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 - heapsource/active_model_otp: Adds methods to set and authenticate against one time passwords (Two-Factor Authentication). Inspired in AM::SecurePassword
![How to generate a QR Code for Google Authenticator that correctly shows Issuer displayed above the OTP? - Stack Overflow How to generate a QR Code for Google Authenticator that correctly shows Issuer displayed above the OTP? - Stack Overflow](https://i.stack.imgur.com/UmS6X.png)
How to generate a QR Code for Google Authenticator that correctly shows Issuer displayed above the OTP? - Stack Overflow
![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 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](https://www.token2.com/img/7aL50X.jpg)
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
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
![Configuring the Time-Based One-Time Password (TOTP) Tool for Two-Factor Authentication Using Google Authenticator - NetIQ® CloudAccess and MobileAccess Installation and Configuration Guide Configuring the Time-Based One-Time Password (TOTP) Tool for Two-Factor Authentication Using Google Authenticator - NetIQ® CloudAccess and MobileAccess Installation and Configuration Guide](https://www.netiq.com/documentation/cloudaccess-2-2/install_config/graphics/totp-2f-auth_a.png)