[#EVP_MD_meth_new]
= EVP_MD_meth_new
:mrdocs:

Allocate a mutable EVP_MD method object for custom digests (deprecated).

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
xref:EVP_MD.adoc[EVP_MD]*
EVP_MD_meth_new(
    int md_type,
    int pkey_type);
----

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

Deprecated; prefer provider‐based digests instead of building EVP_MD methods by hand.

== Return Value

New EVP_MD, or NULL on allocation failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *md_type*
| NID identifying the digest algorithm.
| *pkey_type*
| Legacy NID associating the digest with a public‐key type, or NID_undef.
|===


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