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/*
* Copyright (c) 2010 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include "Swiften/StringCodecs/PBKDF2.h"
#include "Swiften/StringCodecs/HMACSHA1.h"
namespace Swift {
ByteArray PBKDF2::encode(const ByteArray& password, const ByteArray& salt, int iterations) {
ByteArray u = HMACSHA1::getResult(password, salt + ByteArray("\0\0\0\1", 4));
ByteArray result = u;
int i = 1;
while (i < iterations) {
u = HMACSHA1::getResult(password, u);
for (unsigned int j = 0; j < u.getSize(); ++j) {
result[j] ^= u[j];
}
++i;
}
return result;
}
}
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Swift