Examples of org.apache.geronimo.util.asn1.x509.V3TBSCertificateGenerator

Package org.apache.geronimo.util.asn1.x509

Examples of org.apache.geronimo.util.asn1.x509.V3TBSCertificateGenerator

org.apache.geronimo.util.asn1.x509.X509Extension

Generator for Version 3 TBSCertificateStructures.

 TBSCertificate ::= SEQUENCE { version          [ 0 ]  Version DEFAULT v1(0), serialNumber            CertificateSerialNumber, signature               AlgorithmIdentifier, issuer                  Name, validity                Validity, subject                 Name, subjectPublicKeyInfo    SubjectPublicKeyInfo, issuerUniqueID    [ 1 ] IMPLICIT UniqueIdentifier OPTIONAL, subjectUniqueID   [ 2 ] IMPLICIT UniqueIdentifier OPTIONAL, extensions        [ 3 ] Extensions OPTIONAL }

    }


    public void setNotAfter(
        Date    date)
    {
        tbsGen.setEndDate(new Time(date));
    }

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        algorithms.put("ECDSAWITHSHA1", new DERObjectIdentifier("1.2.840.10045.4.1"));
    }


    public X509V1CertificateGenerator()
    {
        tbsGen = new V1TBSCertificateGenerator();
    }

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    /**
     * reset the generator
     */
    public void reset()
    {
        tbsGen = new V1TBSCertificateGenerator();
    }

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        DERObject subPubkeyDerObj = ais.readObject();
        SubjectPublicKeyInfo subPubKeyInfo = SubjectPublicKeyInfo.getInstance(subPubkeyDerObj);
        
        // Create certificate generator and initialize fields
        // Certificate version is v3
        V3TBSCertificateGenerator v3certGen = new V3TBSCertificateGenerator();
        // Subject info
        v3certGen.setSubject(subName);
        v3certGen.setSubjectPublicKeyInfo(subPubKeyInfo);
        // Issuer info
        v3certGen.setIssuer(caName);
        // serial number
        v3certGen.setSerialNumber(new DERInteger(serialNum));
        // validity
        v3certGen.setStartDate(new Time(validFromDate));
        v3certGen.setEndDate(new Time(validToDate));
        // signature algorithm
        v3certGen.setSignature(algId);
        
        // Get the certificate info to be signed
        TBSCertificateStructure tbsCert = v3certGen.generateTBSCertificate();
        byte[] tobesigned = tbsCert.getEncoded();
        
        // Create the signature
        Signature signatureObj = Signature.getInstance(algorithm);
        signatureObj.initSign(caPriKey);

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        DERObject subPubkeyDerObj = ais.readObject();
        SubjectPublicKeyInfo subPubKeyInfo = SubjectPublicKeyInfo.getInstance(subPubkeyDerObj);
        
        // Create certificate generator and initialize fields
        // Certificate version is v3
        V3TBSCertificateGenerator v3certGen = new V3TBSCertificateGenerator();
        // Subject info
        v3certGen.setSubject(subName);
        v3certGen.setSubjectPublicKeyInfo(subPubKeyInfo);
        // Issuer info
        v3certGen.setIssuer(caName);
        // serial number
        v3certGen.setSerialNumber(new DERInteger(serialNum));
        // validity
        v3certGen.setStartDate(new Time(validFromDate));
        v3certGen.setEndDate(new Time(validToDate));
        // signature algorithm
        v3certGen.setSignature(algId);
        
        // Get the certificate info to be signed
        TBSCertificateStructure tbsCert = v3certGen.generateTBSCertificate();
        byte[] tobesigned = tbsCert.getEncoded();
        
        // Create the signature
        Signature signatureObj = Signature.getInstance(algorithm);
        signatureObj.initSign(caPriKey);

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        v.add(tbsCert);
        v.add(sigAlgId);
        v.add(new DERBitString(sig.sign()));


        return new X509CertificateObject(new X509CertificateStructure(new DERSequence(v)));
    }

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    private String generateCSR(X509Certificate cert, PrivateKey signingKey) throws InvalidKeyException, NoSuchAlgorithmException, NoSuchProviderException, SignatureException, KeyStoreException, IOException {
        String sigalg = cert.getSigAlgName();
        X509Name subject;
        try{
            ASN1InputStream ais = new ASN1InputStream(cert.getEncoded());
            X509CertificateStructure x509Struct = new X509CertificateStructure((ASN1Sequence)ais.readObject());
            ais.close();
            subject = x509Struct.getSubject();
        } catch(CertificateEncodingException e) {
            log.warn(e.toString()+" while retrieving subject from certificate to create CSR.  Using subjectDN instead.");
            subject = new X509Name(cert.getSubjectDN().toString());
        }
        PublicKey publicKey = cert.getPublicKey();

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     * This method returns a X509Name object corresponding to the subject in a given certificate
     * @param cert Certificate from which subject needs to be retrieved
     */
    public static X509Name getSubjectX509Name(Certificate cert) throws CertificateEncodingException, IOException {
        ASN1InputStream ais = new ASN1InputStream(cert.getEncoded());
        X509CertificateStructure x509Struct = new X509CertificateStructure((ASN1Sequence)ais.readObject());
        ais.close();
        return x509Struct.getSubject();
    }

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                Enumeration     e = extensions.oids();


                while (e.hasMoreElements())
                {
                    DERObjectIdentifier oid = (DERObjectIdentifier)e.nextElement();
                    X509Extension       ext = extensions.getExtension(oid);


                    if (ext.isCritical())
                    {
                        set.add(oid.getId());
                    }
                }

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    {
        X509Extensions exts = c.getTBSCertificate().getExtensions();


        if (exts != null)
        {
            X509Extension   ext = exts.getExtension(new DERObjectIdentifier(oid));
            if (ext != null)
            {
                return ext.getValue().getOctets();
            }
        }


        return null;
    }

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