发明申请
- 专利标题： Update System for Cipher System
- 专利标题（中）： 密码系统更新系统
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申请号： US10592762申请日： 2005-03-08
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公开(公告)号： US20080235517A1公开(公告)日： 2008-09-25
- 发明人: Motoji Ohmori , Natsume Matsuzaki , Toshihisa Nakano
- 申请人： Motoji Ohmori , Natsume Matsuzaki , Toshihisa Nakano
- 优先权： JP2004-100072 20040330
- 国际申请： PCT/JP05/03993 WO 20050308
- 主分类号： H04L9/14
- IPC分类号： H04L9/14 ; G06F15/177 ; G06F12/14
摘要：
There is a demand for a device handling information with the use of encryption technology to safely and simply update the encryption schemes. The present invention offers an information security device having a plurality of encryption schemes and handling information safely and reliably, characterized by selecting one of the plurality of encryption schemes as an application encryption scheme and installing a different encryption scheme from the plurality of encryption schemes based on the application encryption scheme.
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