Sanjam Garg, a graduate of the Indian Institute
of Technology, Delhi, has won the Doctoral
Dissertation Award for 2013 for developing a
technique to protect against cyber-attacks.
He will receive the award presented by the
Association for Computing Machinery (ACM)
and its $20,000 prize at the annual ACM
awards banquet on June 21, in San Francisco.
Financial sponsorship of the award is provided
by Google .
According to ACM , the innovator of
breakthrough cryptography technology won
the award for developing tools that enable the
first secure solution to the problem of making
computer programme code "unintelligible"
while preserving its functionality.
This problem, known as software obfuscation ,
conceals the programme's purpose or its logic
in order to prevent tampering, deter reverse
engineering, or as a challenge to readers of the
source code.
Garg's "approach makes it impossible to
reverse-engineer the obfuscated software
without solving mathematical problems that
could take hundreds of years to work out on
today's computers," ACM said.
Garg , a Josef Raviv Memorial Postdoctoral
Fellow at IBM T.J. Watson Research Centre,
completed his dissertation at the University of
California, Los Angeles, which nominated him.
In his dissertation "Candidate Multilinear
Maps," Garg described new mathematical tools
that serve as key ingredients for transforming
a program into a "jigsaw puzzle" of encrypted
pieces.
Corresponding to each input is a unique set of
puzzle pieces that, when assembled, reveal the
output of the programme.
Security of the obfuscated programme hinges
on the fact that illegitimate combinations of
the puzzle pieces do not reveal anything.
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