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Achieve Secure Communication With PGP And GnuPG In Linux

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File and mail security is easy to achieve with the right tools. PGP has proven itself the leader, and GnuPG is the tool of choice in the Linux world. Anyone who has read this column a while knows I'm a bit obsessive about crypto. With the speed of modern or even old processors, there's no reason that there should be any cleartext transmissions on the Internet at all. . . .

LinuxSecurity.com Team
Apr 05, 2004

Exploring Custom Encryption Frameworks For Data Protection Compliance

Data protection mandates in legislation like HIPAA and the Sarbanes-Oxley Act are making encryption more popular, but cryptography as a point solution is another story. Enterprises "aren't going out and searching for what product can solve everything out of the box," explains Adam K. Erickson, senior VP of worldwide sales and marketing for encryption middleware provider Eruces. "Rather, what they're tending to do is develop their own solutions in-house." . . .

LinuxSecurity.com Team
Mar 24, 2004

Effective Data Protection Through Secure Backups With GnuPG

GnuPG is a complete and free replacement for PGP. It is a valuable piece of software that is very easy to use and will serve our purpose for covering the topic of secure backups. I won't got into details in installing GnuPG as there are number of good installation guides around that pretty much cover this topic (faqs.org, linux-tutorial.info and web.bham.ac.uk). Depending on your server and administrator, GnuPG will be ither pre-installed, installed after bugging the administrator or installed by yourself if you have sufficient local privileges. . . .

LinuxSecurity.com Team
Mar 16, 2004

Innovative Selective Data Protection in Network Security

Enterprises traditionally spend a significant amount of their resources securing the network perimeter, despite the fact, noted by analysts and security experts, that a majority of attacks originate from within networks. Ingrian's product takes a different tack, allowing small sections of application or database information to be hidden from all unauthorised users, whether within or outside the network. . . .

LinuxSecurity.com Team
Mar 13, 2004

MD5CRK Initiative: Addressing the Collision Problems in MD5 Hashing

The MD5CRK project seeks to prove empirally that MD5 is a hash algorithm that exhibits the not-so-cryptographically-sound property of collisions. This has already been proven theoretically, but nobody really paid attention, so this distributed computing project was created. . . .

LinuxSecurity.com Team
Mar 05, 2004

Enhancing Quantum Cryptography Distance With Practical Optical Repeaters

Quantum cryptography devices and networks, which transport photons whose properties can be used to represent the 1s and 0s of digital information, could also benefit from repeaters. Today's prototype quantum cryptography systems provide theoretically perfect security, but these systems can't carry information over long distances. . . .

LinuxSecurity.com Team
Feb 26, 2004

Exploring Human Weaknesses in Security Through Cryptography Insights

Anyone with any savvy in the computer security world already knows that the weakest link is virtually always the users. Technically speaking, the world of cryptography has reached the point where it is feasible to secure static data beyond the reach of any reasonable attack, and streaming data may reach that point soon as well as streaming encryption is replaced by block encryption, which, though it requires more resources, is now well within reach. But none of that helps if users fall victim again and again to the same social engineering attacks, giving away the keys to their own castles. Who now has any doubt that there will be an increasing prevailance of 'phishing' schemes in the coming years? . . .

LinuxSecurity.com Team
Feb 25, 2004

Create Your Own Electronic Enigma Machine With The Enigma-E Kit

The Enigma-E is a DIY Building Kit that enables you to build your own electronic variant of the famous Enigma coding machine that was used by the German army during WWII. It works just like a real Enigma and is compatible with an M3 and M4 Enigma as well as the standard Service Machines. A message encrypted on, say, a real Enigma M4 can be read on the Enigma-E and vice versa. . . .

LinuxSecurity.com Team
Feb 23, 2004

Exploring Trusted Platform Modules for Enhanced Hardware Security

As PC makers gear up to build desktops with hardware security, they face tough choices about how to implement a small but significant cryptography chip crucial to their architecture. That's because chipmakers are offering a bewildering array of options for so-called trusted platform modules, essentially low-cost silicon safes for a digital key. . . .

LinuxSecurity.com Team
Feb 22, 2004

RC-Crypt 1.5: Versatile Encryption Tool Using RC5 Algorithm

RC-Crypt can be used to encrypt or decrypt data using the RC5 algorithm. It operates on 128-bit data blocks, adding random characters for padding if necessary. The key size can be chosen by the user, but 64 bits or greater is recommended. It has many input/output options, making this a versatile piece of software suitable for embedding into scripts. . . .

