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Top 5 C Smartcard Projects
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Project mention: Evaluating and mitigating the growing risk of LLM-discovered 0-days | news.ycombinator.com | 2026-02-06
Glad to see that they brought in humans to validate and patch vulnerabilities. Although, I really wish they linked to the actual patches. Here's what I could find:
https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/c...
https://github.com/OpenSC/OpenSC/pull/3554
https://github.com/dloebl/cgif/pull/84
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tls-ca-manage
Multi-level Certificate Authority Management tool, front-end tool to OpenSSL, written in bash shell.
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C Smartcard discussion
C Smartcard related posts
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NIST: Personal Identity Verification (PIV) of Federal Employees and Contractors
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How do you put your private key files (.ppk) on a security key (HYPERFIDO U2F/FIDO2/HOTP) ?
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Unix sockets, Cygwin, SSH agents, and sadness
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Create Your Own Local Root CA With Yubikey Signing
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You can link an OpenPGP key to a German eID
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Enhance your Network Security with Zero Trust and OTP
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SSH from any computer using FIDO2 resident key, multiple keys and hosts.
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A note from our sponsor - SaaSHub
www.saashub.com | 7 Jun 2026
Index
What are some of the best open-source Smartcard projects in C? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | OpenSC | 3,017 |
| 2 | vsmartcard | 844 |
| 3 | putty-cac | 562 |
| 4 | PCSC | 336 |
| 5 | tls-ca-manage | 43 |
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