cryptography
News
Two Centuries On, a Cryptologist Cracks a Presidential CodeFor more than 200 years, buried deep within Thomas Jefferson's correspondence and papers, there lay a mysterious cipher -- a coded message that appears to have remained unsolved.
Source : Topix.net | 03-Jul-2009 00:33
Boomerang attack against AES better than blind chance
Cryptographic researchers have uncovered a chink in the armour of the widely used AES algorithm.
Source : Topix.net | 02-Jul-2009 20:19
Researchers unite to distribute quantum keys
Researchers from across Europe have united to build the largest quantum key distribution network ever built.
Source : Topix.net | 02-Jul-2009 14:07
New Attack on AES
A blog covering security and security technology. July 1, 2009 New Attack on AES There's a new cryptanalytic attack on AES that is better than brute force: Abstract .
Source : Topix.net | 02-Jul-2009 09:43
Bugtraq: VMSA-2009-0008 ESX Service Console update for krb5
VMware Security Team -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------ VMware Security Advisory Advisory ID: VMSA-2009-0008 Synopsis: ESX Service Console update for krb5 Issue date: 2009-06-30 Updated on: 2009-06-30 CVE numbers: CVE-2009-0846 - ...
Source : Topix.net | 02-Jul-2009 01:30
Cryptography and Hashes
Hashes are a series of mathematical functions used to cover a base of encryption.
Source : Topix.net | 01-Jul-2009 21:11
Cyber Security, the Nuclear Threat and You
"The unleashed power of the atom has changed everything save our modes of thinking and we thus drift toward unparalleled catastrophe." Albert Einstein "The unleashed power of the Internet has changed everything, and presented us with an unparalleled opportunity." Martin Hellman Recently, on a glorious afternoon, under an azure blue sky, I drove ...
Source : Topix.net | 30-Jun-2009 20:57
Quantum breakthrough to provide security benefit
A scientist at the University of York has played a pivotal role in research which could help to make online communication more secure.
Source : Topix.net | 29-Jun-2009 13:38
Re: Password Masking research
Thinking of this as an information problem instead of a security one, what is needed to solve it is something like the hash codes as used in cryptography.
Source : Topix.net | 29-Jun-2009 00:32
Researcher Discovers Method to Fully Process Encrypted Data Without Knowing its Content
An IBM Researcher has solved a thorny mathematical problem that has confounded scientists since the invention of public-key encryption several decades ago.
Source : Topix.net | 28-Jun-2009 00:21
IBM develops crypto-peeking tech
IBM's Charles Lickel likens homomorphic encryption to performing "flawless neurosurgery while blindfolded." IBM believes it has cracked - " if you'll pardon the pun - " the tricky subject of handling and processing sensitive encrypted data.
Source : Topix.net | 27-Jun-2009 00:13
IBM Researcher Solves Longstanding Cryptographic Challenge
The breakthrough, called "privacy homomorphism," or "fully homomorphic encryption," makes possible the deep and unlimited analysis of encrypted information -- data that has been intentionally scrambled -- without sacrificing confidentiality.
Source : Topix.net | 26-Jun-2009 00:01
Crypto guru urges incentives for SSL cert recall
An SSL security guru is urging incentives to promote website certificate upgrade in response to problems with a widely-used digital-signature algorithm.
Source : Topix.net | 25-Jun-2009 14:49
strongSwan 4.3.2
It also fully supports the new IKEv2 protocol with Linux 2.6 kernels. It interoperates in both IKEv1 and IKEv2 mode with most other IPsec-based VPN products.
Source : Topix.net | 24-Jun-2009 13:49
Fraudsters try to scam security expert on eBay
When security expert Bruce Schneier tried to sell a used laptop on eBay, he thought it would be easy.
Source : Topix.net | 22-Jun-2009 13:39
Quantum entanglement
Abstract All our former experience with application of quantum theory seems to say that what is predicted by quantum formalism must occur in the laboratory.
Source : Topix.net | 21-Jun-2009 21:52
The Dawn Of Quantum Applications
Unbreakable cryptography, unimaginable simulations of profoundly complex problems and super-fast networks are just some of the promise held out by quantum computing.
