[#EVP_CIPHER_is_a]
= EVP&lowbar;CIPHER&lowbar;is&lowbar;a
:mrdocs:

Test whether `cipher` is known under algorithm name `name&period;`

== Synopsis

Declared in `&lt;openssl&sol;evp&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EVP&lowbar;CIPHER&lowbar;is&lowbar;a(
    xref:EVP_CIPHER-07.adoc[EVP&lowbar;CIPHER] const* cipher,
    char const* name);
----

== Return Value

1 if `name` identifies `cipher,` or 0 otherwise&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *cipher*
| Cipher implementation to query&period;
| *name*
| Algorithm name or alias (for example &quot;AES&hyphen;128&hyphen;CBC&quot;)&period;
|===


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