From Microsoft The Intune App SDK will support 256-bit encryption keys The Intune App SDK for Android now uses 256-bit encryption keys when encryption is enabled by App Protection Policies. The SDK will continue to provide support of 128-bit keys for compatibility with content and apps that use older SDK versions. I’ve heard of so many people who work in the very super secure area asking about this for awhile, it is good to see Microsoft getting even more behind security. With so many companies looking at FEDramp, this looks like a no brainer.