[#EVP_SIGNATURE_free]
= EVP&lowbar;SIGNATURE&lowbar;free
:mrdocs:

Free a fetched EVP&lowbar;SIGNATURE method and release its provider reference&period;

== Synopsis

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

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

== Parameters

[cols="1,4"]
|===
| Name| Description
| *signature*
| Signature algorithm object to free, or NULL (no&hyphen;op)&period;
|===


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