[#ENGINE_get_pkey_asn1_meth]
= ENGINE_get_pkey_asn1_meth
:mrdocs:

Return the EVP_PKEY_ASN1_METHOD that `e` provides for algorithm `nid` (deprecated).

== Synopsis

Declared in `<openssl/engine.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
xref:EVP_PKEY_ASN1_METHOD.adoc[EVP_PKEY_ASN1_METHOD] const*
ENGINE_get_pkey_asn1_meth(
    xref:ENGINE.adoc[ENGINE]* e,
    int nid);
----

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

Matching EVP_PKEY_ASN1_METHOD, or NULL if `e` does not implement `nid.`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *e*
| ENGINE whose ASN.1 pkey‐method handler is queried.
| *nid*
| NID of the public‐key algorithm to look up.
|===


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