[#CMAC_CTX_cleanup]
= CMAC_CTX_cleanup
:mrdocs:

Clear sensitive CMAC state while keeping the context allocated (deprecated).

== Synopsis

Declared in `<openssl/cmac.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
void
CMAC_CTX_cleanup(xref:CMAC_CTX.adoc[CMAC_CTX]* ctx);
----

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

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Context to clean, or NULL.
|===


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