[#EVP_KDF_free]
= EVP_KDF_free
:mrdocs:

Release a reference to a fetched EVP_KDF method.

== Synopsis

Declared in `<openssl/kdf.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
EVP_KDF_free(xref:EVP_KDF.adoc[EVP_KDF]* kdf);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *kdf*
| Method from EVP_KDF_fetch(), or NULL.
|===


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