Re:Re: Re: How to release ENGINE_load_private_key?

Hi Tomas，

You are right! I add log to printf ref_counter.

And when I call EVP_PKEY_free, the ref_conunter is 1. So the function just return and not to release engine.

I will try to figure out where still have referance this pkey.

Thanks very much!

BRs,

Shudong











At 2024-11-07 18:54:38, "Tomas Mraz" <[email protected]> wrote:
>Are you sure the EVP_PKEY is really released, i.e. as it is also
>refcounted, there is no other reference to it? If so, the engine struct
>reference wouldn't be decreased only if the engine_finish function
>returned failure. You'll have to use a debugger and build OpenSSL with
>debug info to step through the EVP_PKEY_free() call to see what really
>happens.
>
>Regards,
>Tomas Mraz, OpenSSL
>
>
>On Thu, 2024-11-07 at 18:12 +0800, Shudong Zhang wrote:
>> 
>> 
>> 
>> Hi Tomas,
>>     Thansk for yur quick reply. The version that we use is 1.1.1.o.
>>     Unfortunately, our result indicate that EVP_PKEY_free can not
>> decrese engine struct counter.
>
>-- 
>Tomáš Mráz, OpenSSL
>
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