发明授权
- 专利标题： Data processing apparatus, program, and method for testing a secured circuit and maintaining confidentiality of the circuit
- 专利标题（中）： 用于测试安全电路并保持电路机密性的数据处理装置，程序和方法
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申请号： US11289710申请日： 2005-11-30
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公开(公告)号： US07269529B2公开(公告)日： 2007-09-11
- 发明人: Masanobu Okabe , Masafumi Kusakawa , Kyoji Shibutani , Sumio Morioka , Asami Yoshida , Muneki Shimada , Shiho Moriai
- 申请人： Masanobu Okabe , Masafumi Kusakawa , Kyoji Shibutani , Sumio Morioka , Asami Yoshida , Muneki Shimada , Shiho Moriai
- 申请人地址： JP Tokyo JP Tokyo
- 专利权人： Sony Corporation,Sony Computer Entertainment Inc.
- 当前专利权人： Sony Corporation,Sony Computer Entertainment Inc.
- 当前专利权人地址： JP Tokyo JP Tokyo
- 代理机构： Rader, Fishman & Grauer PLLC
- 优先权： JP2004-350378 20041202
- 主分类号： G06F21/00
- IPC分类号： G06F21/00
摘要：
A data processing apparatus that tests whether a secure circuit is normal or not while maintaining confidentiality of the secured circuit is provided: wherein the secured circuit conducts a self-diagnostic test thereof in accordance with a self-diagnostic test start instruction signal from a CPU, and the secured circuit outputs a self-diagnostic test result signal indicating whether the secured circuit is normal or not to the CPU.
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