pairing stuff

nvpairingmanager.cpp

@@ -0,0 +1,67 @@
+#include "nvpairingmanager.h"
+
+#include <QRandomGenerator>
+
+#include <openssl/aes.h>
+
+NvPairingManager::NvPairingManager(QString address) :
+    m_Http(address)
+{
+
+}
+
+QString
+NvPairingManager::generatePinString()
+{
+    return QString::number(QRandomGenerator::global()->bounded(10000));
+}
+
+QByteArray
+NvPairingManager::generateRandomBytes(int length)
+{
+    QByteArray array(length);
+
+    for (int i = 0; i < length; i++)
+    {
+        array.data()[i] = static_cast<char>(QRandomGenerator::global()->bounded(256));
+    }
+
+    return array;
+}
+
+QByteArray
+NvPairingManager::saltPin(QByteArray salt, QString pin)
+{
+    return QByteArray().append(salt).append(pin.toStdString().c_str());
+}
+
+NvPairingManager::PairState
+NvPairingManager::pair(QString serverInfo, QString pin)
+{
+    int serverMajorVersion = m_Http.getServerVersionQuad(serverInfo).at(0);
+    qDebug() << "Pairing with server generation: " << serverMajorVersion;
+
+    QCryptographicHash::Algorithm hashAlgo;
+    if (serverMajorVersion >= 7)
+    {
+        // Gen 7+ uses SHA-256 hashing
+        hashAlgo = QCryptographicHash::Sha256;
+    }
+    else
+    {
+        // Prior to Gen 7 uses SHA-1 hashing
+        hashAlgo = QCryptographicHash::Sha1;
+    }
+
+    QByteArray salt = generateRandomBytes(16);
+    QByteArray saltedPin = saltPin(salt, pin);
+
+    AES_KEY encKey, decKey;
+    AES_set_decrypt_key(QCryptographicHash::hash(saltedPin, hashAlgo).data(), 128, &decKey);
+    AES_set_encrypt_key(QCryptographicHash::hash(saltedPin, hashAlgo).data(), 128, &encKey);
+
+    QString getCert = m_Http.openConnectionToString(m_Http.m_BaseUrlHttp,
+                                                    "pair",
+                                                    "&devicename=roth&updateState=1&phrase=getservercert&salt=" +
+                                                    salt.toHex() + "&clientcert=" + )
+}