[openssl-users] Openssl async support

[Matt Caswell]

On 27/12/2018 15:07, ASHIQUE CK wrote:
> Hi all,
> 
>           Thanks for the earlier reply. But still Iam facing issue regarding the
> asynchronous job operation.
> 
>            I have implemented asynchronous job operation partially. I am now
> getting requests asynchronously ie. getting the next request after calling
> ASYNC_pause_job from the first request. But I am unable to resume the paused
> jobs after job completion.
> 
> Test setup consists of a nginx server and three SSL client apps.
> 
> I have got the first 16kb processing request (AES-GCM encryption/decryption)
> from client1 and have submitted the request to the engine and done
> ASYNC_pause_job, so client1 entered into waiting state. But when we run the
> client2 app, the first job went into ASYNC_FINISH state before job completion.
> Similarly, when we run the client3 app, the second job went into ASYNC_FINISH
> state. Can you help regarding this?

It's unclear from your description what you are doing or what exactly the issue
is. Are you able to share some code to show us what is happening?

Matt




> 
> 
> 
> On Wed, Dec 19, 2018 at 5:33 PM ASHIQUE CK <ckashiquekvk at gmail.com
> <mailto:ckashiquekvk at gmail.com>> wrote:
> 
>     Gentle reminder
> 
>     On Tue, Dec 18, 2018 at 4:06 PM ASHIQUE CK <ckashiquekvk at gmail.com
>     <mailto:ckashiquekvk at gmail.com>> wrote:
> 
>         Hi all,
> 
>         I truly understand that everyone might be busy with your work and didn't
>         found time to reply. That's okay, but incase you have accidendly forgot
>         to reply, please accept this as a gentle reminder.
> 
> 
> 
> 
> 
>         On Mon, Dec 17, 2018 at 6:11 PM ASHIQUE CK <ckashiquekvk at gmail.com
>         <mailto:ckashiquekvk at gmail.com>> wrote:
> 
>             Hi all,
> 
>             I have some queries regarding OpenSSL async operation.
> 
>             Current setup
>             -------------
>             I have one*OpenSSL dynamic engine (with RSA and AES-GCM support)
>             *and linked it with *Nginx* server. Multiple *WGET* commands on the
>             client side.
> 
>             Current issue
>             -------------
>              Since OpenSSL *do_cipher call *(the function in which actual
>             AES-GCM encryption/decryption happening) comes from one client at a
>             time which is reducing file downloading performance. So we need an
>             *asynchronous operation in OpenSSL* ie. we need multiple do_cipher
>             calls at the same time from which we should submit requests to HW
>             without affecting the incoming requests and should wait for HW output.
> 
>             Queries
>             --------
>              1) Is there is any other scheme for multiple do_cipher calls at a
>             time?. 
>              2) Any method to enable asynchronous call from OpenSSL?   
> 
>             Versions
>             -------------
>             Openssl - 1.1.0h
>             Nginx1.11.10
>             Wget 1.17.1
> 
>              Kindly support me. Please inform me if any more inputs needed.
>             Thanks in advance.
> 
>