| 摘要 |
A system is provided for managing data at an Internet server, using an encryption/decryption program (33) requiring a key. Separate components of the key are created and stored at distributed locations, such as at client user stations (15). Each time encryption or decryption of data at the server is required the separate components are accessed and combined to form the key for use with the program (33). In some cases keys components are derived from one or both of a client's username and password, and passed back and forth as portions of a navigation cookie.
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