[#CKey-size-09]
= xref:CKey.adoc[CKey]::size
:relfileprefix: ../
:mrdocs:

Number of key bytes, or 0 if the key is invalid.

== Synopsis

Declared in `<key.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
unsigned int
size() const;
----

== Return Value

The size in bytes of the stored key material.


[.small]#Created with https://www.mrdocs.com[MrDocs]#