[#EVP_MD_meth_dup]
= EVP_MD_meth_dup
:mrdocs:

Duplicate a custom EVP_MD method (deprecated).

== Synopsis

Declared in `<openssl/evp.h>`

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

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

New EVP_MD copy, or NULL on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *md*
| Digest method to copy.
|===


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