[#EVP_SIGNATURE_free]
= EVP_SIGNATURE_free
:mrdocs:

Free a fetched EVP_SIGNATURE method and release its provider reference.

== Synopsis

Declared in `<openssl/evp.h>`

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

== Parameters

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


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