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Brute Force Cracking the Data Encryption Standard~tqw~ darksiderg

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Brute Force: Cracking the Data Encryption Standard
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Type.................: Ebook
Part Size............: 2,231,853 bytes




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Posted by............: ~tqw~

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Release Notes
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"DES, the workhorse of cryptography and the U.S. government encryption standard
for just shy of twenty years (from 1978 to 1997), was used to protect a vast
array of sensitive information in the United Stated and throughout the rest of
the world. Many cryptographers felt that DES, which was a 56-bit standard, was
too easily broken. Computer scientists and industry software experts wanted the
U.S. to be able to use and export stronger cryptography. The government
resisted, claiming that more robust cryptography would allow terrorists, child
pornographers, and drug traffickers to better hide their illicit activities."
"In January of 1997, a company called RSA Data Security launched a contest that
challenged DES. RSA wrote a secret message, encrypted it using DES, and promised
a $10,000 prize to anyone who could decrypt the message, or break the code that
hid it. Responding to the challenge and ultimately winning the prize was a group
of programmers, computer scientists, and technology enthusiasts who organized
themselves into a loose-knit consortium called DESCHALL (for the DES Challenge).
They successfully decoded RSA's secret message using tens of thousands of
computers all across the U.S. and Canada linked together via the Internet in an
unprecedented distributed supercomputing effort. Using a technique called
"brute-force," computers participating in the challenge simply began trying
every possible decryption key. There were over 72 quadrillion keys to test."
Brute Force tells the story of the thousands of volunteers who battled to prove
the aging standard for data encryption was too weak and to wrestle strong
cryptography from the control of the U.S. government. Matt Curtin, one of the
leaders of DESCHALL, explains how DESCHALL broke RSA's secret message and
demonstrated to the U.S. governments - and in fact to the world-wide business
and technology communities - the need for stronger, publicly tested
cryptography.

Table of Contents
Forward
1 Working late 1
2 Keeping secrets 3
3 Data encryption standard 11
4 Key length 23
5 Discovery 37
6 RSA crypto challenges 41
7 Congress takes note 49
8 Supercomputer 57
9 Organizing DESCHALL 63
10 Needle in a haystack 75
11 Spreading the word 77
12 The race is on 85
13 Clients 91
14 Architecture 97
15 Progress 113
16 Trouble 121
17 Milestones 127
18 Gateways 135
19 Network 139
20 Download 141
21 Short circuit 151
22 DESCHALL community 159
23 Proposal 163
24 In the lead 165
25 Recruiting 169
26 Threats 175
27 Overdrive 189
28 Distributed 199
29 An obstacle 207
30 Export 213
31 Getting word out 215
32 Salvos in the crypto wars 229
33 New competition 235
34 Netlag 239
35 Terminal velocity 241
36 Duct tape 249
37 Showdown in the Senate 255
38 Strong cryptography makes the world a safer place 259
39 Aftermath 267
40 Staying the course 271
41 In retrospect 275

Product Details

* ISBN: 0387201092
* ISBN-13: 9780387201092
* Format: Hardcover, 291pp
* Publisher: Springer-Verlag New York, LLC
* Pub. Date: February 2005

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