On Tue, 26 Mar 2024 15:57:55 GMT, Prajwal Kumaraswamy 
<[email protected]> wrote:

> > > > Now that we are going with the normative version first, maybe we should 
> > > > make additional changes to clean up the flow further?Say,
> > > > 
> > > > 1. update `jGCMParamsToCKGCMParamPtr(JNIEnv *env, jobject jParam, 
> > > > CK_ULONG *pLength)` to allocate the normative structure instead.
> > > > 2. enhance `updateGCMParams(JNIEnv *env, CK_MECHANISM_PTR mechPtr)` to 
> > > > return a copy of mech pointer containing the non-normative structure.
> > > 
> > > 
> > > If PKCS11 spec version is less than 2.40, we are retaining the same logic 
> > > as it exists today. If we make the above changes then there will be a 
> > > crash in NSS version 3.51 and below where PKCS11 2.20 spec is used.
> > > However, I can optimze the code by introducing new boolean variable in 
> > > C_DecryptInit and C_EncryptInit to indicate if we need to send normative 
> > > struct. If so, I'll add a goto statement to updateGCM params. I did not 
> > > do this initially because in 11u and above I have seen goto being removed.
> > 
> > 
> > Yes, it's better to add one boolean argument and just have one 
> > EncryptInit/DecryptInit() method. As times goes by, I'd expect old NSS 
> > library usage to die out and we should optimize the flow toward normative 
> > version.
> 
> I just noticed, If I add boolean variable, it'll affect all classes (like 
> P11RSA.java etc.) that extends PKCS11.java and we will have to modify all 
> subclasses which might not be the right approach.

Hmm, good point, let me try it out and see if there are other choices.

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PR Comment: https://git.openjdk.org/jdk/pull/18425#issuecomment-2021606718

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