Package org.bouncycastle.asn1.smime

Examples of org.bouncycastle.asn1.smime.SMIMEEncryptionKeyPreferenceAttribute

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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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        caps.addCapability(SMIMECapability.rC2_CBC, 128);
        caps.addCapability(SMIMECapability.dES_CBC);
               
        SMIMECapabilitiesAttribute attr = new SMIMECapabilitiesAttribute(caps);
       
        SMIMEEncryptionKeyPreferenceAttribute   pref = new SMIMEEncryptionKeyPreferenceAttribute(
                                                  new RecipientKeyIdentifier(new DEROctetString(new byte[8]), new DERGeneralizedTime(new Date(1000)), null));
       
        try
        {
            if (!isSameAs(attr.getEncoded(), attrBytes))
            {
                return new SimpleTestResult(false, getName() + ": Failed attr data check");
            }
           
            ByteArrayInputStream    bIn = new ByteArrayInputStream(attrBytes);
            ASN1InputStream         aIn = new ASN1InputStream(bIn);
           
            DERObject   o = aIn.readObject();
            if (!attr.equals(o))
            {
                return new SimpleTestResult(false, getName() + ": Failed equality test for attr");
            }
           
            if (!isSameAs(pref.getEncoded(), prefBytes))
            {
                return new SimpleTestResult(false, getName() + ": Failed attr data check");
            }
           
            bIn = new ByteArrayInputStream(prefBytes);
            aIn = new ASN1InputStream(bIn);
           
            o = aIn.readObject();
            if (!pref.equals(o))
            {
                return new SimpleTestResult(false, getName() + ": Failed equality test for pref");
            }
           
            return new SimpleTestResult(true, getName() + ": Okay");
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        // normally this would be different from the signing certificate...
        //
        IssuerAndSerialNumber   issAndSer = new IssuerAndSerialNumber(
                new X509Name(signDN), origCert.getSerialNumber());

        signedAttrs.add(new SMIMEEncryptionKeyPreferenceAttribute(issAndSer));

        //
        // create the generator for creating an smime/signed message
        //
        SMIMESignedGenerator gen = new SMIMESignedGenerator();
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        // normally this would be different from the signing certificate...
        //
        IssuerAndSerialNumber   issAndSer = new IssuerAndSerialNumber(
                new X509Name(signDN), origCert.getSerialNumber());

        signedAttrs.add(new SMIMEEncryptionKeyPreferenceAttribute(issAndSer));

        //
        // create the generator for creating an smime/signed message
        //
        SMIMESignedGenerator gen = new SMIMESignedGenerator();
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        // normally this would be different from the signing certificate...
        //
        IssuerAndSerialNumber   issAndSer = new IssuerAndSerialNumber(
                new X509Name(signDN), origCert.getSerialNumber());

        signedAttrs.add(new SMIMEEncryptionKeyPreferenceAttribute(issAndSer));

        //
        // create the generator for creating an smime/signed message
        //
        SMIMESignedGenerator gen = new SMIMESignedGenerator();
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            capabilities.addCapability(SMIMECapability.dES_EDE3_CBC);
            capabilities.addCapability(SMIMECapability.rC2_CBC, 128);
            capabilities.addCapability(SMIMECapability.dES_CBC);

            ASN1EncodableVector attributes = new ASN1EncodableVector();
            attributes.add(new SMIMEEncryptionKeyPreferenceAttribute(
                    new IssuerAndSerialNumber(
                            new X509Name(((X509Certificate)chain[0])
                                    .getIssuerDN().getName()),
                            ((X509Certificate)chain[0]).getSerialNumber())));
            attributes.add(new SMIMECapabilitiesAttribute(capabilities));
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Related Classes of org.bouncycastle.asn1.smime.SMIMEEncryptionKeyPreferenceAttribute

  • 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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