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Boston Launches Pioneering Quantum Network for Secure Message Transfer

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The world's first quantum network, integrated with the Internet, is now operating in the Boston area. Its developers hope that the messages it sends will be secure from hackers and eavesdroppers for as long as imagination now extends. . . .

LinuxSecurity.com Team
Aug 26, 2004

Understanding Cryptographic Hashes: Security Issues in MD4, MD5, SHA-0

With the recent news of weaknesses in some common security algorithms (MD4, MD5, SHA-0), many are wondering exactly what these things are: They form the underpinning of much of our electronic infrastructure, and in this Guide we'll try to give an overview of what they are and how to understand them in the context of the recent developments. . . .

LinuxSecurity.com Team
Aug 23, 2004

Weaknesses In MD5 And SHA Prompt Call For New Hash Standards

At the Crypto 2004 conference in Santa Barbara, Calif., this week, researchers announced several weaknesses in common hash functions. These results, while mathematically significant, aren't cause for alarm. But even so, it's probably time for the cryptography community to get together and create a new hash standard. . . .

LinuxSecurity.com Team
Aug 20, 2004

MD5 Algorithm Issue: Digital Signatures Threatened by Research Findings

Encryption circles are buzzing with news that mathematical functions embedded in common security applications have previously unknown weaknesses. The excitement began Thursday with an announcement that French computer scientist Antoine Joux had uncovered a flaw in a popular algorithm called MD5, often used with digital signatures. Then four Chinese researchers released a paper that reported a way to circumvent MD5 and other algorithms. . . .

LinuxSecurity.com Team
Aug 19, 2004

Harvard's Innovative Quantum Network Prevents Unauthorized Access

Relying on the principles of uncertainty underlying quantum mechanics, Harvard researchers recently established the first experimental secure network that, when perfected, should make it impossible for hackers to gain unauthorized access to documents shared electronically. . . .

LinuxSecurity.com Team
Aug 16, 2004

Bruce Schneier Discusses Security Accountability and Diversity

Bruce Schneier, founder and CTO of Counterpane Internet Security, is one of the world's foremost security experts and author of the influential books Applied Cryptography, Secrets & Lies and Beyond Fear. His free monthly newsletter, Crypto-Gram, has over 100,000 readers. Interviewed by Glyn Moody, he discusses the lack of accountability of software companies, security through diversity, and why he would rather re-write Windows than TCP/IP. . . .

LinuxSecurity.com Team
Aug 12, 2004

SSH Authentication Overview: Differences Between SSH1 and SSH2

SSH is one of the premier Security tools in use today. SSH is most commonly used to gain a remote shell, but it can be used for file transfers, to display remote X applications on a local machine, and even to securely connect to services that lack encryption. Unfortunately, many who use it from day to day don't have a good understanding of how it actually works. Many people know that SSH1 is deprecated, and that SSH2 has taken its place, but how many know how authentication actually works for both? I didn't, and that bothered me, so I set out to do some research. . . .

LinuxSecurity.com Team
Aug 11, 2004

Understanding Digital Signatures And RSA Encryption For Downloads

The trick of public key encryption -- the best known approach is called RSA for the initials of its inventors -- is that one key can be used to scramble the data while a different, mathematically related, key is used to unscramble it. When you download a digitally signed program, the first thing your computer does is check the Web site's digital certificate. It then queries the CA that issues the certificate to make sure it's still valid and to obtain the public key. . . .

LinuxSecurity.com Team
Aug 11, 2004

Bruce Schneier's Insights On Cryptography And Open Source Debate

I've been reading Bruce Schneier's Book on cryptography for the last couple of days, and one of the main concepts in the text struck me as interesting. One of the points of discussion when looking at the security of a given algorithm is its exposure to scrutiny. Bruce explicitly states that no one should ever trust a proprietary algorithm. He states that with few exceptions, the only relatively secure algorithms are those that have stood the test of time while being poured over by thousands of cryptanalysts. . . .

