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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: 0.302s | source
1. DarkCrusader2 ◴[15 Apr 25 05:03 UTC] No.43689133[source]▶
Another post which describes the TOTP concisely - https://drewdevault.com/2022/10/18/TOTP-is-easy.html