1
Michael Lambertus Hubertus Brouwer, Mitchell David Adler: System and method for content protection based on a combination of a user pin and a device specific identifier. Apple, Downey Brand, March 15, 2016: US09288047 (25 worldwide citation)

Disclosed herein are systems, methods, and non-transitory computer-readable storage media for encryption and key management. The method includes encrypting each file on a computing device with a unique file encryption key, encrypting each unique file encryption key with a corresponding class encrypt ...


2
Michael Lambertus Hubertus Brouwer, Mitchell David Adler: System and method for content protection based on a combination of a user PIN and a device specific identifier. Apple, Downey Brand, March 6, 2018: US09912476

Disclosed herein are systems, methods, and non-transitory computer-readable storage media for encryption and key management. The method includes encrypting each file on a computing device with a unique file encryption key, encrypting each unique file encryption key with a corresponding class encrypt ...


3
Michael Lambertus Hubertus Brouwer, Mitchell David Adler: System and method for content protection based on a combination of a user pin and a device specific identifier. Apple, October 13, 2011: US20110252243-A1

Disclosed herein are systems, methods, and non-transitory computer-readable storage media for encryption and key management. The method includes encrypting each file on a computing device with a unique file encryption key, encrypting each unique file encryption key with a corresponding class encrypt ...


4
SYSTEM AND METHOD FOR CONTENT PROTECTION BASED ON A COMBINATION OF A USER PIN AND A DEVICE SPECIFIC IDENTIFIER. Apple, January 1, 2015: US20150006907-A1

Disclosed herein are systems, methods, and non-transitory computer-readable storage media for encryption and key management. The method includes encrypting each file on a computing device with a unique file encryption key, encrypting each unique file encryption key with a corresponding class encrypt ...


5
SYSTEM AND METHOD FOR CONTENT PROTECTION BASED ON A COMBINATION OF A USER PIN AND A DEVICE SPECIFIC IDENTIFIER. November 10, 2016: US20160330024-A1

Disclosed herein are systems, methods, and non-transitory computer-readable storage media for encryption and key management. The method includes encrypting each file on a computing device with a unique file encryption key, encrypting each unique file encryption key with a corresponding class encrypt ...


6
SYSTEM AND METHOD FOR CONTENT PROTECTION BASED ON A COMBINATION OF A USER PIN AND A DEVICE SPECIFIC IDENTIFIER. August 23, 2018: US20180241556-A1

Disclosed herein are systems, methods, and non-transitory computer-readable storage media for encryption and key management. The method includes encrypting each file on a computing device with a unique file encryption key, encrypting each unique file encryption key with a corresponding class encrypt ...