Medium dive on the Time-based One-time Passwords (TOTP) spec
TOTP Authenticator
Token2 | One-Time Password (OTP) Tokens | OATH-compliant Authentication Tokens and Cards | OATH-TOTP SHA-1 SHA-256 | Security of the TOTP hardware token secret keys (seeds) | TOKEN2 MFA Products and Services
Issuer option is not passed to otpauthURL in generateSecret · Issue #86 · speakeasyjs/speakeasy · GitHub
Two-step authentication | Getting Started | Particle
Two-factor authentication with TOTP | by Nicola Moretto | Medium
Time Drift in TOTP Hardware Tokens Explained and Solved - Protectimus Solutions
How TOTP (Time-based One-time Password Algorithm) Works for 2 Factor Authentication - YouTube
Configuring the Time-Based One-Time Password (TOTP) Tool for Two-Factor Authentication Using Google Authenticator - NetIQ® CloudAccess and MobileAccess Installation and Configuration Guide
Time based One Time Tokens for 2nd Factor (otpauth) | AuthPass.app Password Manager
Two-factor TOTP codes - sigsec
GitHub - arachsys/totp: RFC 6238 code generator compatible with Google Authenticator
Two-factor authentication with TOTP | by Nicola Moretto | Medium
Two-factor authentication with TOTP | by Nicola Moretto | Medium
How to Setup and Use Google Authenticator / Authy/ FreeOTP /TOTP with 2FA (V6.0) – LogmeOnce
Key Uri Format · google/google-authenticator Wiki · GitHub
TOTP Authenticator
GitHub - suvash/one-time: One Time Password (TOTP and HOTP) library for Clojure. TOTP/HOTP is widely used for Two Factor / Multi Factor Authentication.
GitHub - pyauth/pyotp: Python One-Time Password Library
Getting secret key for setting up TOTP when all you have is a QR code : r/KeePass
GitHub - scito/extract_otp_secrets: Extract one time password (OTP) secrets from QR codes exported by two-factor authentication (2FA) apps such as "Google Authenticator". The exported QR codes from authentication apps can be captured
