Package org.bouncycastle.asn1.pkcs

Examples of org.bouncycastle.asn1.pkcs.ContentInfo


        SignerInfo signerInfo = SignerInfo.getInstance(signerinfos.getObjectAt(0));

        signerversion = signerInfo.getVersion().getValue().intValue();

        IssuerAndSerialNumber isAnds = signerInfo.getIssuerAndSerialNumber();

        //
        // Get the signing certificate
        //
        BigInteger      serialNumber = isAnds.getCertificateSerialNumber().getValue();
        X509Principal   issuer = new X509Principal(isAnds.getName());

        for (Iterator i = certs.iterator();i.hasNext();)
        {
            X509Certificate cert = (X509Certificate)i.next();
            if (serialNumber.equals(cert.getSerialNumber())
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            // Add the signerInfo version
            //
            signerinfo.add(new DERInteger(signerversion));

            IssuerAndSerialNumber isAnds = new IssuerAndSerialNumber(
                        new X509Name((ASN1Sequence)getIssuer(signCert.getTBSCertificate())),
                        new DERInteger(signCert.getSerialNumber()));
            signerinfo.add(isAnds);

            // Add the digestAlgorithm
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                                            ecSpec.getH(),
                                            ecSpec.getSeed());
            params = new X962Parameters(ecP);
        }

        PrivateKeyInfo          info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), new ECPrivateKeyStructure(this.getD()).getDERObject());

        try
        {
            dOut.writeObject(info);
            dOut.close();
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        {
            throw new SecurityException("Not a valid PKCS#7 signed-data object - wrong header " + content.getContentType().getId());
        }


        SignedData  data = SignedData.getInstance(content.getContent());

        certs = new ArrayList();

        if (data.getCertificates() != null)
        {
            Enumeration ec = ASN1Set.getInstance(data.getCertificates()).getObjects();

            while (ec.hasMoreElements())
            {
                certs.add(new X509CertificateObject(X509CertificateStructure.getInstance(ec.nextElement())));
            }
        }

        crls = new ArrayList();

        if (data.getCRLs() != null)
        {
            Enumeration ec = ASN1Set.getInstance(data.getCRLs()).getObjects();
            while (ec.hasMoreElements())
            {
                crls.add(new X509CRLObject(CertificateList.getInstance(ec.nextElement())));
            }
        }

        version = data.getVersion().getValue().intValue();

        //
        // Get the digest algorithm
        //
        digestalgos = new HashSet();
        Enumeration e = data.getDigestAlgorithms().getObjects();

        while (e.hasMoreElements())
        {
            ASN1Sequence s = (ASN1Sequence)e.nextElement();
            DERObjectIdentifier o = (DERObjectIdentifier)s.getObjectAt(0);
            digestalgos.add(o.getId());
        }

        //
        // Get the SignerInfo
        //
        ASN1Set signerinfos = data.getSignerInfos();
        if (signerinfos.size() != 1)
        {
            throw new SecurityException("This PKCS#7 object has multiple SignerInfos - only one is supported at this time");
        }
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        if (signerinfos.size() != 1)
        {
            throw new SecurityException("This PKCS#7 object has multiple SignerInfos - only one is supported at this time");
        }

        SignerInfo signerInfo = SignerInfo.getInstance(signerinfos.getObjectAt(0));

        signerversion = signerInfo.getVersion().getValue().intValue();

        IssuerAndSerialNumber isAnds = signerInfo.getIssuerAndSerialNumber();

        //
        // Get the signing certificate
        //
        BigInteger      serialNumber = isAnds.getCertificateSerialNumber().getValue();
        X509Principal   issuer = new X509Principal(isAnds.getName());

        for (Iterator i = certs.iterator();i.hasNext();)
        {
            X509Certificate cert = (X509Certificate)i.next();
            if (serialNumber.equals(cert.getSerialNumber())
                    && issuer.equals(cert.getIssuerDN()))
            {
                signCert = cert;
                break;
            }
        }

        if (signCert == null)
        {
            throw new SecurityException("Can't find signing certificate with serial "+serialNumber.toString(16));
        }

        digestAlgorithm = signerInfo.getDigestAlgorithm().getObjectId().getId();

        digest = signerInfo.getEncryptedDigest().getOctets();
        digestEncryptionAlgorithm = signerInfo.getDigestEncryptionAlgorithm().getObjectId().getId();

        sig = Signature.getInstance(getDigestAlgorithm(), provider);

        sig.initVerify(signCert.getPublicKey());
    }
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            this.d = derD.getValue();
        }
        else
        {
            ECPrivateKeyStructure   ec = new ECPrivateKeyStructure((ASN1Sequence)info.getPrivateKey());

            this.d = ec.getKey();
        }
    }
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                                            ecSpec.getH(),
                                            ecSpec.getSeed());
            params = new X962Parameters(ecP);
        }

