[#BF_cbc_encrypt]
= BF_cbc_encrypt
:mrdocs:

Encrypt or decrypt data with Blowfish in CBC mode (deprecated).

== Synopsis

Declared in `<openssl/blowfish.h>`

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

[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` (need not be block‐aligned; CFB‐style trailing handled).
| *out*
| Output buffer of at least `length` bytes (may equal `in).`
| *length*
| Number of bytes to process.
| *schedule*
| Expanded Blowfish key from BF_set_key().
| *ivec*
| 8‐byte IV; updated to the last ciphertext block on return.
| *enc*
| BF_ENCRYPT to encrypt, or BF_DECRYPT to decrypt.
|===


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