[#EVP_PKEY_meth_new]
= EVP_PKEY_meth_new
:mrdocs:

Allocate a new custom EVP_PKEY_METHOD for algorithm `id` (deprecated).

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
xref:EVP_PKEY_METHOD.adoc[EVP_PKEY_METHOD]*
EVP_PKEY_meth_new(
    int id,
    int flags);
----

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

Prefer provider‐based EVP_KEYMGMT / EVP_SIGNATURE implementations for new code.

== Return Value

New EVP_PKEY_METHOD, or NULL on allocation failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *id*
| Public‐key algorithm NID this method implements.
| *flags*
| Method flags such as EVP_PKEY_FLAG_AUTOARGLEN or EVP_PKEY_FLAG_SIGCTX_CUSTOM.
|===


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