[#EVP_SIGNATURE_up_ref]
= EVP&lowbar;SIGNATURE&lowbar;up&lowbar;ref
:mrdocs:

Increment the reference count on a fetched EVP&lowbar;SIGNATURE algorithm&period;

== Synopsis

Declared in `&lt;openssl&sol;evp&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EVP&lowbar;SIGNATURE&lowbar;up&lowbar;ref(xref:EVP_SIGNATURE.adoc[EVP&lowbar;SIGNATURE]* signature);
----

== Return Value

1 on success, or 0 on failure&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *signature*
| Signature algorithm from EVP&lowbar;SIGNATURE&lowbar;fetch()&period;
|===


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