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Mei Yan, Chieh Hao Yang, Junzhi Wang, Paul McAvoy, Bahman Qawami, Farshid Sabet Sharghi, Patricia Dwyer, Po Yuan: File system filter authentication. Vierra Magen Sandisk Corporation, June 25, 2009: US20090164779-A1

A software entity on a host device attempting to access protected content in a secure memory device must be authenticated using a challenge/response authentication mechanism before the secure file system can be accessed. A file system filter determines whether requested content is protected. If the ...


22
Robert Chin Tse Chang, Henry Ricardo Hutton, Farshid Sabet Sharghi, Haluk Kent Tanik, Ron Barzilai, Meytal Soffer, Mei Yan, Patricia Dwyer, Po Yuan, Bahman Qawami: Media card command pass through methods. SanDisk Technologies, March 15, 2012: US20120066412-A1

Methods for transmitting application specific or extended commands between a host and a memory card are disclosed. Commands for an extended card protocol are embedded in messages, along with a marker, in the data or command portion of a base card transmission protocol that is used to communicate bet ...