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Flaws found in 'popular' hashing algorithms?

 
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RWareDerek
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Joined: 24 Jan 2004
Posts: 193
Location: San Jose, CA
PostPosted: Thu Mar 17, 2005 8:57 am    Post subject: Flaws found in 'popular' hashing algorithms? Reply with quote
From CNN.com:

Quote:
NEW YORK (CNN/Money) - The discovery of a crack in a commonly used Internet encryption technique raised concerns among government agencies and computer-code experts, according to a report by The Wall Street Journal.


http://money.cnn.com/2005/03/15/technology/encryption/index.htm?cnn=yes

I only wish this article wasn't generic enough to not mention the specific algorithms that have been 'exploited'....
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RWareDerek
Site Admin


Joined: 24 Jan 2004
Posts: 193
Location: San Jose, CA
PostPosted: Thu Mar 17, 2005 9:22 am    Post subject: Reply with quote
Apparently, the researchers found collisions in the SHA-1 algorithm (which isn't exactly NEW news) - this isn't a reason to panic by any means (breaking SHA-1 is not feasable for any individual)...what it does prove is that SHA-1 should be phased out within the next couple years

News about the SHA-1 collision:
http://www.infoworld.com/article/05/02/16/HNshaflaw_1.html

Interesting article about the SHA-1 news:
http://www.schneier.com/crypto-gram-0503.html

First portion of the paper that the researchers who found the exploit released:
http://theory.csail.mit.edu/~yiqun/shanote.pdf
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