This week, perhaps the most interesting articles include "A New Vulnerability In RSA Cryptography," "," and "Hacking Email: 99 Tips To Make You More Secure And Productive."

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LinuxSecurity.com Feature Extras:

RFID with Bio-Smart Card in Linux - In this paper, we describe the integration of fingerprint template and RF smart card for clustered network, which is designed on Linux platform and Open source technology to obtain biometrics security. Combination of smart card and biometrics has achieved in two step authentication where smart card authentication is based on a Personal Identification Number (PIN) and the card holder is authenticated using the biometrics template stored in the smart card that is based on the fingerprint verification. The fingerprint verification has to be executed on central host server for security purposes. Protocol designed allows controlling entire parameters of smart security controller like PIN options, Reader delay, real-time clock, alarm option and cardholder access conditions.

pgp Key Signing Observations: Overlooked Social and Technical Considerations - While there are several sources of technical information on using pgp in general, and key signing in particular, this article emphasizes social aspects of key signing that are too often ignored, misleading or incorrect in the technical literature. There are also technical issues pointed out where I believe other documentation to be lacking. It is important to acknowledge and address social aspects in a system such as pgp, because the weakest link in the system is the human that is using it. The algorithms, protocols and applications used as part of a pgp system are relatively difficult to compromise or 'break', but the human user can often be easily fooled. Since the human is the weak link in this chain, attention must be paid to actions and decisions of that human; users must be aware of the pitfalls and know how to avoid them.

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Thank you for reading the LinuxSecurity.com weekly security newsletter. The purpose of this document is to provide our readers with a quick summary of each week's most relevant Linux security headline.

A New Vulnerability In RSA Cryptography
20th, November, 2006

"Branch Prediction Analysis is a recent attack vector against RSA public-key cryptography on personal computers that relies on timing measurements to get information on the bits in the private key. However, the method is not very practical because it requires many attempts to obtain meaningful information, and the current OpenSSL implementation now includes protections against those attacks. However, German cryptographer Jean-Pierre Seifert has announced a new method called Simple Branch Prediction Analysis that is at the same time much more efficient that the previous ones, only needs a single attempt, successfully bypasses the OpenSSL protections, and should prove harder to avoid without a very large execution penalty."

news/cryptography/a-new-vulnerability-in-rsa-cryptography
On the Power of Simple Branch Prediction Analysis
22nd, November, 2006

Deep CPU pipelines paired with the CPU