Is a 256 Bit crypto-key big enough to secure your application?
By Kerry Maletsky, AtmelEmbedded.com (04/17/09, 10:58:00 PM EDT)
Development of products using the latest technology costs a lot of money. The greater the development cost, the greater the temptation to clone the product. Counterfeit goods comprise between 1% and 5% of worldwide trade, and it is growing at an alarming rate.
Since the cloner doesn't have a reputation to protect, quality and performance often suffer. The cloner can make a greater profit and offer the product at a lower cost by bypassing the development process and cutting corners on product safety and reliability. The result can be annoying if an ink cartridge fails. It can be expensive if a counterfeit battery damages the end-product. It can be life-threatening if a medical consumable is below standard..
Another issue is microprocessor firmware. Hackers are constantly figuring out ways to defeat product features intended to product the end-user from unauthorized firmware downloads.
While opening up a mobile phone to additional service providers may seem attractive, it puts the phone at risk of getting malware that could compromise the end-users personal information or damage the phone itself.
The harm done to the end-user by counterfeit products or software can damage the reputation of the OEM, increasing product liability, maintenance and warranty costs, and decreased sales in the future..
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