This is really interesting! https://msdn.microsoft.com/en-us/library/dd924776(v=office.12).aspx https://msdn.microsoft.com/en-us/library/dd924776(v=office.1...

This is really interesting! https://msdn.microsoft.com/en-us/library/dd924776(v=office.12).aspx https://msdn.microsoft.com/en-us/library/dd924776(v=office.1... seems to be the spec for this. Though I wonder if any vulnerabilities to this type of password stretching scheme have been discovered in the years since.