[#AEADChaCha20Poly1305-KEYLEN]
= xref:AEADChaCha20Poly1305.adoc[AEADChaCha20Poly1305]::KEYLEN
:relfileprefix: ../
:mrdocs:

Expected size of key argument in constructor&period;

== Synopsis

Declared in `&lt;crypto&sol;chacha20poly1305&period;h&gt;`

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


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