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des3.c File Reference

des3.c File Reference

Triple DES (Triple Data Encryption Algorithm) More...

Go to the source code of this file.

Functions

error_t des3Init (Des3Context *context, const uint8_t *key, size_t keyLength)
 Initialize a Triple DES context using the supplied key.
void des3EncryptBlock (Des3Context *context, const uint8_t *input, uint8_t *output)
 Encrypt a 8-byte block using Triple DES algorithm.
void des3DecryptBlock (Des3Context *context, const uint8_t *input, uint8_t *output)
 Decrypt a 8-byte block using Triple DES algorithm.

Detailed Description

Triple DES (Triple Data Encryption Algorithm)

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

Triple DES is an encryption algorithm designed to encipher and decipher blocks of 64 bits under control of a 192-bit key. Refer to FIPS 46-3 for more details

Author:
Oryx Embedded SARL (www.oryx-embedded.com)
Version:
1.7.6

Definition in file des3.c.


Function Documentation

void des3DecryptBlock ( Des3Context context,
const uint8_t *  input,
uint8_t *  output 
)

Decrypt a 8-byte block using Triple DES algorithm.

Parameters:
[in]contextPointer to the Triple DES context
[in]inputCiphertext block to decrypt
[out]outputPlaintext block resulting from decryption

Definition at line 133 of file des3.c.

void des3EncryptBlock ( Des3Context context,
const uint8_t *  input,
uint8_t *  output 
)

Encrypt a 8-byte block using Triple DES algorithm.

Parameters:
[in]contextPointer to the Triple DES context
[in]inputPlaintext block to encrypt
[out]outputCiphertext block resulting from encryption

Definition at line 115 of file des3.c.

error_t des3Init ( Des3Context context,
const uint8_t *  key,
size_t  keyLength 
)

Initialize a Triple DES context using the supplied key.

Parameters:
[in]contextPointer to the Triple DES context to initialize
[in]keyPointer to the key
[in]keyLengthLength of the key
Returns:
Error code

Definition at line 69 of file des3.c.