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Gravotech, Oridao Unveil System that Prevents Tag Counterfeiting, Cloning
The solution is designed to make it easy for companies to securely track critical information about components, tools and other items that need to be traced throughout their lifecycles.
The RFID tags, developed and manufactured by Oridao, have embedded security features, including both Electronic Product Code (EPC) user memory and secured access memory, in addition to a 256-bit Hash function that protects the ASIC's critical data and maintains the stored data's integrity. The tags also use Pathchecker, Oridao's secure traceability protocol that enables the authentication of each tag read during the product's complete lifecycle. Basically, says Nicolas Reffé, Oridao's president and CEO, the protocol enables the tag to be encoded, or digitally signed, every time it receives new data or is interrogated during the tagged product's lifecycle, so that all of the collected information can then be traced and authenticated. At each point along the supply chain, an RFID reader updates a tag's internal state by using some secret information. A reader at the end of a defined path (such as a supply chain) verifies that the internal state is consistent with the list of updates that it should have received. The Pathchecker protocol's aim, Reffé says, is to check that a given tag has followed the correct path, in order to prevent such problems as counterfeit products being introduced somewhere in the supply chain.
All of the security features are designed to prevent cloning, Reffé says, which is critical for such industries as aerospace and defense. "A tag can be cloned in a matter of seconds, very easily," he states. "Not very many people are aware of this. If a company wants to track and trace sensitive objects and sensitive data, you have to protect the tag, and we do this with these hardened tags." According to Reffé, most traceability systems currently on the market can be easily corrupted, and cannot provide proof of integrity for critical operating data, like proper maintenance or part status.
Oridao's RFID tag, which Reffé says is about half the size of a credit card, is available in two versions, containing 2 kilobits and 8 kilobytes of non-volatile memory, respectively. Both tags come with 496 bits of EPC memory, comply with the EPC Gen 2 and ISO 18000-6C standards, and can be interrogated using any standards-based UHF RFID reader. Reffé says his company is currently developing a version featuring 1 megabyte of memory. The tag is available with a silicon or plastic housing and is fully sealed; the silicon version can withstand temperatures ranging from -40 degrees to +250 degrees Celsius (-40 degrees to +482 degrees Fahrenheit). The silicon-encased tag can be marked with laser-etching, and the tag in plastic can be affixed to an engraved stainless steel plate.
The Augmented Traceability solution is available now. Each solution can be customized to fit a client's particular needs.
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