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7 items tagged "Cryptography"

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Cryptography experts bicker with former NSA director at RSA panel

Posted: March 4th, 2010, 11:31am CST by Robert A.

Tags: Cryptography [edit]

I recently attended RSA and had a chance to see the cryptography panel. Towards the end of the panel an amusing amount of bickering began between the former NSA technical director (Brian snow) and folks such as Whit Diffie (inventor of diffie hellman key exchange), and Adi Shamir (co founder of RSA...
TLS negotiation flaw published

Posted: November 5th, 2009, 6:51pm CST by Robert A.

Tags: Cryptography [edit]

Steve Dispensa and Marsh Ray have published a paper describing a weakness in the TLS negotiation process. This is the same attack discussed on the IETF TLS list. From the whitepaper "Transport Layer Security (TLS, RFC 5246 and previous, including SSL v3 and previous) is subject to a number of serious man-in-the-middle...
Amazon EC2 cloud computing for password/crypto cracking

Posted: November 4th, 2009, 1:01pm CST by Robert A.

Tags: Cryptography [edit]

There is a rather lengthy set of posts on using cloud based computing services as ideal venues for crypto and password cracking. Link: http://news.electricalchemy.net/2009/10/cracking-passwords-in-cloud.html Link: http://news.electricalchemy.net/2009/10/password-cracking-in-cloud-part-5.html
SHA-1 collisions achievable

Posted: June 10th, 2009, 9:08pm CDT by Robert A.

Tags: Cryptography [edit]

"The researchers, from Macquarie University in Sydney, Australia, found a way to break the SHA-1 algorithm in significantly fewer tries than previously required. Although the hash function was previously believed to withstand attempts numbering 263, the researchers have been able to whittle that down to 252, a number that puts practical...
XKCD Security Comic on crypto

Posted: February 2nd, 2009, 8:01pm CST by Robert A.

Tags: Cryptography [edit]

XKCD Security Comic on crypto
Microsoft's SDL and the CWE/SANS Top 25

Posted: February 2nd, 2009, 6:24pm CST by Robert A.

Tags: Cryptography [edit]

"Bryan here. The security community has been buzzing since SANS and MITRE’s joint announcement earlier this month of their list of the Top 25 Most Dangerous Programming Errors. Now, I don’t want to get into a debate in this blog about whether this new list will become the new de facto...
FBI issues code cracking challenge

Posted: December 29th, 2008, 5:31pm CST by Robert

Tags: Cryptography [edit]

"The FBI today challenged anyone in the online community to break a cipher code on its site. The code was created by FBI cryptanalysts. The bureau invited hackers to a similar code-cracking challenge last year and got tens of thousands of responses it said. A number of sites host such cipher...