[#BF_set_key]
= BF_set_key
:mrdocs:

Expand a raw Blowfish key into a BF_KEY schedule (deprecated).

== Synopsis

Declared in `<openssl/blowfish.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
void
BF_set_key(
    xref:BF_KEY.adoc[BF_KEY]* key,
    int len,
    unsigned char const* data);
----

[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*
| Destination key schedule.
| *len*
| Number of key bytes at `data` (1..56 typical; longer keys are truncated per Blowfish).
| *data*
| Raw key octets.
|===


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