[#ENGINE_set_EC]
= ENGINE_set_EC
:mrdocs:

Attach an EC_KEY_METHOD implementation to an ENGINE (deprecated).

== Synopsis

Declared in `<openssl/engine.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
int
ENGINE_set_EC(
    xref:ENGINE.adoc[ENGINE]* e,
    xref:EC_KEY_METHOD.adoc[EC_KEY_METHOD] const* ecdsa_meth);
----

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

Non‐zero on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *e*
| ENGINE that will expose the method.
| *ecdsa_meth*
| EC key method table for ECDSA/ECDH operations, or NULL to clear.
|===


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