[#EC_KEY_METHOD_get_compute_key]
= EC_KEY_METHOD_get_compute_key
:mrdocs:

Retrieve the ECDH shared‐secret callback from an EC_KEY_METHOD (deprecated).

== Synopsis

Declared in `<openssl/ec.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
void
EC_KEY_METHOD_get_compute_key(
    xref:EC_KEY_METHOD.adoc[EC_KEY_METHOD] const* meth,
    int(** pck)(unsigned char**, size_t*, xref:EC_POINT.adoc[EC_POINT] const*, xref:EC_KEY.adoc[EC_KEY] const*));
----

[WARNING]
====
https://en.cppreference.com/cpp/language/attributes/deprecated[Deprecated^]. Use of this entity is allowed but discouraged.
====
== Parameters

[cols="1,4"]
|===
| Name| Description
| *meth*
| Method table to query.
| *pck*
| Receives the compute_key callback pointer, or NULL to skip.
|===


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