[#EC_KEY_set_asn1_flag]
= EC_KEY_set_asn1_flag
:mrdocs:

Set ASN.1 encoding flags on the EC_GROUP inside `eckey` (deprecated).

== Synopsis

Declared in `<openssl/ec.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
void
EC_KEY_set_asn1_flag(
    xref:EC_KEY.adoc[EC_KEY]* eckey,
    int asn1_flag);
----

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

[cols="1,4"]
|===
| Name| Description
| *eckey*
| Key whose group encoding flags are updated.
| *asn1_flag*
| Flag such as OPENSSL_EC_NAMED_CURVE or OPENSSL_EC_EXPLICIT_CURVE.
|===


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