David Garske
Software Engineer at wolfSSL
California, United States
Summary
🤩
Rockstar🎓
Top SchoolDavid Garske is an experienced software engineer based in California with 11 years focused on embedded systems and security software. He specializes in implementing and hardening TLS/crypto features for constrained devices, contributing notable examples and MQTT/TLS enhancements to the wolfSSL ecosystem. David has hands-on IoT experience—adding FreeRTOS TCP support, mutual TLS, OTA firmware signing/verification, and MQTT v5 features—demonstrating a practical blend of security and embedded networking. He thrives on troubleshooting and creative problem-solving, shipping clean, reliable code and improving code quality in open-source projects. Equally comfortable in small teams or larger engineering groups, he brings a steady, results-driven approach to delivering secure embedded solutions.
11 years of coding experience
AA, AA at Cosumnes River CollegeProficiency, Proficiency at Oak Ridge High School
Github Skills (22)
ec10
tls1210
mqtt10
c-programming10
c1110
tls1310
rsa10
mqttnet10
security10
ecdsa10
c1710
mtls10
iot10
sys10
cryptography10
Programming languages (11)
Github contributions (5)
wolfSSL/wolfMQTT
Oct 2015 - Jan 2023
wolfMQTT is a small, fast, portable MQTT client implementation, including support for TLS 1.3.
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:18 releases, 228 reviews, 368 commits in 7 years 3 months
Contributions summary:David's contributions primarily focus on enhancing the wolfMQTT client library, particularly for embedded and IoT applications. They have implemented features such as TLS mutual authentication and added support for the FreeRTOS TCP stack and other network-related improvements. Furthermore, the user worked on an Arduino example for client connectivity, alongside fixes and new functionalities for MQTT v5 protocol compliance. They also developed example firmware push client and server applications for Over-The-Air (OTA) updates, which involves code related to signing/verification with wolfSSL crypto routines.
mqttmqtt-clientwolfssltlsmqqt-packet
wolfSSL/wolfssl-examples
Nov 2015 - Jan 2023
Example applications using the wolfSSL lightweight SSL/TLS library
Role in this project:Back-end & Security Engineer
Back-end & Security EngineerContributions:230 reviews, 234 commits, 198 PRs in 7 years 3 months
Contributions summary:David primarily worked on implementing and enhancing the wolfSSL library's example programs, specifically focusing on security-related areas like cryptographic signatures. The commits introduce RSA and ECC signature examples, adding support for various hash algorithms and signature types. Furthermore, the user addressed code quality by fixing missing `fclose` calls, and improving the TLS v1.3 and general examples.
sslwolfsslcmscryptographydtls
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