Invention Grant
- Patent Title: Cryptographic method protected against covert channel type attacks
- Patent Title (中): 密码方法防范隐蔽通道类型攻击
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Application No.: US10509876Application Date: 2003-04-03
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Publication No.: US07742595B2Publication Date: 2010-06-22
- Inventor: Marc Joye , Benoit Chevallier-Mames
- Applicant: Marc Joye , Benoit Chevallier-Mames
- Applicant Address: FR Meudon
- Assignee: Gemalto SA
- Current Assignee: Gemalto SA
- Current Assignee Address: FR Meudon
- Agency: Buchanan, Ingersoll & Rooney, PC
- Priority: FR0204117 20020403
- International Application: PCT/FR03/01058 WO 20030403
- International Announcement: WO03/083645 WO 20031009
- Main IPC: H04L9/28
- IPC: H04L9/28 ; H04K1/00
Abstract:
The invention relates to a cryptographic method secured against a covert channel attack. According to the invention, in order to carry out a selected block of instructions as a function of an input variable amongst N predefined instruction blocks, a common block is carried out on the predefined N instruction blocks, a predefined number of times, the predefined number being associated with the selected instruction block.
Public/Granted literature
- US20050163312A1 Cryptographic method protected against covert channel type attacks Public/Granted day:2005-07-28
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