[#CHMAC_SHA256-Finalize]
= xref:CHMAC_SHA256.adoc[CHMAC_SHA256]::Finalize
:relfileprefix: ../
:mrdocs:

Produce the MAC of all data written so far.

== Synopsis

Declared in `<crypto/hmac_sha256.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
Finalize(unsigned char hash[]);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *hash*
| Output buffer receiving the OUTPUT_SIZE‐byte MAC.
|===


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