[#EVP_PKEY_asn1_get0]
= EVP_PKEY_asn1_get0
:mrdocs:

Return the registered EVP_PKEY_ASN1_METHOD at index `idx.`

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:EVP_PKEY_ASN1_METHOD.adoc[EVP_PKEY_ASN1_METHOD] const*
EVP_PKEY_asn1_get0(int idx);
----

== Return Value

Internal ASN.1 method pointer, or NULL if `idx` is out of range.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *idx*
| Zero‐based index in the range [0, EVP_PKEY_asn1_get_count()).]
|===


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