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cipher_mode_cbc.c File Reference
Cipher Block Chaining (CBC) mode. More...
Go to the source code of this file.
Functions | |
| error_t | cbcEncrypt (const CipherAlgo *cipher, void *context, uint8_t *iv, const uint8_t *p, uint8_t *c, size_t length) |
| CBC encryption. | |
| error_t | cbcDecrypt (const CipherAlgo *cipher, void *context, uint8_t *iv, const uint8_t *c, uint8_t *p, size_t length) |
| CBC decryption. | |
Detailed Description
Cipher Block Chaining (CBC) mode.
License
Copyright (C) 2010-2017 Oryx Embedded SARL. All rights reserved.
This file is part of CycloneCrypto Open.
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Description
The Cipher Block Chaining (CBC) mode is a confidentiality mode whose encryption process features the combining of the plaintext blocks with the previous ciphertext blocks. The CBC mode requires an IV to combine with the first plaintext block. Refer to SP 800-38A for more details
- Version:
- 1.7.6
Definition in file cipher_mode_cbc.c.
Function Documentation
| error_t cbcDecrypt | ( | const CipherAlgo * | cipher, |
| void * | context, | ||
| uint8_t * | iv, | ||
| const uint8_t * | c, | ||
| uint8_t * | p, | ||
| size_t | length | ||
| ) |
CBC decryption.
- Parameters:
-
[in] cipher Cipher algorithm [in] context Cipher algorithm context [in,out] iv Initialization vector [in] c Ciphertext to be decrypted [out] p Plaintext resulting from the decryption [in] length Total number of data bytes to be decrypted
- Returns:
- Error code
Definition at line 105 of file cipher_mode_cbc.c.
| error_t cbcEncrypt | ( | const CipherAlgo * | cipher, |
| void * | context, | ||
| uint8_t * | iv, | ||
| const uint8_t * | p, | ||
| uint8_t * | c, | ||
| size_t | length | ||
| ) |
CBC encryption.
- Parameters:
-
[in] cipher Cipher algorithm [in] context Cipher algorithm context [in,out] iv Initialization vector [in] p Plaintext to be encrypted [out] c Ciphertext resulting from the encryption [in] length Total number of data bytes to be encrypted
- Returns:
- Error code
Definition at line 60 of file cipher_mode_cbc.c.
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1.7.2