[#EC_GROUP_get0_cofactor]
= EC&lowbar;GROUP&lowbar;get0&lowbar;cofactor
:mrdocs:

Gets the cofactor of an EC&lowbar;GROUP

== Synopsis

Declared in `&lt;openssl&sol;ec&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BIGNUM.adoc[BIGNUM] const*
EC&lowbar;GROUP&lowbar;get0&lowbar;cofactor(xref:EC_GROUP.adoc[EC&lowbar;GROUP] const* group);
----

== Return Value

the group cofactor

== Parameters

[cols="1,4"]
|===
| Name| Description
| *group*
| EC&lowbar;GROUP object
|===


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