Documents and presentations:
- https://eprint.iacr.org/2021/910 (original SECDSA paper)
- https://wellet.nl/SECDSA-EUDI-wallet-latest.pdf (SECDSA application to HSM-based EUDI wallet, especially Annex D)
- https://wellet.nl/SECDSA_HSM-wallet_ITU.pdf (extended version of ITU presentation)
- https://wellet.nl/ITU_Session4_Verheul.pdf (2-slide presentation for 30 March 2026 ITU workshop Geneva, Switzerland): ▶️ Watch my presentation (from 4:47) HERE
- Three gaps in the draft EUDI-wallet certification scheme — and how to resolve them (extended LinkedIn post)
- Security challenges in HSM-based wallets — and how Split-ECDSA solves them (presentation for the 17 April 2026 Yivi meeting)
- https://wellet.nl/ITU_Session3_Verheul.pdf (2-slide presentation for 2 June 2026 ITU workshop Geneva, Switzerland): ▶️ Watch my presentation (from 3:53) HERE
- A software-based WSCA that matches an HSM-firmware one — how a Monitoring Service detects a compromised WSCA in near real time, so that the WSCA need not run as HSM firmware. HERE
- The EUDI Wallet: Security challenges for the financial sector (presentation at the European seminar for Information Security Officers of the national central banks and the ECB on 6 October 2026)
- Presentation on SECDSA HSM-wallet cryptography (ECIES version)
- https://wellet.nl/20261015_GlobalPlatform_panel_EUDI_Wallet_Verheul.pdf (-slide reflection on EUDI Wallet security challenges — GlobalPlatform seminar, Brussels, 15 October 2026)
For further information: info@wellet.nl