[#ChaCha20Aligned-Nonce96]
= xref:ChaCha20Aligned.adoc[ChaCha20Aligned]::Nonce96
:relfileprefix: ../
:mrdocs:

Type for 96‐bit nonces used by the Set function below.

== Synopsis

Declared in `<crypto/chacha20.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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using Nonce96 = std::pair<uint32_t, uint64_t>;
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== Description

The first field corresponds to the LE32‐encoded first 4 bytes of the nonce, also referred to as the '32‐bit fixed‐common part' in Example 2.8.2 of RFC8439.

The second field corresponds to the LE64‐encoded last 8 bytes of the nonce.


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