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    • 2. 发明授权
    • Privacy management of personal data
    • 个人资料的隐私管理
    • US07398393B2
    • 2008-07-08
    • US10767868
    • 2004-01-28
    • Marco Casassa MontKeith Alexander HarrisonMartin SadlerSiani Lynne Pearson
    • Marco Casassa MontKeith Alexander HarrisonMartin SadlerSiani Lynne Pearson
    • H04L9/32
    • H04L63/0435H04L9/083H04L9/3073H04L63/062H04L2209/56H04L2209/68H04L2209/76
    • When sending personal data to a recipient, the data owner encrypts the data using both a public data item provided by a trusted party and an encryption key string formed using at least policy data indicative of conditions to be satisfied before access is given to the personal data. The encryption key string is typically also provided to the recipient along with the encrypted personal data. To decrypt the personal data, the recipient sends the encryption key string to the trusted party with a request for the decryption key. The trusted party determines the required decryption key using the encryption key string and private data used in deriving its public data, and provides it to the requesting recipient. However, the decryption key is either not determined or not made available until the trusted party is satisfied that the associated policy conditions have been met by the recipient.
    • 当向收件人发送个人数据时,数据所有者使用由受信任方提供的公共数据项和至少指示要在个人数据访问之前要满足的条件的策略数据形成的加密密钥串来加密数据 。 加密密钥字符串通常也与加密的个人数据一起提供给接收者。 为了解密个人数据,接收方通过请求解密密钥将加密密钥字符串发送给信任方。 可信方使用加密密钥串和用于导出其公共数据的私有数据来确定所需的解密密钥,并将其提供给请求的接收者。 然而,解密密钥在被信任方满足接收者已经满足相关联的策略条件之前,未被确定或不被提供。