authenticity

IBM brings the fight to counterfeiters with nano-sized authentication methods (video)

Source: http://www.engadget.com/2012/12/04/ibm-brings-the-fight-to-counterfeiters-with-nano-sized-authentic/

IBM brings the fight to counterfeiters with nanosized authentication methods

As counterfeiters continue to up their game, technology’s quest for the ultimate method of proving authenticity goes on. We’ve seen ideas at the nano level before, but IBM thinks its latest research might be so difficult to reverse engineer, that it’s impossible for forgers to reproduce. IBM scientist Dr. Heiko Wolf explains that the basic principle involves using the surface tension of water to orient nanorods on a stamp, which can then be printed onto any surface. These nanorods are so small that gravity alone isn’t enough to place the particles into predetermined patterns, such as corporate logos. IBM’s researchers have also patented a related nano-patterning method that uses fluorescent spheres that can take the color red, blue or green. These then arrange themselves in a completely random order, which is mathematically so difficult to replicate it’s known as PUF (physically uncloanable function). Both methods can be applied to a broad selection of objects, making them ideal candidates for anti-counterfeit detection for everything from diamonds to passports — all that’s needed to verify authenticity is an optical microscope. Don’t get your Picasso out of the vault just yet though, as it’s estimated that it’ll be another five years or so before the technology will find its way to market.

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Tuesday, December 4th, 2012 news No Comments

Sennheiser boasts anti-counterfeit efforts, unveils new authentication technologies

Source: http://www.engadget.com/2012/08/22/sennheiser-anti-counterfeit-china/

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You know Sennheiser’s pissed when it holds a press conference just to talk about its anti-counterfeit efforts. In Guangzhou yesterday, the German audio company brought along two executives to debut its new authentication technologies on its retail packaging: a shiny Tesa PrioSpot authenticity label plus a “fool-proof” online look-up system. For the former, President of Corporate Services Volker Batels claims it’s treated as securely as one would with cash money, in the sense that it has many visible and invisible features.

There’s also a QR code plus its corresponding label ID printed below the foil, and scanning the former or entering the latter on qr-sennheiser.com returns a virtual copy of the foil label plus a visual description. If what you have matches the label on the screen then hakuna matata. But if the code’s been looked up many times already, the website will also give you a warning like in the screenshot after the break — chances are the label’s been duplicated, so potential buyers should always check this before handing the money over.

Marc Vincent, the company’s President of Greater China, aims to have this “urgent project” covering most products by the end of this year. “We have been fighting counterfeits for five years with some result, but now we have officially declared war on counterfeiting,” Mr. Vincent said in a stern voice. “Manufacturers of counterfeit products are social parasites. They really damage our reputation.”

Gallery: Sennheiser boasts anti-counterfeit efforts, unveils new authentication technologies

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Sennheiser boasts anti-counterfeit efforts, unveils new authentication technologies originally appeared on Engadget on Wed, 22 Aug 2012 15:09:00 EDT. Please see our terms for use of feeds.

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Wednesday, August 22nd, 2012 news No Comments

1024-bit RSA encryption cracked by carefully starving CPU of electricity

Source: http://www.engadget.com/2010/03/09/1024-bit-rsa-encryption-cracked-by-carefully-starving-cpu-of-ele/

Since 1977, RSA public-key encryption has protected privacy and verified authenticity when using computers, gadgets and web browsers around the globe, with only the most brutish of brute force efforts (and 1,500 years of processing time) felling its 768-bit variety earlier this year. Now, three eggheads (or Wolverines, as it were) at the University of Michigan claim they can break it simply by tweaking a device’s power supply. By fluctuating the voltage to the CPU such that it generated a single hardware error per clock cycle, they found that they could cause the server to flip single bits of the private key at a time, allowing them to slowly piece together the password. With a small cluster of 81 Pentium 4 chips and 104 hours of processing time, they were able to successfully hack 1024-bit encryption in OpenSSL on a SPARC-based system, without damaging the computer, leaving a single trace or ending human life as we know it. That’s why they’re presenting a paper at the Design, Automation and Test conference this week in Europe, and that’s why — until RSA hopefully fixes the flaw — you should keep a close eye on your server room’s power supply.

1024-bit RSA encryption cracked by carefully starving CPU of electricity originally appeared on Engadget on Tue, 09 Mar 2010 02:47:00 EST. Please see our terms for use of feeds.

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Tuesday, March 9th, 2010 news 1 Comment

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