[#RSA_meth_set_priv_enc]
= RSA_meth_set_priv_enc
:mrdocs:

Set the private‐encrypt (signing) callback on a custom RSA_METHOD (deprecated).

== Synopsis

Declared in `<openssl/rsa.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
int
RSA_meth_set_priv_enc(
    xref:RSA_METHOD.adoc[RSA_METHOD]* rsa,
    int(* priv_enc)(int, unsigned char const*, unsigned char*, xref:RSA.adoc[RSA]*, int));
----

[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
| *rsa*
| Method object to update.
| *priv_enc*
| Callback performing RSA private encryption / raw signing, or NULL.
|===


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