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Brute Force: Cracking the Data Encryption Standard<br />
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General Information<br />
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Type.................: Ebook<br />
Part Size............: 2,231,853 bytes<br />
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Posted by............: ~tqw~<br />
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Release Notes<br />
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"DES, the workhorse of cryptography and the U.S. government encryption standard <br />
for just shy of twenty years (from 1978 to 1997), was used to protect a vast <br />
array of sensitive information in the United Stated and throughout the rest of <br />
the world. Many cryptographers felt that DES, which was a 56-bit standard, was <br />
too easily broken. Computer scientists and industry software experts wanted the <br />
U.S. to be able to use and export stronger cryptography. The government <br />
resisted, claiming that more robust cryptography would allow terrorists, child <br />
pornographers, and drug traffickers to better hide their illicit activities." <br />
"In January of 1997, a company called RSA Data Security launched a contest that <br />
challenged DES. RSA wrote a secret message, encrypted it using DES, and promised <br />
a $10,000 prize to anyone who could decrypt the message, or break the code that <br />
hid it. Responding to the challenge and ultimately winning the prize was a group <br />
of programmers, computer scientists, and technology enthusiasts who organized <br />
themselves into a loose-knit consortium called DESCHALL (for the DES Challenge). <br />
They successfully decoded RSA's secret message using tens of thousands of <br />
computers all across the U.S. and Canada linked together via the Internet in an <br />
unprecedented distributed supercomputing effort. Using a technique called <br />
"brute-force," computers participating in the challenge simply began trying <br />
every possible decryption key. There were over 72 quadrillion keys to test." <br />
Brute Force tells the story of the thousands of volunteers who battled to prove <br />
the aging standard for data encryption was too weak and to wrestle strong <br />
cryptography from the control of the U.S. government. Matt Curtin, one of the <br />
leaders of DESCHALL, explains how DESCHALL broke RSA's secret message and <br />
demonstrated to the U.S. governments - and in fact to the world-wide business <br />
and technology communities - the need for stronger, publicly tested <br />
cryptography. <br />
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Table of Contents<br />
Forward <br />
1 Working late 1<br />
2 Keeping secrets 3<br />
3 Data encryption standard 11<br />
4 Key length 23<br />
5 Discovery 37<br />
6 RSA crypto challenges 41<br />
7 Congress takes note 49<br />
8 Supercomputer 57<br />
9 Organizing DESCHALL 63<br />
10 Needle in a haystack 75<br />
11 Spreading the word 77<br />
12 The race is on 85<br />
13 Clients 91<br />
14 Architecture 97<br />
15 Progress 113<br />
16 Trouble 121<br />
17 Milestones 127<br />
18 Gateways 135<br />
19 Network 139<br />
20 Download 141<br />
21 Short circuit 151<br />
22 DESCHALL community 159<br />
23 Proposal 163<br />
24 In the lead 165<br />
25 Recruiting 169<br />
26 Threats 175<br />
27 Overdrive 189<br />
28 Distributed 199<br />
29 An obstacle 207<br />
30 Export 213<br />
31 Getting word out 215<br />
32 Salvos in the crypto wars 229<br />
33 New competition 235<br />
34 Netlag 239<br />
35 Terminal velocity 241<br />
36 Duct tape 249<br />
37 Showdown in the Senate 255<br />
38 Strong cryptography makes the world a safer place 259<br />
39 Aftermath 267<br />
40 Staying the course 271<br />
41 In retrospect 275<br />
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Product Details<br />
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* ISBN: 0387201092<br />
* ISBN-13: 9780387201092<br />
* Format: Hardcover, 291pp<br />
* Publisher: Springer-Verlag New York, LLC<br />
* Pub. Date: February 2005<br />
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