[#OBJ_sn2nid]
= OBJ_sn2nid
:mrdocs:

Look up the numeric object identifier (NID) for a short name string.

== Synopsis

Declared in `<openssl/objects.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
OBJ_sn2nid(char const* s);
----

== Return Value

Matching NID, or NID_undef if `s` is not recognised.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *s*
| Short name such as "SHA256" or "rsaEncryption".
|===


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