[#OBJ_nid2obj]
= OBJ_nid2obj
:mrdocs:

Return the ASN1_OBJECT for a numeric identifier (NID).

== Synopsis

Declared in `<openssl/objects.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:ASN1_OBJECT.adoc[ASN1_OBJECT]*
OBJ_nid2obj(int n);
----

== Return Value

Internal ASN1_OBJECT pointer (do not free), or NULL if `n` is unknown.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *n*
| Object NID such as NID_sha256.
|===


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