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    • 24. 发明申请
    • SYSTEM AND METHOD FOR REMOTE RESET OF PASSWORD AND ENCRYPTION KEY
    • 远程复位密码和加密密钥的系统和方法
    • US20070266258A1
    • 2007-11-15
    • US11383369
    • 2006-05-15
    • Michael BrownMichael BrownHerbert Little
    • Michael BrownMichael BrownHerbert Little
    • H04L9/00
    • H04L9/0822H04L9/0891H04L9/14H04L63/00H04L2209/24H04L2209/60
    • A method for securing data and resetting a password using a content protection key is provided, in which the content protection key itself is protected by a password. A content protection key is also protected at a data storage device with a key encryption key generated in collaboration with an additional device such as a server. The server stores a private key required to regenerate the key encryption key, but this private key is not provided from the server to the data storage device; rather, a public key derived from the private key is provided by the server. The data storage device combines the received public key and a further private key to derive the key encryption key; the further private key itself is not stored by the data storage device, but rather its matching public key is stored. The content protection key is then encrypted using a password and the derived key encryption key. If the password is lost, data from the server and from the data storage device may be combined to recreate the key encryption key.
    • 提供了一种使用内容保护密钥保护数据和重置密码的方法,其中内容保护密钥本身由密码保护。 在数据存储设备上还保护内容保护密钥,其中使用与诸如服务器的附加设备协作生成的密钥加密密钥。 服务器存储重新生成密钥加密密钥所需的专用密钥,但该私钥没有从服务器提供给数据存储设备; 相反,由私钥导出的公钥由服务器提供。 数据存储装置将接收到的公开密钥和另外的私钥组合以导出密钥加密密钥; 另外的私钥本身不被数据存储设备存储,而是存储其匹配的公钥。 然后使用密码和派生密钥加密密钥对内容保护密钥进行加密。 如果密码丢失,则来自服务器和数据存储设备的数据可以被组合以重新创建密钥加密密钥。