[#CAST_ofb64_encrypt]
= CAST_ofb64_encrypt
:mrdocs:

Encrypt or decrypt data with CAST in 64‐bit OFB mode (deprecated; prefer EVP).

== Synopsis

Declared in `<openssl/cast.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
void
CAST_ofb64_encrypt(
    unsigned char const* in,
    unsigned char* out,
    long length,
    xref:CAST_KEY.adoc[CAST_KEY] const* schedule,
    unsigned char* ivec,
    int* num);
----

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

[cols="1,4"]
|===
| Name| Description
| *in*
| Input bytes of length `length.`
| *out*
| Output buffer of length `length` (may equal `in).`
| *length*
| Number of bytes to process.
| *schedule*
| Expanded CAST key from CAST_set_key().
| *ivec*
| 8‐byte IV updated in place.
| *num*
| Feedback offset into the IV (updated; typically starts at 0).
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#