;
            // 
            // make sure we are using the local alias on store
            // 
            ASN1BMPString nm = (ASN1BMPString) bagAttrs.getBagAttribute(pkcs_9_at_friendlyName);
            if (nm == null || !nm.getString().equals(name)) {
                bagAttrs.setBagAttribute(pkcs_9_at_friendlyName, new DERBMPString(name));
            }
            // 
            if (bagAttrs.getBagAttribute(pkcs_9_at_localKeyId) == null) {
                Certificate ct = engineGetCertificate(name);
                bagAttrs.setBagAttribute(pkcs_9_at_localKeyId, createSubjectKeyId(ct.getPublicKey()));
            }
            Enumeration e = bagAttrs.getBagAttributeKeys();
            while (e.hasMoreElements()) {
                ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) e.nextElement();
                ASN1EncodableVector kSeq = new ASN1EncodableVector();
                kSeq.add(oid);
                kSeq.add(new DERSet(bagAttrs.getBagAttribute(oid)));
                attrSet = true;
                kName.add(new DERSequence(kSeq));
            }
        }
        if (!attrSet) {
            // 
            // set a default friendly name (from the key id) and local id
            // 
            ASN1EncodableVector kSeq = new ASN1EncodableVector();
            Certificate ct = engineGetCertificate(name);
            kSeq.add(pkcs_9_at_localKeyId);
            kSeq.add(new DERSet(createSubjectKeyId(ct.getPublicKey())));
            kName.add(new DERSequence(kSeq));
            kSeq = new ASN1EncodableVector();
            kSeq.add(pkcs_9_at_friendlyName);
            kSeq.add(new DERSet(new DERBMPString(name)));
            kName.add(new DERSequence(kSeq));
        }
        SafeBag kBag = new SafeBag(pkcs8ShroudedKeyBag, kInfo.toASN1Primitive(), new DERSet(kName));
        keyS.add(kBag);
    }
    byte[] keySEncoded = new DERSequence(keyS).getEncoded(ASN1Encoding.DER);
    BEROctetString keyString = new BEROctetString(keySEncoded);
    // 
    // certificate processing
    // 
    byte[] cSalt = new byte[SALT_SIZE];
    random.nextBytes(cSalt);
    ASN1EncodableVector certSeq = new ASN1EncodableVector();
    PKCS12PBEParams cParams = new PKCS12PBEParams(cSalt, MIN_ITERATIONS);
    AlgorithmIdentifier cAlgId = new AlgorithmIdentifier(certAlgorithm, cParams.toASN1Primitive());
    Hashtable doneCerts = new Hashtable();
    Enumeration cs = keys.keys();
    while (cs.hasMoreElements()) {
        try {
            String name = (String) cs.nextElement();
            Certificate cert = engineGetCertificate(name);
            boolean cAttrSet = false;
            CertBag cBag = new CertBag(x509Certificate, new DEROctetString(cert.getEncoded()));
            ASN1EncodableVector fName = new ASN1EncodableVector();
            if (cert instanceof PKCS12BagAttributeCarrier) {
                PKCS12BagAttributeCarrier bagAttrs = (PKCS12BagAttributeCarrier) cert;
                // 
                // make sure we are using the local alias on store
                // 
                ASN1BMPString nm = (ASN1BMPString) bagAttrs.getBagAttribute(pkcs_9_at_friendlyName);
                if (nm == null || !nm.getString().equals(name)) {
                    bagAttrs.setBagAttribute(pkcs_9_at_friendlyName, new DERBMPString(name));
                }
                // 
                if (bagAttrs.getBagAttribute(pkcs_9_at_localKeyId) == null) {
                    bagAttrs.setBagAttribute(pkcs_9_at_localKeyId, createSubjectKeyId(cert.getPublicKey()));
                }
                Enumeration e = bagAttrs.getBagAttributeKeys();
                while (e.hasMoreElements()) {
                    ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) e.nextElement();
                    ASN1EncodableVector fSeq = new ASN1EncodableVector();
                    fSeq.add(oid);
                    fSeq.add(new DERSet(bagAttrs.getBagAttribute(oid)));
                    fName.add(new DERSequence(fSeq));
                    cAttrSet = true;
                }
            }
            if (!cAttrSet) {
                ASN1EncodableVector fSeq = new ASN1EncodableVector();
                fSeq.add(pkcs_9_at_localKeyId);
                fSeq.add(new DERSet(createSubjectKeyId(cert.getPublicKey())));
                fName.add(new DERSequence(fSeq));
                fSeq = new ASN1EncodableVector();
                fSeq.add(pkcs_9_at_friendlyName);
                fSeq.add(new DERSet(new DERBMPString(name)));
                fName.add(new DERSequence(fSeq));
            }
            SafeBag sBag = new SafeBag(certBag, cBag.toASN1Primitive(), new DERSet(fName));
            certSeq.add(sBag);
            doneCerts.put(cert, cert);
        } catch (CertificateEncodingException e) {
