[#BN_get_rfc2409_prime_1024]
= BN_get_rfc2409_prime_1024
:mrdocs:

Return the 1024‐bit MODP group prime from RFC 2409.

== Synopsis

Declared in `<openssl/bn.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BIGNUM.adoc[BIGNUM]*
BN_get_rfc2409_prime_1024(xref:BIGNUM.adoc[BIGNUM]* bn);
----

== Return Value

The prime (possibly newly allocated), or NULL on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *bn*
| Existing BIGNUM to fill, or NULL to allocate.
|===


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