[#EVP_PKEY_up_ref]
= EVP_PKEY_up_ref
:mrdocs:

Increment the reference count of an EVP_PKEY.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EVP_PKEY_up_ref(xref:EVP_PKEY.adoc[EVP_PKEY]* pkey);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *pkey*
| Key whose reference count is increased.
|===


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