Package org.bouncycastle.asn1

Examples of org.bouncycastle.asn1.BEROctetStringGenerator

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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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    static PrivateKey createPrivateKeyFromDERStream(
            InputStream         in)
            throws IOException
        {
            return createPrivateKeyFromPrivateKeyInfo(
                    new PrivateKeyInfo((ASN1Sequence)(new DERInputStream(in).readObject())));
        }
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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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{
    public void testReadingWriting()
        throws Exception
    {
       ByteArrayOutputStream bOut = new ByteArrayOutputStream();
       BerOctetStringGenerator octGen = new BerOctetStringGenerator(bOut);
      
       OutputStream out = octGen.getOctetOutputStream();
      
       out.write(new byte[] { 1, 2, 3, 4 });
       out.write(new byte[4]);
      
       out.close();
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    public void testReadingWritingZeroInLength()
        throws Exception
    {
       ByteArrayOutputStream bOut = new ByteArrayOutputStream();
       BerOctetStringGenerator octGen = new BerOctetStringGenerator(bOut);
      
       OutputStream out = octGen.getOctetOutputStream();
      
       out.write(new byte[] { 1, 2, 3, 4 });
       out.write(new byte[512]);  // forces a zero to appear in length
      
       out.close();
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    public void testReadingWritingNested()
        throws Exception
    {
       ByteArrayOutputStream bOut = new ByteArrayOutputStream();
       BerSequenceGenerator sGen = new BerSequenceGenerator(bOut);
       BerOctetStringGenerator octGen = new BerOctetStringGenerator(sGen.getRawOutputStream());
      
       OutputStream out = octGen.getOctetOutputStream();
      
       BerSequenceGenerator inSGen = new BerSequenceGenerator(out);
      
       BerOctetStringGenerator inOctGen = new BerOctetStringGenerator(inSGen.getRawOutputStream());
      
       OutputStream inOut = inOctGen.getOctetOutputStream();
      
       inOut.write(new byte[] { 1, 2, 3, 4 });
       inOut.write(new byte[10]);
      
       inOut.close();
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        //
        BerSequenceGenerator eiGen = new BerSequenceGenerator(cGen.getRawOutputStream());
       
        eiGen.addObject(new Asn1ObjectIdentifier("1.1"));
       
        BerOctetStringGenerator octGen = new BerOctetStringGenerator(eiGen.getRawOutputStream(), 0, true);
       
        //
        // output containing zeroes
        //
        OutputStream out = octGen.getOctetOutputStream();
       
        out.write(new byte[] { 1, 2, 3, 4 });
        out.write(new byte[4]);
        out.write(new byte[20]);
       
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Related Classes of org.bouncycastle.asn1.BEROctetStringGenerator

  • org.bouncycastle.asn1.ASN1Encodable
  • org.bouncycastle.asn1.ASN1EncodableVector
  • org.bouncycastle.asn1.ASN1Integer
  • org.bouncycastle.asn1.ASN1SequenceParser
  • org.bouncycastle.asn1.ASN1SetParser
  • org.bouncycastle.asn1.BERSequence
  • org.bouncycastle.asn1.BERTaggedObject
  • org.bouncycastle.asn1.cms.AuthEnvelopedDataParser
  • org.bouncycastle.asn1.cms.CompressedData
  • org.bouncycastle.asn1.cms.EncryptedContentInfo
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