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https://github.com/RetroShare/RetroShare.git
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44 lines
2.5 KiB
C
44 lines
2.5 KiB
C
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/*******************************************************************************
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* libretroshare/src/util: rsaes.h *
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* *
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* libretroshare: retroshare core library *
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* *
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* Copyright 2013-2013 Cyril Soler <csoler@users.sourceforge.net> *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* License, or (at your option) any later version. *
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* *
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* This program 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 *
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* GNU Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with this program. If not, see <https://www.gnu.org/licenses/>. *
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* *
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*******************************************************************************/
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#include <stdint.h>
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class RsAES
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{
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public:
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// Crypt/decrypt data using a 16 bytes key and a 8 bytes salt.
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//
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// output_data allocation is left to the client. The size should be at least RsAES::get_buffer_size(input_data_length)
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//
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// Return value:
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// true: encryption/decryption ok
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//
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// false: encryption/decryption went bad. Check buffer size.
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//
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static bool aes_crypt_8_16(const uint8_t *input_data,uint32_t input_data_length,uint8_t key[16],uint8_t salt[8],uint8_t *output_data,uint32_t& output_data_length) ;
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static bool aes_decrypt_8_16(const uint8_t *input_data,uint32_t input_data_length,uint8_t key[16],uint8_t salt[8],uint8_t *output_data,uint32_t& output_data_length) ;
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// computes the safe buffer size to store encrypted/decrypted data for the given input stream size
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//
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static uint32_t get_buffer_size(uint32_t size) ;
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};
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