1f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* LibTomCrypt, modular cryptographic library -- Tom St Denis
2f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project *
3f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * LibTomCrypt is a library that provides various cryptographic
4f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * algorithms in a highly modular and flexible manner.
5f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project *
6f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * The library is free for all purposes without any express
7f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * guarantee it works.
8f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project *
9f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
10f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project */
11f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#include "tomcrypt.h"
12f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project
13f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/**
14f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project   @file ofb_done.c
15f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project   OFB implementation, finish chain, Tom St Denis
16f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project*/
17f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project
18f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#ifdef LTC_OFB_MODE
19f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project
20f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/** Terminate the chain
21f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project  @param ofb    The OFB chain to terminate
22f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project  @return CRYPT_OK on success
23f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project*/
24f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectint ofb_done(symmetric_OFB *ofb)
25f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project{
26f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project   int err;
27f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project   LTC_ARGCHK(ofb != NULL);
28f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project
29f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project   if ((err = cipher_is_valid(ofb->cipher)) != CRYPT_OK) {
30f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project      return err;
31f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project   }
32f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project   cipher_descriptor[ofb->cipher].done(&ofb->key);
33f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project   return CRYPT_OK;
34f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project}
35f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project
36f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project
37f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project
38f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#endif
39f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project
40f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* $Source: /cvs/libtom/libtomcrypt/src/modes/ofb/ofb_done.c,v $ */
41f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* $Revision: 1.6 $ */
42f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* $Date: 2006/06/29 01:51:34 $ */
43