Robin Van Der Gracht
Hard En Software Engineer at Protonic Holland
Almere, Flevoland, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolRobin Van Der Gracht is a hard- and software engineer with 14 years of experience building applications and hacking Linux kernels and file systems, based in Almere, Netherlands. He specializes in low-level, open-source system programming using C, Python3 (asyncio), and shell scripting, with a knack for embedded and security-sensitive environments. At Protonic Holland he combines hardware insight from an Elektrotechniek engineering background with pragmatic software craftsmanship to deliver robust, production-quality solutions. His open-source contributions to OP-TEE’s trusted OS—fixing RPMB decryption issues and hardening PKCS#11 token handling—show a focus on cryptographic robustness and secure object lifecycle management. Known for steady judgment under pressure and a dry sense of humour, he thrives both independently and in collaborative teams.
14 years of coding experience
Engineer, Elektrotechniek, Engineer, Elektrotechniek at Hogeschool INHOLLAND
Dutch, English
Github Skills (9)
c1710
tee10
pkcs10
c1110
cryptography10
trusted-execution-environment10
security9
sys9
embedded9
Programming languages (4)
Github contributions (5)
OP-TEE/optee_os
Nov 2020 - Jan 2021
Trusted side of the TEE
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 reviews, 5 commits, 4 PRs in 1 month
Contributions summary:Robin contributed to the Trusted Execution Environment (TEE) operating system, focusing on security and PKCS11 token management. They fixed a bug in the RPMB file system related to block decryption failures, improving the system's robustness. Furthermore, the user made several changes to the PKCS11 implementation, including removing persistent objects on token re-initialization and optimizing object loading during the find operation. These changes demonstrate a focus on security and cryptographic operations within the TEE environment.
trustedtee
rvdgracht/betaflight
Mar 2017 - Jun 2017
Contributions:22 pushes, 5 branches in 2 months
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