Examples of java.security.cert.CertificateFactory.generateCertificate()

Class java.security.cert.CertificateFactory

Examples of java.security.cert.CertificateFactory.generateCertificate()

java.security.cert.CertificateFactory.generateCertificate()
Generates and initializes a Certificate from data from the provided input stream. @param inStream InputStream Stream from where data is read to create the Certificate @return Certificate an initialized Certificate @exception CertificateException if parsing problems are detected

        {
            bIn = new ByteArrayInputStream(bytes);


            CertificateFactory  fact = CertificateFactory.getInstance("X.509", "BC");


            Certificate cert = fact.generateCertificate(bIn);


            PublicKey    k = cert.getPublicKey();


            cert.verify(k);
            // System.out.println(cert);

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        ByteArrayInputStream   sbIn = new ByteArrayInputStream(cert.getEncoded());
        ASN1InputStream        sdIn = new ASN1InputStream(sbIn);
        ByteArrayInputStream   bIn = new ByteArrayInputStream(cert.getEncoded());
        CertificateFactory     certFact = CertificateFactory.getInstance("X.509", "BC");


        cert = (X509Certificate)certFact.generateCertificate(bIn);


        if (!cert.getKeyUsage()[7])
        {
            fail("error generating cert - key usage wrong.");
        }

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        cert.verify(pubKey);


        bIn = new ByteArrayInputStream(cert.getEncoded());
        certFact = CertificateFactory.getInstance("X.509", "BC");


        cert = (X509Certificate)certFact.generateCertificate(bIn);


        // System.out.println(cert);
        if (!cert.getIssuerDN().equals(cert.getSubjectDN()))
        {
            fail("name comparison fails");

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            cert.verify(pubKey);


            ByteArrayInputStream    bIn = new ByteArrayInputStream(cert.getEncoded());
            CertificateFactory      fact = CertificateFactory.getInstance("X.509", "BC");


            cert = (X509Certificate)fact.generateCertificate(bIn);


            // System.out.println(cert);
        }
        catch (Exception e)
        {

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            cert.verify(pubKey);


            ByteArrayInputStream    bIn = new ByteArrayInputStream(cert.getEncoded());
            CertificateFactory      fact = CertificateFactory.getInstance("X.509", "BC");


            cert = (X509Certificate)fact.generateCertificate(bIn);


            //System.out.println(cert);
        }
        catch (Exception e)
        {

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            cert.verify(pubKey);


            ByteArrayInputStream    bIn = new ByteArrayInputStream(cert.getEncoded());
            CertificateFactory      fact = CertificateFactory.getInstance("X.509", "BC");


            cert = (X509Certificate)fact.generateCertificate(bIn);


            //
            // try with point compression turned off
            //
            ((ECPointEncoder)pubKey).setPointFormat("UNCOMPRESSED");

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            cert.verify(pubKey);


            bIn = new ByteArrayInputStream(cert.getEncoded());
            fact = CertificateFactory.getInstance("X.509", "BC");


            cert = (X509Certificate)fact.generateCertificate(bIn);
            // System.out.println(cert);
        }
        catch (Exception e)
        {
            fail("error setting generating cert - " + e.toString());

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        cert.verify(pubKey);


        ByteArrayInputStream    bIn = new ByteArrayInputStream(cert.getEncoded());
        CertificateFactory      certFact = CertificateFactory.getInstance("X.509", "BC");


        cert = (X509Certificate)certFact.generateCertificate(bIn);


        //
        // try with point compression turned off
        //
        ((ECPointEncoder)pubKey).setPointFormat("UNCOMPRESSED");

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        cert.verify(pubKey);


        bIn = new ByteArrayInputStream(cert.getEncoded());
        certFact = CertificateFactory.getInstance("X.509", "BC");


        cert = (X509Certificate)certFact.generateCertificate(bIn);
        
        if (!cert.getSigAlgOID().equals(algOid.toString()))
        {
            fail("ECDSA oid incorrect.");
        }

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        cert.verify(cert.getPublicKey());
        
        ByteArrayInputStream    bIn = new ByteArrayInputStream(cert.getEncoded());
        CertificateFactory      fact = CertificateFactory.getInstance("X.509", "BC");


        cert = (X509Certificate)fact.generateCertificate(bIn);


        //System.out.println(cert);


        //check getEncoded()
        byte[]  bytesch = cert.getEncoded();

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