If your engine's 'destroy' isn't being invoked, you might want to have a look at what ENGINE_remove() does, and ultimately, engine_free_util() (found in crypto/engine/eng_lib.c). Those should be called as part of ENGINE_cleanup().
Cheers, Richard In message <by1pr0301mb1238bbc6da68672c825a070488...@by1pr0301mb1238.namprd03.prod.outlook.com> on Wed, 9 Dec 2015 06:10:13 +0000, Vemulapalli Jyothi <jyoth...@freescale.com> said: jyothi.v> Hi Matt, jyothi.v> jyothi.v> We could successfully execute dynamic engine support. jyothi.v> Thanks for help. jyothi.v> jyothi.v> One issue regarding cleanup. jyothi.v> When I gone through openssl cleanup (ie apps_shutdown() or engine interface cleanup ) functionality, I see that there are two function pointers that can set to ENGINE interface: destroy and finish. jyothi.v> jyothi.v> But after completion of openssl command execution or when invoking quit from openssl utility, these function pointers are not getting invoked. jyothi.v> In apps_shutdown(), I can see the call to ENGINE_cleanup(). But this cleanup is internal to openssl library. How can we set our engine de-init function pointer to openssl, where it should be invoked part of apps_shutdown() call. jyothi.v> jyothi.v> We are using openssl-1.0.1g version. jyothi.v> jyothi.v> Can you please give us some data on this. jyothi.v> jyothi.v> Thank you, jyothi.v> Jyothi jyothi.v> jyothi.v> jyothi.v> jyothi.v> -----Original Message----- jyothi.v> From: openssl-dev [mailto:openssl-dev-boun...@openssl.org] On Behalf Of Matt Caswell jyothi.v> Sent: Friday, November 13, 2015 5:14 PM jyothi.v> To: openssl-dev@openssl.org jyothi.v> Subject: Re: [openssl-dev] procedure for adding new engine registration jyothi.v> jyothi.v> jyothi.v> jyothi.v> On 13/11/15 11:16, Vemulapalli Jyothi wrote: jyothi.v> > Hi Matt, jyothi.v> > jyothi.v> > Very useful information. jyothi.v> > jyothi.v> > I too agree with you that we need not have a new engine distribution. jyothi.v> > jyothi.v> > I see some options like dynamic engines and static engine support. jyothi.v> > jyothi.v> > If we have built a library with dynamic engine interface, how can we do speed test using openssl speed command. jyothi.v> jyothi.v> As follows (on Linux): jyothi.v> jyothi.v> OPENSSL_ENGINES=/path/to/my/engine/dir openssl speed -engine myengine jyothi.v> jyothi.v> jyothi.v> Matt jyothi.v> jyothi.v> _______________________________________________ jyothi.v> openssl-dev mailing list jyothi.v> To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-dev jyothi.v> _______________________________________________ jyothi.v> openssl-dev mailing list jyothi.v> To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-dev jyothi.v> _______________________________________________ openssl-dev mailing list To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-dev