Dear Mahendra,
Take a look at the load_key function in the apps/apps.c as a referent
example.
On Mon, Apr 20, 2020 at 2:34 PM Mahendra SP <mahendra...@gmail.com> wrote:
> Hi All,
>
> While writing the engine implementation for private key encryption and
> decryption, I need to get the private key from external source.
> ENGINE_set_load_privkey_function(e, load_tpm_private_key)
> Above API is success.
>
> RSA structure is as below.
> RSA_METHOD my_rsa_struct =
> {
> "MY RSA method",
> NULL,
> NULL,
> MyRSAPrivEnc,
> MyRSAPrivDec,
> NULL,
> NULL,
> NULL,
> NULL,
> 0,
> NULL,
> NULL,
> NULL,
> NULL
> };
>
> However, the routine load_tpm_private_key does not get invoked during
> private key encryption and decryption.
> Private key encryption and decryption gets routed to the above overloaded
> routines namely " MyRSAPrivEnc " and " MyRSAPrivDec". But
> load_tpm_private_key never gets invoked.
>
> Is there a flag to force the same ? I have tried it using openssl 1.0.2
> version. All other engine calls work as expected, but not this one.
>
> I have also tried to debug in ENGINE_load_private_key in eng_pkey.c file.
> I dont see this function getting invoked. In this function, the private key
> callback set above gets invoked.
>
> Please suggest if I am missing something here.
>
> Thanks
> Mahendra
>
--
SY, Dmitry Belyavsky
