[#wallet-ScriptPubKeyMan-CheckDecryptionKey]
= xref:wallet.adoc[wallet]::xref:wallet/ScriptPubKeyMan.adoc[ScriptPubKeyMan]::CheckDecryptionKey
:relfileprefix: ../../
:mrdocs:

Check that the given decryption key is valid for this ScriptPubKeyMan, i.e. it decrypts all of the keys handled by it.

== Synopsis

Declared in `<wallet/scriptpubkeyman.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
bool
CheckDecryptionKey(xref:wallet/CKeyingMaterial.adoc[CKeyingMaterial] const& master_key);
----

== Return Value

true if the key decrypts all keys handled by this ScriptPubKeyMan.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *master_key*
| The candidate decryption key to verify.
|===


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