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    • 1. 发明申请
    • System and method for multiple users to securely access encrypted data on computer system
    • 多用户安全访问计算机系统上加密数据的系统和方法
    • US20050114686A1
    • 2005-05-26
    • US10718786
    • 2003-11-21
    • Charles BallRyan CathermanPhilip ChildsJames HoffAndy Trotter
    • Charles BallRyan CathermanPhilip ChildsJames HoffAndy Trotter
    • G06F21/00H04L9/08H04L9/32
    • G06F21/78G06F2221/2107H04L9/083H04L9/0894H04L9/14H04L9/3213
    • A method and system for encrypting non-volatile storage regions, such as volumes, accessible by multiple users. A plurality of non-volatile storage regions is encrypted each with a different encryption key. A subset of the encryption keys is made available to each user thereby granting the user access to a corresponding subset of non-volatile storage regions. To protect a user's encryption keys, a private-public encryption key pair is generated, the private key being made available only to that user. The subset of the user's encryption keys is encrypted using the user's public encryption key. The users' private keys can be stored in a secure encryption module and can be protected with a password. Upon authenticating a user, the corresponding encryption keys may be provided to the user after decrypting the encryption keys using the user's private key. The contents of the non-volatile storage regions are then decrypted using the encryption keys.
    • 用于加密多个用户可访问的非易失性存储区域(例如卷)的方法和系统。 多个非易失性存储区域用不同的加密密钥加密。 加密密钥的子集可用于每个用户,从而授予用户对非易失性存储区域的对应子集的访问。 为了保护用户的加密密钥,生成私有 - 公共加密密钥对,私钥仅对该用户可用。 用户的加密密钥的子集是使用用户的公开加密密钥加密的。 用户的私钥可以存储在安全的加密模块中,并且可以用密码进行保护。 在对用户进行认证之后,可以在使用用户的私钥解密加密密钥之后,向用户提供对应的加密密钥。 然后使用加密密钥解密非易失性存储区域的内容。