Hotp
Showing 16 of 16 projects
Open-source implementations of one-time passcode generators for Blackberry and iOS, supporting HOTP and TOTP standards.
A self-hosted web app to manage your Two-Factor Authentication (2FA) accounts and generate security codes.
A PHP implementation of Google Authenticator-compatible two-factor authentication using HOTP and TOTP algorithms.
A .NET library for generating and validating TOTP and HOTP codes, commonly used for two-factor authentication.
A Go library providing simple, clean, and idiomatic authentication for modern APIs and web applications.
A command-line TOTP/HOTP authenticator with strong encryption, import capabilities, and an interactive dashboard.
A command-line OTP authenticator written in Rust that generates time-based and counter-based one-time passwords.
An Erlang library for generating Google Authenticator compatible HMAC-based (HOTP) and time-based (TOTP) one-time passwords.
A lightweight Java library for generating and verifying HOTP and TOTP one-time passwords compliant with RFC 4226 and RFC 6238.
A Go library for generating TOTP and HOTP one-time passwords with customizable parameters.
A J2ME Java application for generating HOTP/TOTP one-time passwords on feature phones.
A Go library for generating and verifying HMAC-Based (HOTP) and Time-Based (TOTP) one-time passwords.
A Crystal library for generating HOTP and TOTP codes for two-factor authentication.
A hardware-based OTP generator using ESP8266 and Micropython for banking-grade security.
A V module for generating and verifying TOTP and HOTP one-time passwords with SHA1, SHA256, and SHA512 support.
A formally verified TOTP library for two-factor authentication, implemented in SPARK with runtime error guarantees.
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