Invention Grant
- Patent Title: Protection of a calculation against side-channel attacks
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Application No.: US15354016Application Date: 2016-11-17
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Publication No.: US10263768B2Publication Date: 2019-04-16
- Inventor: Yannick Teglia
- Applicant: STMicroelectronics (Rousset) SAS
- Applicant Address: FR Rousset
- Assignee: STMicroelectronics (Rousset) SAS
- Current Assignee: STMicroelectronics (Rousset) SAS
- Current Assignee Address: FR Rousset
- Agency: Seed IP Law Group LLP
- Priority: FR1358271 20130829
- Main IPC: H04L9/06
- IPC: H04L9/06 ; H04L9/00 ; H04L9/08 ; H04L9/30
Abstract:
A method for protecting a ciphering algorithm executing looped operations on bits of a first quantity and on a first variable initialized by a second quantity, wherein, for each bit of the first quantity, a random number is added to the state of this bit to update a second variable maintained between two thresholds.
Public/Granted literature
- US20170070341A1 PROTECTION OF A CALCULATION AGAINST SIDE-CHANNEL ATTACKS Public/Granted day:2017-03-09
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