Source : Topix.net | 18-Jun-2009 22:20
Ever Better Cryptanalytic Results Against SHA-1
The SHA family of cryptographic hash functions has been under attack for a long time.
Source : Topix.net | 16-Jun-2009 22:07
Atmel's AT91SO25 Secure Microcontroller Helps Achieve PCI 2.0...
Atmel Corporation and HomeATM announced today that the recent Payments Card Industry 2.0 certification of HomeATM's Safe-T-PIN is the result of an efficient collaboration between the two leaders on their markets.
Source : Topix.net | 16-Jun-2009 05:26
Nettle library 2.0
Nettle is a cryptographic library that is designed to fit easily in more or less any context: in crypto toolkits for object-oriented languages , in applications like LSH or GNUPG, or even in kernel space.
Source : Topix.net | 16-Jun-2009 01:00
How to generate CSR with SHA1 (Signature Algorithm) with certutil in Web 6.1 SPx
Signature Algorithm, in web server 6.1SPx. Then you can upgrade to 6.1SP11 which has default to SHA1 in CSR, e.g. Signature Algorithm: sha1WithRSAEncryption If you cannot upgrade to 6.1SP11 now, then you can create a new CSR with SHA1 with certutil -Z option.
Source : Topix.net | 15-Jun-2009 00:54
Improved Cryptanalysis of Rijndael
We also present the first known attacks on 7- and 8-round Rijndael. The attacks on 8-round Rijndael work for 192- bit and 256-bit keys.
Source : Topix.net | 14-Jun-2009 00:40
Look Before You LEAP
I don't think this is so much about the users. If you present them with the opportunity to utilize a stronger password and encorced it they will.
Source : Topix.net | 13-Jun-2009 00:30
Algorithmic Game Theory
Abstract In the last few years game theory has had a substantial impact on computer science, especially on Internet- and e-commerce-related issues.
Source : Topix.net | 12-Jun-2009 16:21
Crypto attack puts digital sig hash on collision course
Source: The Register Cryptographers have found new chinks in a widely-used digital-signature algorithm that have serious consequences for applications that sign email, validate websites, and carry out dozens of other online authentication functions.
Source : Topix.net | 12-Jun-2009 08:17
Crypto attack puts digital sig hash on collision course
Cryptographers have found new chinks in a widely-used digital-signature algorithm that have serious consequences for applications that sign email, validate websites, and carry out dozens of other online authentication functions.
Source : Topix.net | 12-Jun-2009 00:07
Cryptography: From ancient science to Win7 and Bing
Microsoft is continuing to improve the science of cryptography. There are a number of approaches to cryptography and its application to securing the identity of people, data and systems.
Source : Topix.net | 10-Jun-2009 19:41
Network Security Fundamentals
Submitted by Param on Sun, 2009-06-07 16:58. An introduction to the key tools and technologies used to secure network access Examine common security vulnerabilities and the defenses used to protect network resources Learn about cryptography, including modern-day techniques like 3DES, RSA, hashing, and the use of certificates Learn how to design, ...
Source : Topix.net | 10-Jun-2009 03:36
Comodo Simplifies Administration of Secure Email Certificates
With great power comes great responsibility. The power to beam messages and business correspondence around the world has revolutionized communications.
Source : Topix.net | 09-Jun-2009 13:11
Printer Sounds Revealing the Words Printed
German Heise writes : Combining automatic speech recognition and machine learning, Michael Backes - professor for cryptography and information security of Saarland university - and his research team were able to reconstruct nearly three quarters of texts printed with a needle printer by the printing sounds it made.
Source : Topix.net | 07-Jun-2009 13:08
Factoring Fun
Back in 1999 I discovered an interesting mathematical property that encompasses all base numbering systems, and which involves the use of modular arithmetic in conjunction with the "ceiling" digit of any base numbering system .
