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

Expected key length in constructor and SetKey&period;

== Synopsis

Declared in `&lt;crypto&sol;chacha20&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
inline constexpr static
unsigned int KEYLEN = &lcub;32&rcub;;
----


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