Tamias: A Privacy Aware Distributed Storage
Jean Lorchat , Cristel Pelsser , Randy Bush and Keiichi Shima
Abstract
In this paper we present Tamias, a new distributed storage system. Tamias has identity and privacy at its core and builds upon it to bring fine-grained sharing features, delegation and revocation. It is can be used upon any lowlevel distributed storage that has full encryption outside the client. An identity is defined by a public-key that is circulated by the user among other users to introduce himself. In such a situation, introduction is an important step, and out-of-band is always going to be the safest bet. However, we also defined several optional in-band introduction mechanisms. Users can publish information about themselves, solicit other users with a self-introduction, and recommend users they trust to a third party. Finally, using public-key cryptography mechanisms, they can establish secure communication channels that allow to share objects safely within the Tamias storage system. Such a storage is a key piece of technology required by anyone who is privacy conscious, wants to make private online backups, or who is generally worried about Cloud-like online systems taking away their personal data.
Publication Details
- Publication Type
- poster
- Publication Date
- February 2011
- Published In
- FAST'2011 Poster
- Publisher
- USENIX Association
- Location
- San Jose, CA, USA
- External Link
- https://www.usenix.org/legacy/events/fast11/
BibTeX Citation
@poster{Lorchat2011a,
title = {Tamias: A Privacy Aware Distributed Storage},
author = {Jean Lorchat and Cristel Pelsser and Randy Bush and Keiichi Shima},
year = 2011,
month = feb,
booktitle = {FAST'2011 Poster},
publisher = {USENIX Association},
address = {San Jose, CA, USA},
url = {https://www.usenix.org/legacy/events/fast11/},
abstract = {In this paper we present Tamias, a new distributed storage system. Tamias has identity and privacy at its core and builds upon it to bring fine-grained sharing features, delegation and revocation. It is can be used upon any lowlevel distributed storage that has full encryption outside the client. An identity is defined by a public-key that is circulated by the user among other users to introduce himself. In such a situation, introduction is an important step, and out-of-band is always going to be the safest bet. However, we also defined several optional in-band introduction mechanisms. Users can publish information about themselves, solicit other users with a self-introduction, and recommend users they trust to a third party. Finally, using public-key cryptography mechanisms, they can establish secure communication channels that allow to share objects safely within the Tamias storage system. Such a storage is a key piece of technology required by anyone who is privacy conscious, wants to make private online backups, or who is generally worried about Cloud-like online systems taking away their personal data.},
groups = {Posters},
keywords = {privacy, user identity, user introduction, distributed storage, document sharing}
}
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