Abstract
A new access control scheme for the growth of users and files in file protection systems is proposed. Our scheme associates each user with a user key and each file with a file key. For each key, there are some corresponding locks, that can be extracted from a nonsingular matrix. Through simple operations on keys and locks, privacy decisions of the protection system can easily be revealed. Furthermore, by employing our method, whenever a new user or file is joined, the corresponding key values and lock values will be determined immediately without changing any previously defined keys and locks.
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Jan, J.K., Chang, C.C. A key-lock-pair oriented access control scheme for the growth of users and files. BIT 33, 382–389 (1993). https://doi.org/10.1007/BF01990521
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DOI: https://doi.org/10.1007/BF01990521