FOR IMMEDIATE RELEASE
RSA Code-Breaking Contest Again Won by Distributed.Net and Electronic
Frontier
Foundation (EFF)

DES Challenge III Broken in Record 22 Hours

RSA DATA SECURITY CONFERENCE, SAN JOSE, Calif., January 19, 1999 --
Breaking the
previous record of 56 hours, Distributed.Net, a worldwide coalition of
computer
enthusiasts, worked with the Electronic Frontier Foundation^�s (EFF) ^�Deep
Crack,^� a specially designed supercomputer, and a worldwide network of nearly
100,000 PCs on the Internet, to win RSA Data Security^�s DES Challenge III
in a
record-breaking 22 hours and 15 minutes. The worldwide computing team
deciphered a secret message encrypted with the United States government's
Data
Encryption Standard (DES) algorithm using commonly available technology. From
the floor of the RSA Data Security Conference & Expo, a major data security
and
cryptography conference being held in San Jose, Calif., EFF^�s ^�Deep Crack^�
and
the Distributed.Net computers were testing 245 billion keys per second when
the
key was found.
First adopted by the federal government in 1977, the 56-bit DES
algorithm
is still widely used by financial services and other industries worldwide to
protect sensitive on-line applications, despite growing concerns about its
vulnerability. RSA has been sponsoring a series of DES-cracking contests to
highlight the need for encryption stronger than the current 56-bit standard
widely used to secure both U.S. and international commerce.
^�As today's demonstration shows, we are quickly reaching the time when anyone
with a standard desktop PC can potentially pose a real threat to systems
relying on such vulnerable security,^� said Jim Bidzos, president of RSA Data
Security, Inc. ^�It has been widely known that 56-bit keys, such as those
offered by the government^�s DES standard, offer only marginal protection
against a committed adversary. We congratulate Distributed.Net and the EFF
for
their achievement in breaking DES in record-breaking time.^�
As part of the contest, RSA awarded a $10,000 prize to the winners at a
special
ceremony held during the RSA Conference. The goal of this DES Challenge
contest
was not only to recover the secret key used to DES-encrypt a plain-text
message,
but to do so faster than previous winners in the series. As before, a cash
prize was awarded for the first correct entry received. The amount of the
prize was based on how quickly the key was recovered.
^�The diversity, volume and growth in participation that we have seen at
Distributed.Net not only demonstrates the incredible power of distributed
computing as a tool, but also underlines the fact that concern over
cryptography controls is widespread,^� said David McNett, co-founder of
Distributed.Net.
"EFF believes strongly in providing the public and industry with reliable and
honest evaluations of the security offered by DES. We hope the result of
today's DES Cracker demonstration delivers a wake-up call to those who still
believe DES offers adequate security," said John Gilmore, EFF co-founder and
project leader. "The government^�s current encryption policies favoring DES
risk
the security of the national and world infrastructure."
The Electronic Frontier Foundation began its investigation into DES
cracking in
1997 to determine just how easily and cheaply a hardware-based DES Cracker
(i.e., a code-breaking machine to crack the DES code) could be constructed.
Less than one year later and for well under U.S. $250,000, the EFF, using its
DES Cracker, entered and won the RSA DES Challenge II-2 competition in less
than 3 days, proving that DES is not very secure and that such a machine is
inexpensive to design and build.
"Our combined worldwide team searched more than 240 billion keys every second
for nearly 23 hours before we found the right 56-bit key to decrypt the
answer
to the RSA Challenge, which was ^�See you in Rome (second AES Conference,
March
22-23, 1999)^�,^� said Gilmore. The reason this message was chosen is that the
Advanced Encryption Standard (AES) initiative proposes replacing DES using
encryption keys of at least 128 bits.
RSA^�s original DES Challenge was launched in January 1997 with the aim of
demonstrating that DES offers only marginal protection against a committed
adversary. This was confirmed when a team led by Rocke Verser of Loveland,
Colorado recovered the secret key in 96 days, winning DES Challenge I. Since
that time, improved technology has made much faster exhaustive search efforts
possible. In February 1998, Distributed.Net won RSA^�s DES Challenge II-1 with
a 41-day effort, and in July, the Electronic Frontier Foundation (EFF) won
RSA^�s DES Challenge II-2 when it cracked the DES message in 56 hours.
RSA Data Security, Inc.
RSA Data Security, Inc., a wholly owned subsidiary of Security Dynamics
Technologies, Inc. (NASDAQ: SDTI), is a leading supplier of software
components
that secure electronic data, with more than 400 million copies of RSA
encryption and authentication technologies installed worldwide. RSA
technologies are part of existing and proposed standards for the Internet and
World Wide Web, ISO, ITU-T, ANSI, IEEE, and business, financial and
electronic
commerce networks around the globe. RSA develops and markets
platform-independent security components and related developer kits and
provides comprehensive cryptographic consulting services. RSA can be
reached at
http://www.rsa.com.
(30)



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