/// <summary>
/// Authenticate the device.
/// </summary>
/// <param name="lockDisk">Whether to try to obtain exclusive lock on the disk.</param>
/// <returns>The result of the authentication attempt.</returns>
public AuthenticationResult Authenticate(bool lockDisk)
{
if (!disk.IsOkForCheck())
{
return(AuthenticationResult.UnsupportedDiskState);
}
if (lockDisk)
{
if (!disk.Lock())
{
throw new IOException("Failed to lock disk.");
}
}
try
{
ResetSession(); // Exits authentication process in case previous attempt was cut short
int tries = 5;
while (tries > 0)
{
if (EnterHealthReportMode())
{
break;
}
--tries;
}
if (tries == 0)
{
return(AuthenticationResult.FailedToEnterHealthReportMode);
}
byte controllerType;
try
{
controllerType = GetControllerType(); // Note this is required prior to beginning authentication
}
catch
{
return(AuthenticationResult.FailedToGetControllerType);
}
return(DoAuthenticate(controllerType) ? AuthenticationResult.Successful : AuthenticationResult.FailedToAuthenticate);
}
finally
{
if (lockDisk)
{
disk.Unlock();
}
}
}