53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/*
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Cubesat Space Protocol - A small network-layer protocol designed for Cubesats
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Copyright (C) 2012 GomSpace ApS (http://www.gomspace.com)
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Copyright (C) 2012 AAUSAT3 Project (http://aausat3.space.aau.dk)
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _CSP_XTEA_H_
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#define _CSP_XTEA_H_
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define CSP_XTEA_IV_LENGTH 8
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/**
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* XTEA encrypt byte array
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* @param plain Pointer to plain text
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* @param len Length of plain text
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* @param iv Initialization vector
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*/
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int csp_xtea_encrypt(uint8_t * plain, const uint32_t len, uint32_t iv[2]);
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/**
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* Decrypt XTEA encrypted byte array
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* @param cipher Pointer to cipher text
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* @param len Length of plain text
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* @param iv Initialization vector
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*/
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int csp_xtea_decrypt(uint8_t * cipher, const uint32_t len, uint32_t iv[2]);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif // _CSP_XTEA_H_
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