[#EC_KEY_new_ex]
= EC_KEY_new_ex
:mrdocs:

Create a new empty EC_KEY using a library context (deprecated).

== Synopsis

Declared in `<openssl/ec.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
xref:EC_KEY.adoc[EC_KEY]*
EC_KEY_new_ex(
    xref:OSSL_LIB_CTX.adoc[OSSL_LIB_CTX]* ctx,
    char const* propq);
----

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

New EC_KEY, or NULL if an error occurred.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Library context for algorithm fetches, or NULL for the default.
| *propq*
| Optional property query string for provider selection, or NULL.
|===


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