[#EVP_PKEY_CTX_get_rsa_oaep_md]
= EVP_PKEY_CTX_get_rsa_oaep_md
:mrdocs:

Get the RSA‐OAEP message‐digest algorithm from an EVP_PKEY_CTX.

== Synopsis

Declared in `<openssl/rsa.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EVP_PKEY_CTX_get_rsa_oaep_md(
    xref:EVP_PKEY_CTX.adoc[EVP_PKEY_CTX]* ctx,
    xref:EVP_MD.adoc[EVP_MD] const** md);
----

== Return Value

1 on success, or a negative value for unsupported / failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Context whose padding mode must be RSA_PKCS1_OAEP_PADDING.
| *md*
| Receives a pointer to the EVP_MD in use (do not free).
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#