[#Descriptor-HavePrivateKeys]
= xref:Descriptor.adoc[Descriptor]::HavePrivateKeys
:relfileprefix: ../
:mrdocs:

Whether the given provider has all private keys required by this descriptor.

== Synopsis

Declared in `<script/descriptor.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
bool
HavePrivateKeys(xref:SigningProvider.adoc[SigningProvider] const& provider) const = 0;
----

== Return Value

`false` if the descriptor doesn't have any keys or subdescriptors, or if the provider does not have all private keys required by the descriptor.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *provider* [in]
| The SigningProvider to query for private keys.
|===


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