Archive for the 'Cryptography' Category Page 3 of 4

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Sep 27

USB key with AES embeded AES encryption

in Confidentiality, Cryptography, Hardware, In Internet and integrity. 0 Comments Printable version Printable version

ironkeu design IronKey as released an USB key quite impressive. The file AES encryption is done onfly in hardware (see the diagram). Combine this with a strong build and you have a cool secure key. It is really something I have look forward to strore my personnal file.

Documentation said it works on Vista and XP with no software install. Thus I guess it works pretty much as a U3 USB works. I may get one and try it on my Linux.

The important point is that it use an embeded cryptochip to perform the encryption which as far as I know is unique to this device. The Cryptochips include AES-CBC and PRNG. It seems a great piece of work.

A “demo” is available here and whitepaper here

Sep 24

Oracle 11g password analysis

in Analysis and production, Cryptography and In Internet. 0 Comments Printable version Printable version

Pete FinniganHas has release an analysis of the Oracle 11 g password. It appears that other reasearch labs have come to the same conclusion. For example see The Recurity Lablog . So it appears that Oracle 11g use SHA1 alongs with a salt to store password. It is always good to know :) I suppose that salt are meant to prevent the use of rainbow tables.

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