[#EC_curve_nist2nid]
= EC_curve_nist2nid
:mrdocs:

Map a NIST curve name such as "P‐256" to the corresponding OpenSSL NID.

== Synopsis

Declared in `<openssl/ec.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EC_curve_nist2nid(char const* name);
----

== Return Value

Curve NID on success, or NID_undef if `name` is not recognized.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *name*
| NIST short name (for example "P‐256", "B‐571").
|===


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