[#EVP_KEYEXCH_get0_provider]
= EVP&lowbar;KEYEXCH&lowbar;get0&lowbar;provider
:mrdocs:

Return the provider that implements a key&hyphen;exchange algorithm&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:OSSL_PROVIDER.adoc[OSSL&lowbar;PROVIDER]*
EVP&lowbar;KEYEXCH&lowbar;get0&lowbar;provider(xref:EVP_KEYEXCH.adoc[EVP&lowbar;KEYEXCH] const* exchange);
----

== Return Value

Internal OSSL&lowbar;PROVIDER pointer (do not free), or NULL on error&period;

== Parameters

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


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