[#EVP_MD_settable_ctx_params]
= EVP_MD_settable_ctx_params
:mrdocs:

Return the OSSL_PARAM descriptors for parameters settable on an MD context.

== Synopsis

Declared in `<openssl/evp.h>`

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

== Return Value

NULL‐terminated OSSL_PARAM array, or NULL if none are available.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *md*
| Digest method whose settable context parameters are listed.
|===


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