Cryptography to Ensure RFID Tag Security
Filed in archive Privacy and Security on August 12, 2005
A Danish privacy consultant and a security company have joined forces on a novel approach to RFID tag security in the retail supply chain.
Stephan Engberg of Open Business Innovation has developed certain new RFID privacy enhancing technology that has been licensed by RFIDSec.
The approach calls for enhancing RFID chips with cryptographic functions. The chips then would have two modes: "EPC mode" and "privacy mode."
In the B2B supply chain the chips operate in EPC mode and contain all the data that businesses need.
At the point of sale, the chips are switched to privacy mode and the consumer is in control. The consumer may have the tag be entirely silent and not give out information, or may allow certain data to be transferred in limited situations for warranty claims and so on.
A report on this novel approach to consumer privacy can be found here (PDF).
Tags: RFID; Business; supply chain
Permalink: Cryptography to Ensure RFID Tag Security
Tags: rfid security privacy wireless ensure rfid+security ensure+rfid cryptography+ensure
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Response from:
MT
(08/12/05 4:32pm)
One thing this assumes is that item level tagging will be done with tags of the same frequency as currently used pallet/case. This is contrary to widely held beliefs across the industry. Prediction: Item-level tag will be 13.56 polymer-based IC.
Response from:
SJE
(08/15/05 5:30am)
I dont see any reason as to the limitation, you talk about?
On the contrary by introducing approaches that makes tags remain quit unless addressed properly, you go far towards preventing the exploding problems of overlapping UHF-communication.
On the item-level tag, I see this split out in a non-sensitive non-consumer oriented cheap mass-market which could well be polymer RFIDs and intelligent RFIDs for all the products where services, convenience, security or consumer loyalty and trust matter.
The intelligent RFIDs will open the item-level market. Not the cheap ones as they are faced with the chicken and egg problem.
On the contrary by introducing approaches that makes tags remain quit unless addressed properly, you go far towards preventing the exploding problems of overlapping UHF-communication.
On the item-level tag, I see this split out in a non-sensitive non-consumer oriented cheap mass-market which could well be polymer RFIDs and intelligent RFIDs for all the products where services, convenience, security or consumer loyalty and trust matter.
The intelligent RFIDs will open the item-level market. Not the cheap ones as they are faced with the chicken and egg problem.
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