Sujit Kumar
Software Engineer — Code Signing
Sujit builds code signing workflows at QCecuring. He writes about software supply chain security, signing best practices, and developer-friendly security tooling.
3 articles published
Code signing
How To Generate PGP Key Pair (2025 Complete Guide)Generate secure PGP key pairs with GPG, Kleopatra, and CLI tools. Best practices for Windows, Linux, macOS, and enterprise key management.
14 Dec, 2025 · 16 Mins read
Code signing
What Is Code Signing? The Enterprise Guide to Supply Chain TrustLearn what code signing is, how it works, and why enterprises rely on it to secure software, CI/CD pipelines, and trust.
12 Dec, 2025 · 04 Mins read
Pki
What Is a Trust Store? Issues & How to Fix Certificate Errors (2025)Struggling with trust store errors like 'certificate not trusted' or 'unable to find valid certification path'? Learn what a trust store is, how trust stores validate SSL certificates, common trust store issues, and step-by-step fixes for Windows, Linux, macOS, Python, Node.js, Docker, and more.
28 Nov, 2025 · 19 Mins read
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