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added crypto functions and msg sending/receiving for private distant chat

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git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.5-GenericTunneling@6299 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
csoler 2013-04-08 21:25:32 +00:00
parent cd2d702e44
commit e9a51455eb
6 changed files with 254 additions and 38 deletions
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8
libretroshare/src/util/rsaes.h
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@ -25,12 +25,12 @@
#include <stdint.h>
class RsAes
class RsAES
{
public:
// Crypt/decrypt data using a 16 bytes key and a 8 bytes salt.
//
// output_data allocation is left to the client. The size should be at least input_data_length+16 bytes.
// output_data allocation is left to the client. The size should be at least RsAES::get_buffer_size(input_data_length)
//
// Return value:
// true: encryption/decryption ok
@ -39,5 +39,9 @@ class RsAes
//
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) ;
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) ;
// computes the safe buffer size to store encrypted/decrypted data for the given input stream size
//
static uint32_t get_buffer_size(uint32_t size) ;
};