Send in your ideas. Deadline October 1, 2024
Theme fund: NGI Zero Core
Start: 2024-04
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Middleware and identity

Client Proof-of-Work in TLS

Mitigation against DoS amplification on the TLS handshake

The computationally expensive nature of asymmetric crypto in TLS makes it vulnerable to denial-of-service attacks. We propose an extension to TLS that mitigates this attack vector, shifting the advantage from the attacker to the defender. The project will deliver a draft spec, mergeable patches for leading TLS libraries, and a measurement report explaining the results.

Run by Stichting Trifecta

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This project was funded through the NGI0 Core Fund, a fund established by NLnet with financial support from the European Commission's Next Generation Internet programme, under the aegis of DG Communications Networks, Content and Technology under grant agreement No 101092990.