John Baldwin
Member at Ararat River Consulting, LLC
Ashland, Virginia, United States
Summary
🤩
Rockstar🎓
Top SchoolJohn Baldwin is a veteran FreeBSD committer and systems engineer with 26 years of experience building and maintaining core OS and debugging infrastructure. He contributes to high-profile open source projects such as OpenSSL—where he improved kernel TLS support and added FreeBSD-specific fixes—and GDB, bridging low-level networking, crypto, and debugger internals. As a long-time FreeBSD src committer and maintainer, he combines production-grade systems work with teaching experience from lecturing on operating systems. Based in Ashland, Virginia, he runs Ararat River Consulting while continuing to shape foundational open-source tooling used in critical infrastructure.
26 years of coding experience
11 years of employment as a software developer
Virginia Tech
English
Github Skills (12)
c1710
mtls10
ssl10
tls1210
c1110
tls1310
openssl10
cryptography10
encryption10
freebsd10
libtls10
decryption10
Programming languages (15)
Github contributions (5)
openssl/openssl
Aug 2019 - Mar 2022
TLS/SSL and crypto library
Role in this project:
Back-end Developer
Back-end DeveloperContributions:30 reviews, 32 commits, 17 PRs in 2 years 6 months
Contributions summary:John's contributions primarily focused on enhancing and maintaining the kernel TLS (KTLS) implementation within the OpenSSL library. They made several code changes to support KTLS, including adding support for new ciphersuites like those using SHA2-384, and extending KTLS functionality to cover new connection types. The user refactored KTLS test cases and added FreeBSD-specific support and fixes, indicating involvement in both implementation and testing of KTLS features. These modifications optimized and expanded the library's cryptographic capabilities related to TLS.
crypto-librarycryptographyssltlscrypto
bsdjhb/llvm-project
Oct 2019 - Nov 2022
This is the canonical git mirror of the LLVM subversion repository. The repository does not accept github pull requests at this moment. Please submit your patches at http://reviews.llvm.org.
Contributions:16 pushes, 5 branches in 3 years 1 month
subversionbazelclanglibgit2submit
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