mirror of
https://github.com/RetroShare/RetroShare.git
synced 2024-10-01 02:35:48 -04:00
5acc8411e5
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@2406 b45a01b8-16f6-495d-af2f-9b41ad6348cc
91 lines
1.7 KiB
C++
91 lines
1.7 KiB
C++
/*
|
|
* libretroshare/src/pqi: pqihash.h
|
|
*
|
|
* 3P/PQI network interface for RetroShare.
|
|
*
|
|
* Copyright 2008 by Robert Fernie.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License Version 2 as published by the Free Software Foundation.
|
|
*
|
|
* This library 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
|
|
* USA.
|
|
*
|
|
* Please report all bugs and problems to "retroshare@lunamutt.com".
|
|
*
|
|
*/
|
|
|
|
#include <openssl/sha.h>
|
|
#include <string>
|
|
#include <sstream>
|
|
#include <iomanip>
|
|
|
|
class pqihash
|
|
{
|
|
public:
|
|
pqihash()
|
|
{
|
|
|
|
sha_hash = new uint8_t[SHA_DIGEST_LENGTH];
|
|
memset(sha_hash,0,SHA_DIGEST_LENGTH*sizeof(uint8_t)) ;
|
|
sha_ctx = new SHA_CTX;
|
|
SHA1_Init(sha_ctx);
|
|
doHash = true;
|
|
}
|
|
|
|
~pqihash()
|
|
{
|
|
delete[] sha_hash;
|
|
delete sha_ctx;
|
|
}
|
|
|
|
|
|
void addData(void *data, uint32_t len)
|
|
{
|
|
if (doHash)
|
|
{
|
|
SHA1_Update(sha_ctx, data, len);
|
|
}
|
|
}
|
|
|
|
void Complete(std::string &hash)
|
|
{
|
|
if (!doHash)
|
|
{
|
|
hash = endHash;
|
|
return;
|
|
}
|
|
|
|
SHA1_Final(sha_hash, sha_ctx);
|
|
|
|
std::ostringstream out;
|
|
for(int i = 0; i < SHA_DIGEST_LENGTH; i++)
|
|
{
|
|
out << std::setw(2) << std::setfill('0') << std::hex;
|
|
out << (unsigned int) (sha_hash[i]);
|
|
}
|
|
endHash = out.str();
|
|
hash = endHash;
|
|
doHash = false;
|
|
|
|
return;
|
|
}
|
|
|
|
private:
|
|
|
|
bool doHash;
|
|
std::string endHash;
|
|
uint8_t *sha_hash;
|
|
SHA_CTX *sha_ctx;
|
|
};
|
|
|
|
|