[#RSA_set0_key]
= RSA_set0_key
:mrdocs:

Set the RSA modulus and exponents, transferring ownership of the BIGNUMs (deprecated).

== Synopsis

Declared in `<openssl/rsa.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
int
RSA_set0_key(
    xref:RSA.adoc[RSA]* r,
    xref:BIGNUM.adoc[BIGNUM]* n,
    xref:BIGNUM.adoc[BIGNUM]* e,
    xref:BIGNUM.adoc[BIGNUM]* d);
----

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

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *r*
| RSA key to update.
| *n*
| Modulus; required on the first call, or NULL to leave unchanged.
| *e*
| Public exponent; required on the first call, or NULL to leave unchanged.
| *d*
| Private exponent, or NULL to leave unchanged / omit.
|===


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