[#BN_CTX_secure_new_ex]
= BN_CTX_secure_new_ex
:mrdocs:

Allocate a BN_CTX whose temporary BIGNUMs use secure heap storage.

== Synopsis

Declared in `<openssl/bn.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BN_CTX.adoc[BN_CTX]*
BN_CTX_secure_new_ex(xref:OSSL_LIB_CTX.adoc[OSSL_LIB_CTX]* ctx);
----

== Return Value

New BN_CTX with BN_FLG_SECURE set, or NULL on failure; free with BN_CTX_free().

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Library context for allocation, or NULL for the default.
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#