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Use accelerated hashing for verification

Browse source 
Modern CPUs have special instructions to accelerate computing
SHA hashes.
The Qt QCryptographicHash code is standard C, so not taking
advantage of those though.
Outsource the hashing to OpenSSL that does.

Shaves off some seconds during verification stage.
This commit is contained in:
Floris Bos 2020-05-23 17:50:59 +02:00
parent 2c5432fe7f
commit 8048b5e47c
6 changed files with 73 additions and 7 deletions
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4
downloadthread.h
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@ -9,12 +9,12 @@
#include <QString>
#include <QThread>
#include <QFile>
#include <QCryptographicHash>
#include <QElapsedTimer>
#include <fstream>
#include <atomic>
#include <time.h>
#include <curl/curl.h>
#include "acceleratedcryptographichash.h"
#ifdef Q_OS_WIN
#include "windows/winfile.h"
@ -172,7 +172,7 @@ protected:
#endif
QFile _cachefile;
QCryptographicHash _writehash, _verifyhash;
AcceleratedCryptographicHash _writehash, _verifyhash;
};
#endif // DOWNLOADTHREAD_H