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Дали NSA има ставено backdoor во новиот енкрипциски стандард?

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LiquidWorm

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26 март 2007
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www.zeroscience.mk
Did NSA Put a Secret Backdoor in New Encryption Standard?

Commentary by Bruce Schneier

Random numbers are critical for cryptography: for encryption keys, random authentication challenges, initialization vectors, nonces, key-agreement schemes, generating prime numbers and so on. Break the random-number generator, and most of the time you break the entire security system. Which is why you should worry about a new random-number standard that includes an algorithm that is slow, badly designed and just might contain a backdoor for the National Security Agency.

Generating random numbers isn't easy, and researchers have discovered lots of problems and attacks over the years. A recent paper found a flaw in the Windows 2000 random-number generator. Another paper found flaws in the Linux random-number generator. Back in 1996, an early version of SSL was broken because of flaws in its random-number generator. With John Kelsey and Niels Ferguson in 1999, I co-authored Yarrow, a random-number generator based on our own cryptanalysis work. I improved this design four years later -- and renamed it Fortuna -- in the book Practical Cryptography, which I co-authored with Ferguson.

Повеќе: http://www.wired.com/politics/security/commentary/securitymatters/2007/11/securitymatters_1115

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