Invention Grant
- Patent Title: Secure replay protected storage
- Patent Title (中): 安全重放保护存储
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Application No.: US13997896Application Date: 2011-12-20
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Publication No.: US09405707B2Publication Date: 2016-08-02
- Inventor: Nitin V. Sarangdhar , William A. Stevens, Jr. , John J. Vranich
- Applicant: Nitin V. Sarangdhar , William A. Stevens, Jr. , John J. Vranich
- Applicant Address: US CA Santa Clara
- Assignee: Intel Corporation
- Current Assignee: Intel Corporation
- Current Assignee Address: US CA Santa Clara
- Agency: Blakely, Sokoloff, Taylor & Zafman LLP
- International Application: PCT/US2011/066188 WO 20111220
- International Announcement: WO2013/095387 WO 20130627
- Main IPC: G06F11/30
- IPC: G06F11/30 ; G06F12/14 ; G06F13/14

Abstract:
Embodiments of the invention create an underlying infrastructure in a flash memory device (e.g., a serial peripheral interface (SPI) flash memory device) such that it may be protected against user attacks—e.g., replacing the SPI flash memory device or a man-in-the-middle (MITM) attack to modify the SPI flash memory contents on the fly. In the prior art, monotonic counters cannot be stored in SPI flash memory devices because said devices do not provide replay protection for the counters. A user may also remove the flash memory device and reprogram it. Host platforms alone cannot protect against such hardware attacks.Embodiments of the invention enable secure standard storage flash memory devices such as SPI flash memory devices to achieve replay protection for securely stored data. Embodiments of the invention utilize flash memory controllers, flash memory devices, unique device keys and HMAC key logic to create secure execution environments for various components.
Public/Granted literature
- US20140223198A1 SECURE REPLAY PROTECTED STORAGE Public/Granted day:2014-08-07
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