Speaker: Jun Shao, IST
Title: Secure Storage in the Cloud Computing

Abstract

One vision of 21st century computing is that users will access
Internet services over lightweight portable devices rather than
through some descendant of the traditional desktop PC. Who will be
responsible for the reduced computation and storage capability? The
answer is Cloud Computing. That is, CPUs and the storage space we use
will not be located in our own PCs, but in Cloud Computing. Our data
are out-sourced.

On the other hand, when our private data are out-sourced, we should
guarantee the confidentiality and searchability of the private data.
However, the traditional security mechanisms, such as ACL (access
control list) based method, cannot be applied in cloud computing. It
is because that they usually require that the data center is fully
trusted, which is against the situation in cloud computing. As a
result, new security mechanisms for the secure storage in cloud
computing are desired.

In this talk, we will learn some new security mechanisms for the
problem, from the simplest case "one creator vs. one searcher" to the
most complex case "multi-creator vs. multi-searcher". These new
security mechanisms are all based on the cryptogrpahic
primitive---searchable encryption.