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Problem: How to Stop Inferior or Illegal Products
Companies are losing revenue (and reputation) due to aftermarket and grey-market suppliers that sell compatible products for less.
Example
An IoT device OEM needs a lightweight, scalable, and cost-effective method to create a trust link between their drone and their battery, so that it rejects any other battery that tries to connect.
Solution: Counterfeiting Detection in the Field
- The drone verifies the identity of the battery and starts an authentication protocol
- The battery MCU regenerates its private key from its SRAM PUF
- The battery proves its identity and livelihood in a challenge-response authentication protocol
- Counterfeit or rogue batteries are not able to generate the correct private key from their SRAM and fail to prove their identity to the drone