private async void ProtectedAccessSuspending(object sender, ProtectedAccessSuspendingEventArgs args)
{
string logFileContent = "";
Windows.Foundation.Deferral deferal = args.GetDeferral();
// Protect any sensitive data in Memory so that it cannot be accessed while the device is locked
// You should encrypt or destory any copies of sensitve data while device is going to a locked state.
IBuffer inputBuffer = CryptographicBuffer.ConvertStringToBinary(m_SecretMessage,
BinaryStringEncoding.Utf8);
BufferProtectUnprotectResult procBuffer = await DataProtectionManager.ProtectAsync(inputBuffer, m_EnterpriseID);
m_protectedBuffer = procBuffer.Buffer;
deferal.Complete();
m_areKeysDropped = true;
var settings = ApplicationData.Current.LocalSettings;
settings.Values[m_taskName] += "\nApp got DPL suspend event";
StorageFolder localFolder = Windows.Storage.ApplicationData.Current.LocalFolder;
StorageFile logFile = await localFolder.CreateFileAsync("SuspendLog.txt",
CreationCollisionOption.OpenIfExists);
logFileContent += "\r\n" + DateTime.Now + ":" + "Got DPL Protected Suspended";
logFileContent += "\r\n" + "Protection Status:" + procBuffer.ProtectionInfo.Status;
await FileIO.AppendTextAsync(logFile, logFileContent);
}
private async void ProtectedAccessSuspending(object sender, ProtectedAccessSuspendingEventArgs args)
{
string logFileContent = "";
Windows.Foundation.Deferral deferal = args.GetDeferral();
// Protect any sensitive data in Memory so that it cannot be accessed while the device is locked
// You should encrypt or destory any copies of sensitve data while device is going to a locked state.
IBuffer inputBuffer = CryptographicBuffer.ConvertStringToBinary(m_SecretMessage,
BinaryStringEncoding.Utf8);
BufferProtectUnprotectResult procBuffer = await DataProtectionManager.ProtectAsync(inputBuffer, m_EnterpriseID);
m_protectedBuffer = procBuffer.Buffer;
deferal.Complete();
m_areKeysDropped = true;
var settings = ApplicationData.Current.LocalSettings;
settings.Values[m_taskName] += "\nApp got DPL suspend event";
StorageFolder localFolder = Windows.Storage.ApplicationData.Current.LocalFolder;
StorageFile logFile = await localFolder.CreateFileAsync("SuspendLog.txt",
CreationCollisionOption.OpenIfExists);
logFileContent += "\r\n" + DateTime.Now + ":" + "Got DPL Protected Suspended";
logFileContent += "\r\n" + "Protection Status:" + procBuffer.ProtectionInfo.Status;
await FileIO.AppendTextAsync(logFile, logFileContent);
}
