Transcript Poster for CyberTrust PI Meeting

Hardening Distributed Volunteer
Computations http://dvc.richmond.edu
Welcome to the
Internet, my friend.
How can I help you?
The Setting
This research investigates the protection of
computation integrity and enhancement of data
privacy for applications executed on distributed
computing platforms that utilize the spare processor
cycles of computers connected to the Internet. The
goal of the project is to provide computation
supervisors with quantifiable protection and privacy
mechanisms tailored to application and platform
specific constraints. The project considers existing
platforms, which prohibit participating computers
("participants") from communicating with other
participants, as well as potential future hierarchical
platforms that permit communication among
participants and allow dynamic variation of platform
topology.
Distributed Volunteer
Computing
Participants (Bob)
Supervisor (Alice)
The approach to the problem of computation
integrity consists of probabilistic verification and
novel application of artificial intelligence
mechanisms for detecting anomalous behavior.
The approach to data privacy is based on
obscuring data values while maintaining
sufficient output information for identifying
specific important data from among a vast data
set. Access to more secure distributed volunteer
computing platforms will potentially benefit
researchers from a variety of disciplines,
including biology, chemistry, math, finance,
medicine, climatology, and evolutionary theory.
Approach
Enhanced Platforms and Protection
Measures:
Hierarchical: Communication between
Participants
Application and Platform Taxonomy
AI Methods for Detecting Malicious Activity
Enhanced Privacy via obscured data values
Application and Platform Specific Security
Taxonomy
Dynamic Topology
Task Heterogeneous
Genetic Sequence Privacy Example:
Participants compare ``offsets’’
CAGGATCTCAAGC
A
2351
C
1624
CAGCATATCACGT
2323
1352
“Alice”
Improved Collusion
Resistance, Fewer Tasks:
T1
T2
2351
1624
2323
1352
T3
T4
T5
“Bob 1”
“Bob 2”
T6
NSF Cyber Trust Principal Investigators Meeting
January 28-30, 2007
Atlanta, Georgia
People
PIs
Barry Lawson
Jason Owen
Doug Szajda (PI)
Students
Matt King
Mike Pohl
Andy White
Brittany Williams
NSF Award IIS-0524239:
Ensuring Computation
Integrity in Distributed
Volunteer Computing
Platforms