Kaleb Himes
Senior Software Engineer at wolfSSL
Montana, United States
Summary
🤩
Rockstar🎓
Top SchoolKaleb Himes is a Senior Software Engineer with 12+ years building and certifying cryptographic software for constrained and cloud environments, specializing in wolfSSL’s wolfCrypt library and embedded TLS/DTLS implementations. A U.S. Army infantry veteran who transitioned to computer science via the GI Bill, he blends discipline from multiple combat deployments with deep hands-on expertise in C, CI/CD (Jenkins), and FIPS validation processes. At wolfSSL he architected and maintained an embedded CAVP/ACVP test harness for targets without filesystems, led CI migration to cloud VMs, and supports FIPS certifications across IoT and server platforms. He contributes substantial backend and security-focused changes to the widely used wolfSSL open-source project, including protocol examples and multi-threaded DTLS servers. Known for pragmatic tooling and automation—shell scripting, build-system updates, and test automation—he also represents technical customers at industry events.
12 years of coding experience
2 years of employment as a software developer
Stevensville High SchoolBachelor of Science (BS), Computer Science, Bachelor of Science (BS), Computer Science at Montana State University-Bozeman
Stackoverflow
611reputation
25kreached
35answers
3questions
Github Skills (23)
ssl10
tls1210
c-programming10
c1110
tls1310
security10
c1710
mtls10
cryptography10
libtls10
dtls10
network-programming9
multithreading9
header-files9
certificate8
Programming languages (10)
Github contributions (5)
wolfSSL/wolfssl-examples
May 2014 - Mar 2022
Example applications using the wolfSSL lightweight SSL/TLS library
Role in this project:
Back-end Developer & Security Engineer
Back-end Developer & Security EngineerContributions:16 reviews, 424 commits, 125 PRs in 7 years 11 months
Contributions summary:Kaleb contributed significantly to the wolfSSL examples repository, specifically focusing on DTLS protocol implementation. The user's work included the development of a multi-threaded DTLS server, demonstrating an understanding of network programming. They also implemented file-based I/O callbacks, highlighting expertise in data transfer and protocol security. Further, the user integrated security features related to loading and verifying certificates within the established framework.
ssl-tlstlssslwolfsslcms
wolfSSL/wolfssl
Dec 2014 - Dec 2022
The wolfSSL library is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. wolfSSL supports up to TLS 1.3 and DTLS 1.3!
Role in this project:Back-end Developer & Security Engineer
Back-end Developer & Security EngineerContributions:190 reviews, 598 commits, 530 PRs in 8 years 1 month
Contributions summary:Kaleb's commits primarily involve refactoring and updating the wolfSSL library's headers and source files. The changes center on transitioning from legacy or older code to newer versions of the library, which involved changes to pre-processor macros, and a few source code modifications. Furthermore, the user's work included updates and improvements to the build scripts and configuration settings, reflecting a focus on ensuring the project remains up to date and secure, as well as addressing code issues identified.
trusted-execution-environmentdata-storageopenssl-apiwolfsslfhe
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