[#DSA_meth_set_paramgen]
= DSA_meth_set_paramgen
:mrdocs:

Set the parameter‐generation callback on a custom DSA_METHOD (deprecated).

== Synopsis

Declared in `<openssl/dsa.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
int
DSA_meth_set_paramgen(
    xref:DSA_METHOD-07a.adoc[DSA_METHOD]* dsam,
    int(* paramgen)(xref:DSA.adoc[DSA]*, int, unsigned char const*, int, int*, unsigned long*, xref:BN_GENCB.adoc[BN_GENCB]*));
----

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

1 on success.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *dsam*
| Method object to update.
| *paramgen*
| Callback that generates DSA domain parameters, or NULL to clear.
|===


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