QByteArray File::hashFile(QByteArray contents, int blockSize, QMap<QByteArray, QByteArray> *hashToBlock,
QMap<QByteArray, QByteArray> *blockToHash) {
QByteArray result;
while (contents.size() != 0) {
QByteArray block = contents.left(blockSize);
qDebug() << "computed block of size " << block.size();
if (!QCA::isSupported("sha256")) {
qDebug() << "SHA256 not supported!";
}
QCA::Hash shaHash("sha256");
QByteArray blockHash = shaHash.hash(block).toByteArray();
hashToBlock->insert(blockHash, block);
blockToHash->insert(block, blockHash);
result.append(blockHash);
if (blockSize > contents.size())
return result;
contents = contents.mid(blockSize);
}
return result;
}
QByteArray Authentication::saltHashPassword(const std::string &password, const QByteArray &salt) const
{
QCA::Hash shaHash("sha1");
shaHash.update(password.c_str(), password.size());
for (int i = 0; i < SALT_ITERATIONS; i++) {
shaHash.update(salt);
}
return shaHash.final().toByteArray();
}
QByteArray QCACryptoInterface::sha2Hash(const QByteArray &string) const
{
QCA::Hash shaHash("sha256");
shaHash.update(string);
return shaHash.final().toByteArray();
}
