Examples of org.bouncycastle.asn1.pkcs.EncryptedData

org.bouncycastle2.asn1.pkcs.EncryptedData

The EncryptedData object.

 EncryptedData ::= SEQUENCE { version Version, encryptedContentInfo EncryptedContentInfo } EncryptedContentInfo ::= SEQUENCE { contentType ContentType, contentEncryptionAlgorithm  ContentEncryptionAlgorithmIdentifier, encryptedContent [0] IMPLICIT EncryptedContent OPTIONAL } EncryptedContent ::= OCTET STRING


        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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    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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                        }
                    }
                }
                else if (c[i].getContentType().equals(encryptedData))
                {
                    EncryptedData d = new EncryptedData((ASN1Sequence)c[i].getContent());
                    byte[] octets = cryptData(false, d.getEncryptionAlgorithm(),
                        password, wrongPKCS12Zero, d.getContent().getOctets());
                    ASN1Sequence seq = (ASN1Sequence) ASN1Object.fromByteArray(octets);


                    for (int j = 0; j != seq.size(); j++)
                    {
                        SafeBag b = new SafeBag((ASN1Sequence)seq.getObjectAt(j));

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            }
        }


        byte[]          certSeqEncoded = new DERSequence(certSeq).getDEREncoded();
        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();

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Related Classes of org.bouncycastle.asn1.pkcs.EncryptedData

org.bouncycastle.asn1.ASN1Encodable

org.bouncycastle.asn1.ASN1EncodableVector

org.bouncycastle.asn1.ASN1Integer

org.bouncycastle.asn1.ASN1SequenceParser

org.bouncycastle.asn1.ASN1SetParser

org.bouncycastle.asn1.ASN1TaggedObject

org.bouncycastle.asn1.BERSequence

org.bouncycastle.asn1.BERTaggedObject

org.bouncycastle.asn1.cms.AuthEnvelopedDataParser

org.bouncycastle.asn1.cms.CompressedData

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