[#EC_KEY_METHOD_set_keygen]
= EC_KEY_METHOD_set_keygen
:mrdocs:

Set the key‐generation callback on an EC_KEY_METHOD (deprecated).

== Synopsis

Declared in `<openssl/ec.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
void
EC_KEY_METHOD_set_keygen(
    xref:EC_KEY_METHOD.adoc[EC_KEY_METHOD]* meth,
    int(* keygen)(xref:EC_KEY.adoc[EC_KEY]*));
----

[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 update.
| *keygen*
| Callback that generates a key into `key,` or NULL to clear.
|===


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