[#DH_meth_set_compute_key]
= DH_meth_set_compute_key
:mrdocs:

Set the shared‐secret compute_key callback on a DH_METHOD (deprecated).

== Synopsis

Declared in `<openssl/dh.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
int
DH_meth_set_compute_key(
    xref:DH_METHOD-0a.adoc[DH_METHOD]* dhm,
    int(* compute_key)(unsigned char*, xref:BIGNUM.adoc[BIGNUM] const*, xref:DH.adoc[DH]*));
----

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

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *dhm*
| Method table to update.
| *compute_key*
| Callback invoked by DH_compute_key(), or NULL to clear.
|===


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