[#EVP_MAC_CTX_new]
= EVP_MAC_CTX_new
:mrdocs:

Allocate a new MAC operation context for `mac.`

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:EVP_MAC_CTX.adoc[EVP_MAC_CTX]*
EVP_MAC_CTX_new(xref:EVP_MAC.adoc[EVP_MAC]* mac);
----

== Return Value

New EVP_MAC_CTX, or NULL on failure; free with EVP_MAC_CTX_free().

== Parameters

[cols="1,4"]
|===
| Name| Description
| *mac*
| MAC method obtained from EVP_MAC_fetch() (reference is up‐reffed).
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#