servatrice/common/passwordhasher.cpp
2022-01-16 17:58:53 -05:00

39 lines
1 KiB
C++

#include "passwordhasher.h"
#include "rng_sfmt.h"
#include <QCryptographicHash>
QString PasswordHasher::computeHash(const QString &password, const QString &salt)
{
QCryptographicHash::Algorithm algo = QCryptographicHash::Sha512;
const int rounds = 1000;
QByteArray hash = (salt + password).toUtf8();
for (int i = 0; i < rounds; ++i) {
hash = QCryptographicHash::hash(hash, algo);
}
QString hashedPass = salt + QString(hash.toBase64());
return hashedPass;
}
QString PasswordHasher::generateRandomSalt(const int len)
{
static const char alphanum[] = "0123456789"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz";
QString ret;
int size = sizeof(alphanum) - 1;
for (int i = 0; i < len; ++i) {
ret.append(alphanum[rng->rand(0, size)]);
}
return ret;
}
QString PasswordHasher::generateActivationToken()
{
return QCryptographicHash::hash(generateRandomSalt().toUtf8(), QCryptographicHash::Md5).toBase64().left(16);
}