        PrivateKeyInfo          info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), new ECPrivateKeyStructure(this.getD()).getDERObject());

        try
        {
            dOut.writeObject(info);
            dOut.close();
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        bufIn.reset();

        ASN1InputStream bIn = new ASN1InputStream(bufIn);
        ASN1Sequence    obj = (ASN1Sequence)bIn.readObject();
        Pfx             bag = new Pfx(obj);
        ContentInfo     info = bag.getAuthSafe();
        Vector          chain = new Vector();
        boolean         unmarkedKey = false;
        boolean         wrongPKCS12Zero = false;

        if (bag.getMacData() != null)           // check the mac code
        {
            MacData                     mData = bag.getMacData();
            DigestInfo                  dInfo = mData.getMac();
            AlgorithmIdentifier         algId = dInfo.getAlgorithmId();
            byte[]                      salt = mData.getSalt();
            int                         itCount = mData.getIterationCount().intValue();

            byte[]  data = ((ASN1OctetString)info.getContent()).getOctets();

            try
            {
                byte[] res = calculatePbeMac(algId.getObjectId(), salt, itCount, password, false, data);
                byte[] dig = dInfo.getDigest();

                if (!Arrays.constantTimeAreEqual(res, dig))
                {
                    if (password.length > 0)
                    {
                        throw new IOException("PKCS12 key store mac invalid - wrong password or corrupted file.");
                    }

                    // Try with incorrect zero length password
                    res = calculatePbeMac(algId.getObjectId(), salt, itCount, password, true, data);

                    if (!Arrays.constantTimeAreEqual(res, dig))
                    {
                        throw new IOException("PKCS12 key store mac invalid - wrong password or corrupted file.");
                    }

                    wrongPKCS12Zero = true;
                }
            }
            catch (IOException e)
            {
                throw e;
            }
            catch (Exception e)
            {
                throw new IOException("error constructing MAC: " + e.toString());
            }
        }

        keys = new IgnoresCaseHashtable();
        localIds = new Hashtable();

        if (info.getContentType().equals(data))
        {
            bIn = new ASN1InputStream(((ASN1OctetString)info.getContent()).getOctets());

            AuthenticatedSafe   authSafe = new AuthenticatedSafe((ASN1Sequence)bIn.readObject());
            ContentInfo[]       c = authSafe.getContentInfo();

            for (int i = 0; i != c.length; i++)
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        byte[]          certBytes = cryptData(true, cAlgId, password, false, certSeqEncoded);
        EncryptedData   cInfo = new EncryptedData(data, cAlgId, new BERConstructedOctetString(certBytes));

        ContentInfo[] info = new ContentInfo[]
        {
            new ContentInfo(data, keyString),
            new ContentInfo(encryptedData, cInfo.getDERObject())
        };

        AuthenticatedSafe   auth = new AuthenticatedSafe(info);

        ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
        BEROutputStream         berOut = new BEROutputStream(bOut);

        berOut.writeObject(auth);

        byte[]              pkg = bOut.toByteArray();

        ContentInfo         mainInfo = new ContentInfo(data, new BERConstructedOctetString(pkg));

        //
        // create the mac
        //
        byte[]                      mSalt = new byte[20];
        int                         itCount = MIN_ITERATIONS;

        random.nextBytes(mSalt);
   
        byte[]  data = ((ASN1OctetString)mainInfo.getContent()).getOctets();

        MacData                 mData;

        try
        {
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            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 DERInteger(1),
                                     new DERSet(),
                                     encInfo,
                                     new DERSet(v),
                                     null,
                                     new DERSet());

            return toDEREncoded(new ContentInfo(
                    PKCSObjectIdentifiers.signedData, sd));
        }
        else if (encoding.equalsIgnoreCase("PEM"))
        {
            ByteArrayOutputStream bOut = new ByteArrayOutputStream();
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