[#SipHasher13UJ-Hash-0c]
= xref:SipHasher13UJ.adoc[SipHasher13UJ]::Hash
:relfileprefix: ../
:mrdocs:

Hash a jumbo block followed by a normal block after the data written so far, and finalize without modifying the object&period;

== Synopsis

Declared in `&lt;crypto&sol;siphash&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
&lsqb;&lsqb;always&lowbar;inline&rsqb;&rsqb;
uint64&lowbar;t
Hash(
    xref:uint256.adoc[uint256] const& hash,
    uint64&lowbar;t extra) const noexcept;
----

== Return Value

The resulting 64&hyphen;bit hash&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *hash*
| The 256&hyphen;bit jumbo block to hash&period;
| *extra*
| The additional 64&hyphen;bit block to hash after the jumbo block&period;
|===


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