LinuxSecurity.com Team
Feb 18, 2004

Exploring Secure Communication And Identity Verification Using GnuPG

In today's world, communication has broken all previous time and distance limits. Now you can talk with someone in real-time no matter how far away he is. That advantage has also brought some major problems with itself. First, it is hard to verify other persons identity with 100% certainty and second, we can't know if there is a third party between who reads our correspondence. Fortunately for us something called public key cryptography was invented. . . .

LinuxSecurity.com Team
Feb 17, 2004

Exploring Quantum Cryptography for Secure Data Transmission

Scientists at companies in Europe, Asia and the United States say they are close to a commercial version of what they see as an uncrackable way of transporting data. Among the first customers are expected to be banks and intelligence agencies, as well as governments that want to introduce secure digital services like electronic voting. The technology, called quantum cryptography, is a radical departure from the way data is secured today. . . .

LinuxSecurity.com Team
Jan 29, 2004

Email Encryption Insights: PGP And S/MIME's Role In Secure Communications

For years the undisputed "best of breed" technologies for enterprise email encryption were Secure MIME (S/MIME) or PGP. Support for S/MIME has been built into popular email clients, going back nearly a decade. Originally considered the tool of the hacker elite, PGP has evolved into highly effective enterprise tool, usable by mere mortals. . . .

LinuxSecurity.com Team
Jan 28, 2004

Certicom: Major NSA Deal Enhancing Canadian IT Security Landscape

It was at the end of an IT security event hosted by the Canadian Advanced Technology Alliance last October that someone called to Ian McKinnon from the back of the room. His cheeks flushed and eyes beaming, he approached somewhat awkwardly, nervously, as though he was slightly out of breath. . . .

LinuxSecurity.com Team
Jan 23, 2004

Certicom Offers $1 Million For Solving ECC Encryption Challenge

Want to win a million bucks and a high-paying job for life? That's what Mississauga-based Certicom Corp. is offering anyone who can crack the code to its products and patents surrounding Elliptic Curve Cryptology (ECC) -- a combination of algebra and algorithms that ensure everything from cellphone chatter to wireless e-mail sent and received on an Internet-enabled phone or a Blackberry PDA can't be hacked. . . .

LinuxSecurity.com Team
Jan 21, 2004

Yeemp 0.9 Decentralized Messaging With GPG Encryption and UTF-8 Support

Yeemp is a decentralized instant messaging system. It uses GPG over SSL for encryption, and UTF-8 to enable non-Latin text to be transferred. The clients include support for Japanese, Cyrillic, and Ogham input, as well as direct UTF-8. Yeemp includes a . . .

LinuxSecurity.com Team
Dec 23, 2003

Encryption's Role in Privacy And Law Enforcement Challenges

People will differ on the value of this change, depending on their feelings about privacy and their trust of the Government, but the effects of the increased use of encryption, and the subsequent difficulties for law enforcement in decrypting messages and files, will last far longer than the current transition to digital music delivery, and may in fact be the most important legacy of the current legal crackdown.. . .

LinuxSecurity.com Team
Dec 19, 2003

Challenges In Symmetric Cryptography: Trust And Key Exchange

One big issue with using symmetric algorithms is the key exchange problem, which can present a classic catch-22. The other main issue is the problem of trust between two parties that share a secret symmetric key. Problems of trust may be . . .

LinuxSecurity.com Team
Dec 19, 2003

SDSC TeraFLOP Resource Analysis: 207 Billion Hashes Cracked

Tom Perrine and Devin Kowatch of the San Diego Supercomputer Center have issued "Teracrack: Password cracking using TeraFLOP and PetaByte Resources." Using SDSC's prodigious computing facilities, they precomputed 207 billion crypt() hashes in 80 minutes. . .

LinuxSecurity.com Team
Dec 08, 2003

Understanding Steganography for Concealing Messages Securely

The term steganography comes from the Greek words for covered writing. If, as a child, you ever wrote an invisible message in lemon juice and had your friend hold it next to a light bulb in order to watch the message magically appear, you've used steganography.. . .

LinuxSecurity.com Team
Dec 08, 2003

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