Hello, Could you explain the engine management in the openssl 1.0.2e?
I load an engine via openssl config specifying the path using the dynamic_path directive and provide some engine-specific directives. When I call the dgst command dgst -sha1 -engine myengine -keyform engine -sign mykey -out signature I see that the ENGINE_free function is not called after the setup_engine() call from line 220 of dgst.c. It's the 4th call to the ENGINE_free function, there was a call to ENGINE_free for my engine and 2 calls to ENGINE_free to the dynamic engine. Here I get the fields struct_ref = 4, funct_ref = 3, and it seems strange to me. It also seems to me that it should be a call to ENGINE_free at the end of openssl app call to free the resources (e.g. engine error strings), but there is no one. Could you explain my mistakes? Thank you! -- SY, Dmitry Belyavsky
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