[#EVP_PKEY_asn1_add0]
= EVP_PKEY_asn1_add0
:mrdocs:

Register an EVP_PKEY_ASN1_METHOD in the global ASN.1 method table.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EVP_PKEY_asn1_add0(xref:EVP_PKEY_ASN1_METHOD.adoc[EVP_PKEY_ASN1_METHOD] const* ameth);
----

== Return Value

1 on success, or 0 on failure (for example duplicate id).

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ameth*
| ASN.1 method to add; ownership is transferred on success.
|===


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