发明授权
- 专利标题： Mutual authentication method, program, recording medium, signal processing system, reproduction device, and information processing device
- 专利标题（中）： 相互认证方法，程序，记录介质，信号处理系统，再现设备和信息处理设备
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申请号： US10505175申请日： 2003-12-18
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公开(公告)号： US07395429B2公开(公告)日： 2008-07-01
- 发明人: Satoshi Kitani , Katsumi Muramatsu
- 申请人： Satoshi Kitani , Katsumi Muramatsu
- 申请人地址： JP Tokyo
- 专利权人： Sony Corporation
- 当前专利权人： Sony Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
- 优先权： JP2003-006915 20030115
- 国际申请： PCT/JP03/16226 WO 20031218
- 国际公布： WO2004/064317 WO 20040729
- 主分类号： H04L9/00
- IPC分类号： H04L9/00 ; G06F11/30 ; H04L9/08 ; G09C5/00 ; G06T1/00 ; G11B20/10 ; G11B20/12
摘要：
An MKB and a device key 121 of a drive are input to a process MKB 122. The process MKB 122 performs a revoking process for the drive. A process MKB 132 performs a revoking process for a host 103. The host 103 compares MAC values calculated by MAC calculating blocks 123 and 133. When the host 103 has determined that the two values are the same, the host 103 has successfully authenticated the drive 102. The drive 102 compares MAC values calculated by MAC calculating blocks 134 and 124 of the host 103. When the drive 102 has determined that the two values are the same, the drive 102 has successfully authenticated the host 103. When the mutual authentication has been successfully performed, the MAC calculating blocks 125 and 135 generate a common session key.
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