[#DH_check_params]
= DH_check_params
:mrdocs:

Perform a lightweight check that DH parameters p and g look plausible (deprecated).

== Synopsis

Declared in `<openssl/dh.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
int
DH_check_params(
    xref:DH.adoc[DH] const* dh,
    int* ret);
----

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

Prefer DH_check() when a more thorough validation is required.

== Return Value

1 if the check routine ran successfully (inspect `ret),` or 0 on hard failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *dh*
| DH object whose domain parameters are checked.
| *ret*
| Receives zero or DH_CHECK_* reason bits describing problems found.
|===


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