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 Post subject: Nov issue - AES
PostPosted: Mon Sep 20, 2010 6:49 pm 
8086
8086

Joined: Mon Sep 20, 2010 6:38 pm
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Just a heads up on the article about the Advanced Encryption Standard.

While this may be a nice encryption scheme it is NOT used, as Mr. Stern claims, to secure government Top Secret data. In fact I am nearly positive it does not even secure any Secret data – certainly not for the military.
For high level security the NSA prescribes various “levels” so there are no cipher names and the ciphers themselves are classified.

For good proven encryption (free) try PGP.


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 Post subject: Re: Nov issue - AES
PostPosted: Mon Sep 27, 2010 10:42 am 
Java Junkie
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Joined: Mon Jun 14, 2004 10:23 am
Posts: 24236
Location: Granite Heaven
AES was approved by the NSA to protect Secret and Top Secret level documents in 2003:

Quote:
The design and strength of all key lengths of the AES algorithm (i.e., 128, 192 and 256) are sufficient to protect classified information up to the SECRET level. TOP SECRET information will require use of either the 192 or 256 key lengths. The implementation of AES in products intended to protect national security systems and/or information must be reviewed and certified by NSA prior to their acquisition and use."


Since that was 7 years ago, and several man-in-the-middle attacks have been found for 128-bit keys, I think it is safe to assume that this policy has been changed or updated.

PGP is great for encrypting email and documents and is unbroken to date.


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