LinuxSecurity.com Team
Jul 20, 2004

Key Learnings on Encryption Methods from the CEO of nCipher Security

In this 8:13 minutes long audio learning session, Alex van Someren, Chief Executive Officer at nCipher, talks about the process of encryption, the difference between symmetric and asymmetric encryption, need for hardware crypto accelerators and more. . . .

LinuxSecurity.com Team
Jul 19, 2004

Exploring Six-Node Quantum Network for Secure Key Exchange

Quantum cryptography has the potential to guarantee perfectly secure communications, but until now all of the prototype systems have been point-to-point links rather than networks that share connections. . . .

LinuxSecurity.com Team
Jul 14, 2004

Exploring Digital Certificates: Insights from Dr. Phillip Hallam-Baker

n this 3:43 minutes long audio learning session, Dr. Phillip Hallam-Baker, Principle Scientist and Web Services Security Architect at Verisign, talks about Public Key Cryptography and introduces the listeners to the importance of digital certificates. . . .

LinuxSecurity.com Team
Jul 09, 2004

U.S. Breaks Iranian Codes: Implications for National Security

Recent reports that the United States had broken codes used by the Iranian intelligence service have intrigued experts on cryptology because a modern cipher should be unbreakable. Four leading British experts told BBC News Online that the story, if true, points to an operating failure by the Iranians or a backdoor way in by the National Security Agency (NSA) - the American electronic intelligence organisation. . . .

LinuxSecurity.com Team
Jun 15, 2004

Exploring Email Encryption: Risks Of Trust And Impersonation

Gadi Evron, an information security researcher based in Israel, generally signs his posts to the list with his PGP signature, due to the fact that his email address is constantly used by spammers. Anyone who wants to verify an signed email is actually from the person claiming to send it, can do so. . . .

LinuxSecurity.com Team
Jun 01, 2004

EU Quantum Cryptography Initiative: $13 Million For Secure Communication

The European Union plans to invest $13 million during the next four years to develop a secure communication system based on quantum cryptography, using physical laws governing the universe on the smallest scale to create and distribute unbreakable encryption keys, project coordinators said today. . . .

LinuxSecurity.com Team
May 26, 2004

Turing Award 2002: RSA Founders Reflect on Cryptography Innovations

The famous cryptographers Leonard Adleman, Ronald Rivest, and Adi Shamir - the developers of the RSA encryption code - received the Association for Computing Machinery's 2002 Turing Award "for their seminal contributions to the theory and practical application of public-key cryptography." Their Turing Award lectures, given last June, are available online. . . .

LinuxSecurity.com Team
May 11, 2004

Exploring Malware and Cryptography in Cybersecurity Trends

Most people are familiar with malware- viruses, worms, Trojans, etc.- and most people are familiar, at least with the concept, of cryptography. However there are far fewer people that truly understand either of these technologies, and even fewer still who understand how the two can be combined to create the next generation of malicious code. Good reading, but a certain level of understanding of malware and cryptography is needed in order to follow the information in this book. . . .

LinuxSecurity.com Team
May 10, 2004

Exploring Quantum Cryptography and Its Applications for Security

Quantum cryptography, a technology that uses photons to encrypt communications over fibre-optic lines and the air, is starting to come out of the laboratory and into commercial use. Some technology watchers say quantum crypto continues to have an aura of secrecy because the ... . . .

LinuxSecurity.com Team
Apr 30, 2004

Multinational Team Achieves Success In RSA Security Encryption Challenge

RSA Security on Tuesday said that over three months of consistent effort helped a team of mathematicians from Europe and North America solve the company's latest encryption puzzle. The multinational team of eight experts used about 100 workstations to crack the code that won them a $10,000 prize. . . .

LinuxSecurity.com Team
Apr 29, 2004

Exploring Paul Kocher's Role In Cryptography And Security Practices

Paul Kocher, president and chief scientist of Cryptography Research, came to prominence in the industry by breaking things. In 1998, the company cracked security on smart cards by monitoring how much power their internal microprocessors used. Kocher also came up with the software inside Deep Crack, a machine tailored to crack encrypted documents. . . .

LinuxSecurity.com Team
Apr 29, 2004

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