[#CExtPubKey-id_key_fingerprint]
= xref:CExtPubKey.adoc[CExtPubKey]::id_key_fingerprint
:relfileprefix: ../
:mrdocs:

Compute the fingerprint of this key's own public key.

== Synopsis

Declared in `<pubkey.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:KeyFingerprint.adoc[KeyFingerprint]
id_key_fingerprint() const;
----

== Return Value

The 4‐byte fingerprint of this key's public key.


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