[#BN_set_params]
= BN_set_params
:mrdocs:

Set legacy BIGNUM tuning parameters (deprecated no‐op on modern builds).

== Synopsis

Declared in `<openssl/bn.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
void
BN_set_params(
    int mul,
    int high,
    int low,
    int mont);
----

[WARNING]
====
https://en.cppreference.com/cpp/language/attributes/deprecated[Deprecated^]. Use of this entity is allowed but discouraged.
====
== Parameters

[cols="1,4"]
|===
| Name| Description
| *mul*
| Multiplication window / related tuning value.
| *high*
| High‐bit related tuning value.
| *low*
| Low‐bit related tuning value.
| *mont*
| Montgomery‐related tuning value.
|===


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