[#ChaCha20-2constructor-09] = xref:ChaCha20.adoc[ChaCha20]::ChaCha20 :relfileprefix: ../ :mrdocs: For safety, disallow initialization without key. == Synopsis Declared in `<crypto/chacha20.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- ChaCha20() noexcept = delete; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#