发明授权
US07949883B2 Cryptographic CPU architecture with random instruction masking to thwart differential power analysis
有权
具有随机指令掩码的加密CPU架构,以阻止差分功率分析
- 专利标题: Cryptographic CPU architecture with random instruction masking to thwart differential power analysis
- 专利标题(中): 具有随机指令掩码的加密CPU架构,以阻止差分功率分析
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申请号: US10864568申请日: 2004-06-08
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公开(公告)号: US07949883B2公开(公告)日: 2011-05-24
- 发明人: David B. Shu , Lap-Wai Chow , William M. Clark, Jr.
- 申请人: David B. Shu , Lap-Wai Chow , William M. Clark, Jr.
- 申请人地址: US CA Malibu
- 专利权人: HRL Laboratories, LLC
- 当前专利权人: HRL Laboratories, LLC
- 当前专利权人地址: US CA Malibu
- 代理机构: Ladas & Parry
- 主分类号: G06F11/30
- IPC分类号: G06F11/30 ; G06F12/14
摘要:
An apparatus and method for preventing information leakage attacks that utilize timeline alignment. The apparatus and method inserts a random number of instructions into an encryption algorithm such that the leaked information can not be aligned in time to allow an attacker to break the encryption.