[#BIP324Cipher-EXPANSION]
= xref:BIP324Cipher.adoc[BIP324Cipher]::EXPANSION
:relfileprefix: ../
:mrdocs:

Total ciphertext expansion added to each packet.

== Synopsis

Declared in `<bip324.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
inline constexpr static
unsigned int EXPANSION = LENGTH_LEN + HEADER_LEN + FSChaCha20Poly1305::EXPANSION;
----


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