[#CHash256-Finalize]
= xref:CHash256.adoc[CHash256]::Finalize
:relfileprefix: ../
:mrdocs:

Writes the final double‐SHA‐256 hash into the output buffer.

== Synopsis

Declared in `<hash.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
Finalize(std::span<unsigned char> output);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *output*
| Destination buffer, which must be OUTPUT_SIZE bytes.
|===


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