            throw new IOException("Error encoding certificate: " + e.toString());
        }
    }
    cs = certs.keys();
    while (cs.hasMoreElements()) {
        try {
            String certId = (String) cs.nextElement();
            Certificate cert = (Certificate) certs.get(certId);
            if (keys.get(certId) != null) {
                continue;
            }
            SafeBag sBag = createSafeBag(certId, cert);
            certSeq.add(sBag);
            doneCerts.put(cert, cert);
        } catch (CertificateEncodingException e) {
            throw new IOException("Error encoding certificate: " + e.toString());
        }
    }
    Set usedSet = getUsedCertificateSet();
    cs = chainCerts.keys();
    while (cs.hasMoreElements()) {
        try {
            CertId certId = (CertId) cs.nextElement();
            Certificate cert = (Certificate) chainCerts.get(certId);
            if (!usedSet.contains(cert)) {
                continue;
            }
            if (doneCerts.get(cert) != null) {
                continue;
            }
            CertBag cBag = new CertBag(x509Certificate, new DEROctetString(cert.getEncoded()));
            ASN1EncodableVector fName = new ASN1EncodableVector();
            if (cert instanceof PKCS12BagAttributeCarrier) {
                PKCS12BagAttributeCarrier bagAttrs = (PKCS12BagAttributeCarrier) cert;
                Enumeration e = bagAttrs.getBagAttributeKeys();
                while (e.hasMoreElements()) {
                    ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) e.nextElement();
                    // If we find one, we'll prune it out.
                    if (oid.equals(PKCSObjectIdentifiers.pkcs_9_at_localKeyId)) {
                        continue;
                    }
                    ASN1EncodableVector fSeq = new ASN1EncodableVector();
                    fSeq.add(oid);
                    fSeq.add(new DERSet(bagAttrs.getBagAttribute(oid)));
                    fName.add(new DERSequence(fSeq));
                }
            }
            SafeBag sBag = new SafeBag(certBag, cBag.toASN1Primitive(), new DERSet(fName));
            certSeq.add(sBag);
        } catch (CertificateEncodingException e) {
            throw new IOException("Error encoding certificate: " + e.toString());
        }
    }
    byte[] certSeqEncoded = new DERSequence(certSeq).getEncoded(ASN1Encoding.DER);
    byte[] certBytes = cryptData(true, cAlgId, password, false, certSeqEncoded);
    EncryptedData cInfo = new EncryptedData(data, cAlgId, new BEROctetString(certBytes));
    ContentInfo[] info = new ContentInfo[] { new ContentInfo(data, keyString), new ContentInfo(encryptedData, cInfo.toASN1Primitive()) };
    AuthenticatedSafe auth = new AuthenticatedSafe(info);
    byte[] pkg = auth.getEncoded(useDEREncoding ? ASN1Encoding.DER : ASN1Encoding.BER);
    ContentInfo mainInfo = new ContentInfo(data, new BEROctetString(pkg));
    // 
    // create the mac
    // 
    byte[] mSalt = new byte[saltLength];
    random.nextBytes(mSalt);
    byte[] data = ((ASN1OctetString) mainInfo.getContent()).getOctets();
    MacData mData;
    try {
        byte[] res = calculatePbeMac(macAlgorithm.getAlgorithm(), mSalt, itCount, password, false, data);
        DigestInfo dInfo = new DigestInfo(macAlgorithm, res);
        mData = new MacData(dInfo, mSalt, itCount);
    } catch (Exception e) {
        throw new IOException("error constructing MAC: " + e.toString());
    }
    // 
    // output the Pfx
    // 
    Pfx pfx = new Pfx(mainInfo, mData);
    pfx.encodeTo(stream, useDEREncoding ? ASN1Encoding.DER : ASN1Encoding.BER);
}

Example 10 with BEROctetString

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

the class CMSTimeStampedDataGenerator method generate.

public CMSTimeStampedData generate(TimeStampToken timeStamp, InputStream content) throws CMSException {
    ByteArrayOutputStream contentOut = new ByteArrayOutputStream();
    if (content != null) {
        try {
            Streams.pipeAll(content, contentOut);
        } catch (IOException e) {
            throw new CMSException("exception encapsulating content: " + e.getMessage(), e);
        }
    }
    ASN1OctetString encContent = null;
    if (contentOut.size() != 0) {
        encContent = new BEROctetString(contentOut.toByteArray());
    }
    TimeStampAndCRL stamp = new TimeStampAndCRL(timeStamp.toCMSSignedData().toASN1Structure());
    ASN1IA5String asn1DataUri = null;
    if (dataUri != null) {
        asn1DataUri = new DERIA5String(dataUri.toString());
    }
    return new CMSTimeStampedData(new ContentInfo(CMSObjectIdentifiers.timestampedData, new TimeStampedData(asn1DataUri, metaData, encContent, new Evidence(new TimeStampTokenEvidence(stamp)))));
}