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A Revocable Backup System
Dan Boneh and Richard J. Lipton, Princeton University
We present a system which enables a user to remove a file from both the file system and all the backup tapes on which the file is stored. The ability to remove files from all backup tapes is desirable in many cases. Our system erases information from the backup tape without actually writing on the tape. This is achieved by applying cryptography in a new way: a block cipher is used to enable the system to "forget" information rather than protect it. Our system is easy to install and is transparent to the end user. Further, it introduces no slowdown in system performance and little slowdown in the backup procedure.
BibTeX
@inproceedings {260636,
author = {Dan Boneh and Richard J. Lipton},
title = {A Revocable Backup System},
booktitle = {6th USENIX Security Symposium (USENIX Security 96)},
year = {1996},
address = {San Jose, CA},
url = {https://www.usenix.org/conference/6th-usenix-security-symposium/revocable-backup-system},
publisher = {USENIX Association},
month = jul
}
author = {Dan Boneh and Richard J. Lipton},
title = {A Revocable Backup System},
booktitle = {6th USENIX Security Symposium (USENIX Security 96)},
year = {1996},
address = {San Jose, CA},
url = {https://www.usenix.org/conference/6th-usenix-security-symposium/revocable-backup-system},
publisher = {USENIX Association},
month = jul
}