US 12,339,968 B2
Storage device and operating method of storage device
Younsung Chu, Yongin-si (KR); Jisoo Kim, Seongnam-si (KR); and Youngtak Noh, Daegu (KR)
Assigned to Samsung Electronics Co., Ltd., Gyeonggi-do (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Jun. 16, 2022, as Appl. No. 17/842,216.
Claims priority of application No. 10-2021-0159165 (KR), filed on Nov. 18, 2021.
Prior Publication US 2023/0153441 A1, May 18, 2023
Int. Cl. G06F 21/00 (2013.01); G06F 21/31 (2013.01); G06F 21/57 (2013.01); G06F 21/60 (2013.01); G06F 21/79 (2013.01)
CPC G06F 21/575 (2013.01) [G06F 21/31 (2013.01); G06F 21/602 (2013.01); G06F 21/79 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A storage device comprising:
a nonvolatile memory device configured to store booting data and user data; and
a memory controller including a first core, a second core, and one or more third cores, the one or more third cores configured to access the nonvolatile memory device based on commands from a second core group including the second core, the memory controller configured such that
in an initialization operation, the first core is configured to perform a first authentication on a first part of the booting data,
in response to the first authentication succeeding, the first core is configured to generate a device identifier, and the second core is configured to load the first part of the booting data and perform a first booting,
the first core is configured to perform second authentication on a second part of the booting data, and
in response to the second authentication succeeding, the first core is configured to generate a first certificate and a second certificate, and the second core is configured to load the second part of the booting data and to perform a second booting.