[#EVP_KEYEXCH_settable_ctx_params]
= EVP&lowbar;KEYEXCH&lowbar;settable&lowbar;ctx&lowbar;params
:mrdocs:

Return the OSSL&lowbar;PARAM descriptors for parameters settable on a key&hyphen;exchange context&period;

== Synopsis

Declared in `&lt;openssl&sol;evp&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:OSSL_PARAM.adoc[OSSL&lowbar;PARAM] const*
EVP&lowbar;KEYEXCH&lowbar;settable&lowbar;ctx&lowbar;params(xref:EVP_KEYEXCH.adoc[EVP&lowbar;KEYEXCH] const* keyexch);
----

== Return Value

Constant OSSL&lowbar;PARAM array for use with EVP&lowbar;PKEY&lowbar;CTX&lowbar;set&lowbar;params(), or NULL on error&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *keyexch*
| Key&hyphen;exchange implementation to query&period;
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#
