CryptoCache: A Secure Sharable File Cache for Roaming Users

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review


    Small mobile computers are now sufficiently powerful to run many applications, but storage capacity remains limited so working files cannot be cached or stored locally. Even if files can be stored locally, the mobile device is not powerful enough to act as server in collaborations with other users. Conventional distributed file systems cache everything locally or not at all; there is no possibility to cache files on nearby nodes.In this paper we present the design of a secure cache system called CryptoCache that allows roaming users to cache files on untrusted file hosting servers. The system allows flexible sharing of cached files among unauthenticated users, i.e. unlike most distributed file systems CryptoCache does not require a global authentication framework.Files are encrypted when they are transferred over the network and while stored on untrusted servers. The system uses public key cryptography, which allows roaming users to selectively grant read and write access to others by entrusting them with respectively the public key or the private key.
    Original languageEnglish
    Title of host publication9th ACM SIGOPS European Workshop
    Publication date2000
    Publication statusPublished - 2000
    Event9th ACM SIGOPS European Workshop -
    Duration: 1 Jan 2000 → …


    Conference9th ACM SIGOPS European Workshop
    Period01/01/2000 → …


    Dive into the research topics of 'CryptoCache: A Secure Sharable File Cache for Roaming Users'. Together they form a unique fingerprint.

    Cite this