[#IDEA_set_encrypt_key]
= IDEA_set_encrypt_key
:mrdocs:

Expand a 16‐byte IDEA key into an encryption key schedule (deprecated; prefer EVP).

== Synopsis

Declared in `<openssl/idea.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
void
IDEA_set_encrypt_key(
    unsigned char const* key,
    xref:IDEA_KEY_SCHEDULE.adoc[IDEA_KEY_SCHEDULE]* ks);
----

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

[cols="1,4"]
|===
| Name| Description
| *key*
| 16‐byte IDEA key.
| *ks*
| Destination encryption schedule.
|===


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