Continuing from my previous article, we’re taking a closer look at generating QR codes for OTP apps. The purpose is not to dive into the specifications of QR or the encoding technologies that it employs, such as Reed-Solomon codes for error correction. Instead, we’d like to wrap our heads around the process of capturing QR codes with apps like Authenticator and verifying TOTPs within the app.
[Read More]A Closer Look at 2FA with Rust
Crafting One-Time Passwords
The view from Mt. Karamatsu, the 93rd highest mountain in Japan, as photographed by me in Sep. 2022.
Lately, at Acompany, we started using IDaaS, and steadily making use of One-Time Passwords (OTPs) has become a regular part of my daily grind. Motivated by this, I decided to dive in and get my hands dirty, exploring the nitty-gritty of generating OTPs. I’ll share the insightful stuff I gained after falling down the rabbit hole.
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