RFR 8058778: New APIs for some keytool functions

larry mccay larry.mccay at gmail.com
Thu Dec 3 12:21:21 UTC 2015


+1 :)

On Thu, Dec 3, 2015 at 3:31 AM, Wang Weijun <weijun.wang at oracle.com> wrote:

> I tried.
>
> It's quite easy to move the new X509CertificateBuilder class into
> java.security.cert.X509Certificate as an inner class, but I still want to
> make Extension and CertificateRequest better.
>
> Extension
> ---------
>
> Turns out java.security.cert.Extension is already defined for X.509, and
> there exists an X509Extension class in the same package (which should have
> been named SomethingHasX509Extensions). In case one day we want to define
> an extension for non-X.509 certs, I would still like to add static methods
> into X509Extension that returns an Extension:
>
>   static Extension newExtension(String oid, byte[] content, boolean
> isCritical);
>   static Extension newExtension(String oid, String value, boolean
> isCritical);
>
> The string-value version will also use oid as name since OID is the only
> language used in methods of Extension and X509Extension. Constants will be
> defined in X509Extension for known OIDs, say,
>
>   static final String KEYUSAGE = "2.5.29.16".
>
> The "for example" comment of getExtensionValue() will be gone.
>
> CertificateRequest
> ------------------
>
> A new CertificateRequest will be added which looks a lot like Certificate,
> it will have
>
>   String getType();
>   byte[] getEncoded();
>   PublicKey getPublicKey();
>
> and serialization but no verify(). It is always self-signed so the
> constructor can verify.
>
> It will have a child X509CertificateRequest which looks a lot like
> X509Certificate which even implements X509Extension. It will have
>
>   byte[] getCertificationRequestInfo;
>   X500Principal getSubjectX500Principal();
>   byte[] getSignature();
>   String getSigAlgName();
>   String getSigAlgOID();
>   byte[] getSigAlgParams();
>   int getVersion();
>
> (Or maybe not all getSigXXX() methods?)
>
> CertificateFactory should have a new method
>
>   CertificateRequest generateCertificateRequest(InputStream)
>
> and CertificateFactorySpi needs a corresponding engine method throwing UOE.
>
> The X509Factory implementation will read it.
>
>
> All these sound straightforward, worth doing?
>
> Thanks
> Max
>
>
>
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