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Cryptography
We have thousands of posts on a wide variety of open source and security topics, conveniently organized for searching or just browsing.



First dent in the AES crypto algorithm  19 August 2011 
Source: H Security - Posted by Anthony Pell   
A team of researchers has discovered a first vulnerability in the AES encryption standard that shortens the algorithm's effective key length by two bits. This means that the usual key lengths of 128, 192 and 256 bits are reduced to 126, 190 and 254 bits.
 
Encrypt Early, Encrypt Often  12 August 2011 
Source: Information Week - Posted by Anthony Pell   
A theme that appears anytime the cloud is discussed in the context of IT is security. The general direction of this concern is the prevention of unauthorized access to cloud-hosted data and apps. If the topic is pursued, rather than just acknowledged as an issue, it generally forks into two main threads: preventing access by outside parties (hackers, crackers, protesters, and the like) and preventing access by inside parties, such as unauthorized employees.
 
How to secure your data with Truecrypt in 11 easy steps!  11 July 2011 
Source: Ubuntu Manual - Posted by Dave Wreski   
Truecrypt, is a free and open-source disk encryption software. In this post we will show you how to encrypt all your data using Truecrypt in 11 easy steps.
 
Timing attack threatens private keys on SSL servers  26 May 2011 
Source: The Register UK - Posted by Dave Wreski   
Security researchers have discovered a "timing attack" that creates a possible mechanism for a hacker to extract the secret key of a TLS/SSL server that uses elliptic curve cryptography (ECC).
 
Linkedin SSL vulnerability leaves accounts open to hacking  23 May 2011 
Source: The Inquirer - Posted by Anthony Pell   
AN INDEPENDENT insecurity researcher says there are multiple security vulnerabilities in the business social network Linkedin, due to the way it handles and transmits cookies over SSL.
 
Dropbox 'insecure and misleading' – crypto researcher  16 May 2011 
Source: The Register UK - Posted by Alex   
Popular cloud storage service Dropbox is misleading users into thinking it is more secure than it really is, says a security researcher and academic, who has asked for the FTC to investigate.
 
The rising use of SSL raises new risks  12 May 2011 
Source: CSO Online - Posted by Dave Wreski   
As more applications turn to SSL to help keep users secure, they may also be inadvertently hampering the ability of enterprises to ensure malicious code and exploits are not slithering through network traffic from the endpoint.
 
Self-Encrypting Hard Drives Face Perception Challenge  10 May 2011 
Source: Information Week - Posted by Dave Wreski   
One-third of security professionals who handle encryption don't understand self-encrypting hard disk drives. In particular, they're unsure whether the drives are better or worse than software-based encryption for preventing tampering, managing encryption, or handling authentication keys.
 
Meet the fastest public-key algorithm few have even heard of  27 April 2011 
Source: Network World - Posted by Dave Wreski   
Here comes the fastest public-key algorithm that most people have never heard of: It's called NTRUEncrypt and this month was approved by the financial services standards body, the Accredited Standards Committee X9.
 
Self-encrypting hard disks with integrated deletion feature  18 April 2011 
Source: H Security - Posted by Dave Wreski   
Toshiba has extended its range of 2.5-inch drives with hardware data encryption – also called Self-Encrypting Drives ("SEDs") – to include models with an automatic deletion feature ("wipe"). Developed to comply with the Trusted Computing Group's (TCG) Opal specification, Toshiba's series MKxx61GSYD drives encrypt all written data via AES-256 without causing performance loss.
 
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