Trustable Cloud Systems - Strategies and Recommendations

Document Type Expired Internet-Draft (individual)
Authors Cullen Jennings  , Suhas Nandakumar 
Last updated 2014-07-21 (latest revision 2014-01-15)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


The Internet technical community is looking at ways to address pervasive attacks as described in several other internet drafts. [I-D.barnes-pervasive-problem] describes threat model to characterize various pervasive attacks on the Internet communications. There are many systems that need to be secured against such attacks but this paper considers one possible way to secure cloud based collaborations systems. At a high level, this paper sugests that users or enterprises could run a key server that manages the keys to access their content. The cloud service provider would not have access to decrypt the data stored in the cloud but various users of the cloud service could get the keys to encrypt and decrypt the contents of collaboration sessions facilitated by the cloud service. This does not protect the meta data of who is talking to who but can help protect the content of the conversations.


Cullen Jennings (
Suhas Nandakumar (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)