Ignat Korchagin
Staff System Engineer at Citadel
United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolIgnat Korchagin is a Staff System Engineer and seasoned security-focused engineering leader with 12+ years of experience designing and hardening large-scale Linux platforms and cryptographic systems. He has led kernel and OS release engineering, performance and security optimizations, and hardware security feature enablement at Cloudflare and contributed deep cryptography and secure-system expertise at Samsung and Cossack Labs. Equally comfortable in management and hands-on work, he has implemented low-level crypto features — including X25519/ED25519 key support and interactive master-password handling — in open-source projects like gokey. His background in academic cryptography, product security, and an Executive MBA enables him to balance technical rigor with strategic delivery across distributed infrastructure. Notable but less obvious: he routinely leaves the comfort zone, blending research-grade cryptographic engineering with practical production deployments.
12 years of coding experience
17 years of employment as a software developer
Executive MBA, Business Administration and Management, General, Executive MBA, Business Administration and Management, General at Quantic School of Business and TechnologyMaster's degree, Applied Linguistics, Master's degree, Applied Linguistics at Ukrainian Institute of Linguistics and ManagementIgor Sikorsky Kyiv Polytechnic Institute
Украинский, Русский, Английский
Github Skills (24)
debug10
memory-management10
c1110
linux-kernel10
network-programming10
rsa10
c1710
kernel10
go10
key-generation10
password-manager10
x2551910
1password10
password-vault10
security9
Programming languages (12)
Github contributions (5)
cloudflare/gokey
Oct 2016 - Sep 2022
A simple vaultless password manager in Go
Role in this project:
Back-end Developer
Back-end DeveloperContributions:4 releases, 23 reviews, 30 commits in 5 years 11 months
Contributions summary:Ignat primarily contributed to the `gokey` project by implementing features related to key generation and master password handling. They added support for X25519 and ED25519 private keys, including the necessary ASN.1 encoding and PEM encoding capabilities. Additionally, the user implemented interactive master password input via the terminal. Furthermore, they tracked changes to the stdlib RSA key generation and imported specific prime generation algorithms.
1passworded25519password-storersa-keypassword
cloudflare/linux
Feb 2020 - Jul 2022
Contributions:2 reviews, 4 commits, 6 PRs in 2 years 4 months
kernelcloudflarelinuxlinux-kernelpatches
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