cfb.h
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1 /**
2  * @file cfb.h
3  * @brief Cipher Feedback (CFB) mode
4  *
5  * @section License
6  *
7  * SPDX-License-Identifier: GPL-2.0-or-later
8  *
9  * Copyright (C) 2010-2020 Oryx Embedded SARL. All rights reserved.
10  *
11  * This file is part of CycloneCRYPTO Open.
12  *
13  * This program is free software; you can redistribute it and/or
14  * modify it under the terms of the GNU General Public License
15  * as published by the Free Software Foundation; either version 2
16  * of the License, or (at your option) any later version.
17  *
18  * This program is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21  * GNU General Public License for more details.
22  *
23  * You should have received a copy of the GNU General Public License
24  * along with this program; if not, write to the Free Software Foundation,
25  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
26  *
27  * @author Oryx Embedded SARL (www.oryx-embedded.com)
28  * @version 1.9.8
29  **/
30 
31 #ifndef _CFB_H
32 #define _CFB_H
33 
34 //Dependencies
35 #include "core/crypto.h"
36 
37 //C++ guard
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41 
42 //CFB encryption and decryption routines
43 error_t cfbEncrypt(const CipherAlgo *cipher, void *context, uint_t s,
44  uint8_t *iv, const uint8_t *p, uint8_t *c, size_t length);
45 
46 error_t cfbDecrypt(const CipherAlgo *cipher, void *context, uint_t s,
47  uint8_t *iv, const uint8_t *c, uint8_t *p, size_t length);
48 
49 //C++ guard
50 #ifdef __cplusplus
51 }
52 #endif
53 
54 #endif
uint8_t length
Definition: coap_common.h:190
uint8_t p
Definition: ndp.h:298
error_t
Error codes.
Definition: error.h:42
General definitions for cryptographic algorithms.
uint8_t s
Common interface for encryption algorithms.
Definition: crypto.h:1084
error_t cfbEncrypt(const CipherAlgo *cipher, void *context, uint_t s, uint8_t *iv, const uint8_t *p, uint8_t *c, size_t length)
CFB encryption.
Definition: cfb.c:64
error_t cfbDecrypt(const CipherAlgo *cipher, void *context, uint_t s, uint8_t *iv, const uint8_t *c, uint8_t *p, size_t length)
CFB decryption.
Definition: cfb.c:124
unsigned int uint_t
Definition: compiler_port.h:45
uint8_t c
Definition: ndp.h:513