发明申请
US20130129081A1 LOW-COMPLEXITY ELECTRONIC CIRCUIT PROTECTED BY CUSTOMIZED MASKING
有权
通过自定义掩蔽保护的低复杂电子电路
- 专利标题： LOW-COMPLEXITY ELECTRONIC CIRCUIT PROTECTED BY CUSTOMIZED MASKING
- 专利标题（中）： 通过自定义掩蔽保护的低复杂电子电路
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申请号： US13509494申请日： 2010-11-08
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公开(公告)号： US20130129081A1公开(公告)日： 2013-05-23
- 发明人: Sylvain Guillet , Jean-Luc Danger
- 申请人： Sylvain Guillet , Jean-Luc Danger
- 申请人地址： FR PARIS
- 专利权人： INSTITUT TELECOM-TELECOM PARISTECH
- 当前专利权人： INSTITUT TELECOM-TELECOM PARISTECH
- 当前专利权人地址： FR PARIS
- 优先权： FR0958030 20091113
- 国际申请： PCT/EP10/67064 WO 20101108
- 主分类号： H04L9/28
- IPC分类号： H04L9/28
摘要：
A cryptography circuit protected by masking, said circuit including means for encrypting binary words using at least one key krc, means for applying linear processing operations and nonlinear processing operations to said words and means for masking said words. The binary words are unmasked upstream of the nonlinear processing operations by using a mask kri and masked downstream of said processing operations by using a mask kr+1i, the masks kri and kr+1i being chosen from a set of masks that is specific to each instance of the circuit.
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