Cryptographic alias e-mail addresses for privacy enforcement in business outsourcing

Authors:
Masahisa Kawashima;Tsuyoshi Abe;Satoshi Minamoto;Tetsuya Nakagawa
Affiliations:
Nippon Telegraph and Telephone Corp., Tokyo, JAPAN;Nippon Telegraph and Telephone Corp., Tokyo, JAPAN;Nippon Telegraph and Telephone Corp., Tokyo, JAPAN;Nippon Telegraph and Telephone Corp., Tokyo, JAPAN
Venue:
Proceedings of the 2005 workshop on Digital identity management
Year:
2005

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Abstract

This paper proposes a method of anonymizing e-mail addresses for privacy enforcement in business outsourcing. By means of a cryptographic encoding scheme, the method generates an alias address containing a tracking ID for traceability and revocation. This feature helps an enterprise identify leakage path and revoke a cluster of leaked alias addresses in case of an address leakage incident.