Show HN: Pinhead – Adding 2FA to Your CLI (Linux, FreeBSD, OpenBSD, NetBSD)

**Show HN: Pinhead – Adding 2FA to Your CLI (Linux, FreeBSD, OpenBSD, NetBSD)**

Hi everyone,I’ve developed a minimalist 2FA tool (TOTP) for CLI. My goal was to create something with the widest possible reach across Unix-like systems without the typical dependency bloat.Key features:- Pure ANSI C: No external dependencies beyond libc.- Wide Portability: Tested and running on Linux, FreeBSD, OpenBSD, and NetBSD.- Security focused: Fixed-width types, endianness-aware, and compiled with stack protection flags.- Lightweight: Fast execution, ideal for integration into scripts and legacy infrastructure.- Build for final users is gmake based but without autotools.The project is hosted on Codeberg under the BSD-3-Clause license. I’m currently in the final polishing stage and would love to hear your thoughts on the code structure and portability.Check it out here: https://codeberg.org/rafael-santiago/pinhead Comments URL: https://news.ycombinator.com/item?id=47226103 Points: 2 # Comments: 0

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