[#EVP_KEYEXCH_is_a]
= EVP_KEYEXCH_is_a
:mrdocs:

Test whether a key‐exchange implementation is known by `name.`

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EVP_KEYEXCH_is_a(
    xref:EVP_KEYEXCH.adoc[EVP_KEYEXCH] const* keyexch,
    char const* name);
----

== Return Value

1 if `keyexch` matches `name,` or 0 otherwise.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *keyexch*
| Key‐exchange method to query.
| *name*
| Algorithm name or alias.
|===


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