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Computer Security Resource Center

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    Presentations 2021
Presentation

Verifying Post-Quantum Signatures in 8 kB of RAM

June 9, 2021

Presenters

Ruben Anthony Gonzalez - Hochschule Bonn-Rhein-Sieg

Description

All post-quantum signatures have a larger combined size of public key and signature compared to RSA and DL-based signatures. This can pose challenges if signatures need to e verified in very constrained devices and is especially important when the payload of the signed message is much smaller than the signature, due to additional transmission overhead required for the signature. Such short messages are for example used in the real-world use case of feature activation in the automotive domain. Feature activation is the remote activation of features that are already implemented in the soft-and hardware of the car. For example, an additional infotainment package. Usually, a short activation code is protected with a signature to prevent unauthorized activation of the feature.

Event Details

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 Related Topics


            

                Security and Privacy:
                    post-quantum cryptography            

    


        

        






    


            Created June 09, 2021, Updated June 10, 2021