Source : Topix.net | 06-Jun-2009 13:01
Toshiba breaks secure technology record
The Toshiba research team, Toshiba Research Europe Limited, Cambridge, UK, have broken the distance record - over 100km of optical fibre - for the only unhackable form of communications called quantum cryptography, proving the broad commercial potential of the technology.
Source : Topix.net | 06-Jun-2009 04:50
HTTP BC - Security
Impossible himself says "I M Possible" :) RAGHUVIR's Techonloy Blog.. Friday Jun 05, 2009 HTTP BC - Security Definitions Symmetric-key algorithms are a class of algorithms for cryptography that use trivially related, often identical, cryptographic keys for both decryption and encryption.
Source : Topix.net | 05-Jun-2009 16:17
Optimizing Crypto for Intel Nehalem
Amitabha Banerjee of the Performance Group wrote 3 blog articles about improving OpenSolaris performance on Intel's "Nehalem" processor.
Source : Topix.net | 05-Jun-2009 08:13
Bryd students attend Tech discovery camp
C.E. Byrd High physical science teacher M. Keith Nash and six Byrd students are taking part in the Cyber Discovery Camp at Louisiana Tech University in conjunction with the Cyber Innovation Center this week.
Source : Topix.net | 05-Jun-2009 01:22
Firms urged to enter business awards arena for 2009
EADS Defence and Security has agreed to become the title sponsor of the Chambers of Commerce 2009 Business Awards for Wales.
Source : Topix.net | 03-Jun-2009 01:07
Cain and Abel 4.9.31
Cain & Abel is a password recovery tool for Microsoft Operating Systems. It allows easy recovery of various kind of passwords by sniffing the network, cracking encrypted passwords using Dictionary, Brute-Force and Cryptanalysis attacks, recording VoIP conversations, decoding scrambled passwords, recovering wireless network keys, revealing password ...
Source : Topix.net | 01-Jun-2009 00:58
Aerohive upgrade streamlines WLAN security
Aerohive Networks has introduced for its wireless LAN products a pre-shared encryption key that it says is more secure and easier to administer than the option in enterprise Wi-Fi Protected Access 2 , the widely used industry specification for WLAN security.
Source : Topix.net | 30-May-2009 00:51
Sailor Honored By Security Agency
A Theodore sailor killed last year in Pakistan will be honored this week in Maryland.
Source : Topix.net | 29-May-2009 07:18
Scientists demonstrate all-fibre quantum logic
A team of physicists and engineers have demonstrated all-fibre quantum logic, where single photons are generated and used to perform the contolled-NOT quantum logic gate in optical fibres with high fidelity.
Source : Topix.net | 28-May-2009 23:08
Upgrade to Suite B Security Algorithms
Most companies do not know what level of cryptography is required to properly protect their data lifeblood, nor do they have anyone tasked with assessing the coverage.
Source : Topix.net | 27-May-2009 23:25
OpenSSH chink bares encrypted data packets
The Register covers an OpenSSH bug . " The attack exploits subtle differences in the way SSH software reacts when encountering errors during cryptographic processing.
Source : Topix.net | 26-May-2009 16:06
.Net Framework 4.0: Introducing BigInteger
My previous posting was about performance of Fibonacci numbers algorithms . In this posting I will introduce you some problems related to limits of our usual integers and introduce you new feature in .Net Framework 4.0 - " big integers.
Source : Topix.net | 24-May-2009 15:51
Popular Smart Card Can Be Hacked, Researchers Show
University researchers have discovered vulnerabilities in NXP's MIFARE Classic card , which belongs to a family of smart cards with more than 1 billion units distributed worldwide.
Source : Topix.net | 23-May-2009 15:34
Encrypting Data in .NET Applications
Ia ve had several people ask me lately about encrypting data in .NET. Ia m not sure why the question has come up a lot recently, but ita s definitely something good to know if you have any sensitive data that needs to be stored.
Source : Topix.net | 22-May-2009 15:23
Public-Key Support for Collaborative Groups
CiteSeerX Beta mstone Abstract Abstract: In this paper, we describe a use of public-key cryptography to achieve access control over communication and data transfers in order to support the work of collaborative groups.
Source : Topix.net | 22-May-2009 07:20