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Cryptographic Filesystems

As security becomes a greater focus in networks, every aspect of online information needs a level of protection from the network-level use of firewalls and IDS to the host-level use of IDS. However, an additional level of security has recently come to the forefront of security - cryptographic filesystems. While the technology for cryptographic filesystems has been available for quite a while, the deployment of cryptographic filesystems in production environments has not taken hold. This article will discuss some of the background and technology of cryptographic filesystems and will then cover some example implementations of these filesystems including Microsoft's Encrypting File System for Windows 2000, the Linux CryptoAPI, and the Secure File System. 

Clicked: 30 Added: 2005-01-17 15:03:40 - Bad URL? Report it

Distributed Reflection Denial of Service

As was true for this January 11th attack, any sort of "distributed" attack is most often a "bandwidth consumption" attack where the combined Internet connection bandwidth of many machines is "focused", or directed, upon one or a few machines. Although the attack's individual Internet packets may be completely harmless, a flood of such packets can overwhelm the target machine's Internet connection or other packet-processing resources. The result is that valid traffic, unable to compete with the malicious flood, has little chance of obtaining useful service. 

Clicked: 4 Added: 2006-03-18 02:51:39 - Bad URL? Report it

Encrypt and email credit card orders with PHP & GPG

This howto is intended to help e-commerce programmers on a budget. The audience should have a half-decent understanding of PHP, and know the basics of how public-private key cryptosystems work. 

Clicked: 98 Added: 2004-06-17 16:51:28 - Bad URL? Report it

Encrypting Shell Scripts

Do you have scripts that contain sensitive information like passwords and you pretty much depend on file permissions to keep it secure? If so, then that type of security is good provided you keep your system secure and some user doesn't have a  

Clicked: 19 Added: 2005-02-20 21:54:54 - Bad URL? Report it

EverCrack

EverCrack is an Open-Source (GPL) Cryptanalysis Engine. EverCrack performs cryptanalysis on simple substitution and transposition ciphers. EverCrack currently can crack up to 4000 words in miliseconds. It can also crack monoalphabetic substitution ciphers in 8 languages [English, German, French, Spanish, Italian, Dutch, Swedish and portuguese]. Initial development [Screenshots of EverCrack] consisted of a set of tools, written in C, for both Windows and Linux platforms. These can be found at SourceForge as well as at FreshMeat. Current development is geared towards online web applications. I chose this move for a number of reasons. First, it removes the problem[s] involved with developing three separate versions [Windows, MSDOS and Linux]. Secondly, I've decided to switch my area[s] of focus [as a programmer] towards web development in general - it appears to be the trend for the future of application development. [Note: The online version(s) of EverCrack do not yet currently work with ciphers encrypted in languages other than English] 

Clicked: 9 Added: 2005-11-29 23:22:20 - Bad URL? Report it

FREE Secure Email Certificates

Free Secure Email Certificates allow you to encrypt and digitally sign email and attachments keeping them secure and confidential: * Encrypt your emails to ensure that the message and attachments may only be read by the intended recipients * Digitally Sign your emails to prove that the message and attachments really came from you and not someone masquerading as you * Digitally Sign your emails to ensure that the message and attachments cannot be tampered with en route via the Internet without the recipient being alerted to the tampering 

Clicked: 38 Added: 2004-12-31 01:57:47 - Bad URL? Report it

Handbook of Applied Cryptography

Cryptography, in particular public-key cryptography, has emerged in the last 20 years as an important discipline that is not only the subject of an enormous amount of research, but provides the foundation for information security in many applications. Standards are emerging to meet the demands for cryptographic protection in most areas of data communications. Public-key cryptographic techniques are now in widespread use, especially in the financial services industry, in the public sector, and by individuals for their personal privacy, such as in electronic mail. This Handbook will serve as a valuable reference for the novice as well as for the expert who needs a wider scope of coverage within the area of cryptography. It is a necessary and timely guide for professionals who practice the art of cryptography. Noteworthy features of the book include: * Excellent organization of material and numbering of items provides easy and rapid access of information, and includes: o More than 200 algorithms and protocols o More than 200 tables and figures o More than 1,000 numbered definitions, facts, examples, notes, and remarks o Extensive cross referencing between chapters o Extensive 26-page index * Over 1,250 significant references, including brief comments on each paper * Over 90 experts in cryptography reviewed chapters in their specialty * Extensive notes at the end of each chapter survey the relevant literature * Listing of all papers published in Asiacrypt/Auscrypt, Crypto, Eurocrypt, Fast Software Encryption Conferences, and in the Journal of Cryptology  

Clicked: 25 Added: 2005-02-04 10:03:36 - Bad URL? Report it

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