Inventors:
Samuel Y. Yu - San Francisco CA, US
Christopher S. Moore - San Jose CA, US
Jason S. Whetstone - Pleasanton CA, US
Ron Barzilai - Sunnyvale CA, US
Hironaga Ino - San Jose CA, US
Assignee:
SanDisk Technologies Inc. - Plano TX
International Classification:
G06F 12/00
Abstract:
These embodiments relate to authentication and securing of write-once, read-many (WORM) memory devices. In one embodiment, a memory device comprises a controller operable in first and second modes of operation after stored security information is validated, wherein in the first mode of operation, the memory device operates in a read-only mode, and wherein in the second mode of operation, the memory device operates in a write-once, read-many (WORM) mode. In another embodiment, the controller is operative to perform security methods.