[#BN_GENCB_new]
= BN_GENCB_new
:mrdocs:

Allocate a BN_GENCB used to report progress from prime generation.

== Synopsis

Declared in `<openssl/bn.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:BN_GENCB.adoc[BN_GENCB]*
BN_GENCB_new();
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== Return Value

New callback object, or NULL on failure; free with BN_GENCB_free().


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