[#EVP_KEYEXCH_get0_provider]
= EVP_KEYEXCH_get0_provider
:mrdocs:

Return the provider that implements a key‐exchange algorithm.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:OSSL_PROVIDER.adoc[OSSL_PROVIDER]*
EVP_KEYEXCH_get0_provider(xref:EVP_KEYEXCH.adoc[EVP_KEYEXCH] const* exchange);
----

== Return Value

Internal OSSL_PROVIDER pointer (do not free), or NULL on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *exchange*
| Key‐exchange method to query.
|===


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