Cross-platform console C#/.Net implementation to generate one time passwords (TOTP/HOTP) for open authentication defined by standard RFC's (4226, 6238). Compatible with Google/Microsoft Authenticator apps.

A Time-Based (RFC 6238) and HMAC-Based (RFC 4226) One-Time Password Algorithm Implementation in TypeScript. Used by Ordent project I maintain.

RFC 6238 code generator compatible with Google Authenticator

An implementation of the One-Time Password (OTP) algorithm in Dart.

RFC 6238 TOTP アプリ

🔐 A PHP library for generating one time passwords according to RFC 4226 (HOTP) and the RFC 6238 (TOTP)

A cli-based pass-backed TOTP app.

Simple but Secure Generic OTP, OCRA (RFC6287), TOTP (RFC6238) & HOTP (RFC4226) solution!

A generator for counter- and time based authentication codes (RFC-4226/RFC-6238, Google Authenticator).

One Time Password generation via RFC 6238

Generate otp

Modern .NET library for TOTP (RFC6238)

[Completed] TOTP implemented with RFC2104, RFC3174, RFC4226, RFC6234, RFC6238

TOTP, HOTP, HMAC-SHA1 implemented by MATLAB with test vector

🔐 Tiny & lightweight RFC 4226 & RFC 6238 compliant one-time password (HOTP/TOTP) generation & validation library for Java

⚠️⚒️WIP⚒️⚠️ A truely RFC complient HOTP (https://www.rfc-editor.org/rfc/rfc4226) and TOTP (https://www.rfc-editor.org/rfc/) implementation which can be used on the server and client.

!!UNMAINTAINED!! A truely RFC complient HOTP (https://www.rfc-editor.org/rfc/rfc4226) and TOTP (https://www.rfc-editor.org/rfc/rfc6238) implementation which can be used on the server and client.

Totp util base on rfc6238 for two step authentication

A hardware token that works with the two-factor authentication for GitHub, Google, Facebook, and so on.

Argus is an OTP Mobile App and support the Time-based One-time Password (TOTP) algorithm specified in RFC 6238.