[#RSA_get0_d]
= RSA_get0_d
:mrdocs:

Return the RSA private exponent d (deprecated).

== Synopsis

Declared in `<openssl/rsa.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
xref:BIGNUM.adoc[BIGNUM] const*
RSA_get0_d(xref:RSA.adoc[RSA] const* d);
----

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

Pointer to the internal private‐exponent BIGNUM (do not free), or NULL if unset.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *d*
| RSA key to query.
|===


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