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Behind the 6-digit code: Building HOTP and TOTP from scratch

(blog.dogac.dev)
248 points dogacel | 1 comments | 11 Apr 25 13:06 UTC | HN request time: 0.203s | source
1. calvinmorrison ◴[15 Apr 25 17:11 UTC] No.43695688[source]▶
here's my small totp generator i use written in perl

https://git.ceux.org/totp-perl.git/tree/totp.pl