US 9,811,478 B2
Self-encrypting flash drive
Ashwin Kamath, Cedar Park, TX (US); Paul E. Prince, Lago Vista, TX (US); and Trevor Smith, Austin, TX (US)
Assigned to Mangstor, Inc., Austin, TX (US)
Filed by Mangstor, Inc., Austin, TX (US)
Filed on Mar. 22, 2016, as Appl. No. 15/77,106.
Application 15/077,106 is a continuation of application No. 14/191,687, filed on Feb. 27, 2014, granted, now 9,304,941.
Prior Publication US 2016/0204931 A1, Jul. 14, 2016
This patent is subject to a terminal disclaimer.
Int. Cl. G06F 12/14 (2006.01); H04L 9/06 (2006.01); H04L 9/08 (2006.01); H04L 9/32 (2006.01); G06F 12/02 (2006.01)
CPC G06F 12/1408 (2013.01) [G06F 12/0246 (2013.01); H04L 9/0618 (2013.01); H04L 9/0637 (2013.01); H04L 9/0894 (2013.01); H04L 9/0897 (2013.01); H04L 9/3242 (2013.01); G06F 2212/1052 (2013.01); G06F 2212/2022 (2013.01); G06F 2212/402 (2013.01); G06F 2212/7201 (2013.01); G06F 2212/7207 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for storing data in a flash storage device to facilitate subsequent detection of tampering, comprising:
receiving a plaintext comprising user data;
reading first metadata associated with a sector of the flash storage device;
encrypting the plaintext based on the first metadata to generate a cipher text and first authentication data;
storing the cipher text in the sector of the flash storage device; and
storing the first authentication data as second metadata associated with the sector of the flash storage device.