rfc4226

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Spomky-Labs /otphp

Star1.4k

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

php otp totp hotp rfc-6238 rfc-4226 rfc6238 rfc4226

UpdatedJan 27, 2025
PHP

atlassian /1time

Star76

Lightweight, thread-safe Java/Kotlin TOTP (time-based one-time passwords) and HOTP generator and validator for multi-factor authentication valid for both prover and verifier based on shared secret

totp hotp mfa rfc-6238 rfc4226

UpdatedFeb 27, 2025
Kotlin

chillerlan /php-authenticator

Star50

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

php php7 php-library steamguard totp hotp authenticator google-authenticator 2fa 2-factor rfc6238 rfc4226 php8

UpdatedJul 17, 2024
PHP

alessiodionisi /node-otp

Sponsor

Star13

Node.js One-Time Password

nodejs typescript otp two-factor rfc6238 rfc4226

UpdatedApr 11, 2021
TypeScript

infocyph /OTP

Star13

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

php otp totp hotp rfc6238 ocra rfc4226 rfc6287 otphp

UpdatedSep 9, 2024
PHP

AndreyRusyaev /simpleauthenticator

Star6

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.

otp totp hotp google-authenticator rfc6238 otp-generator rfc4226 one-time-password totp-generator microsoft-authenticator hotp-generator

UpdatedJan 12, 2025
C#

haikelfazzani /otp

Star5

🔐 Zero dependencies Deno/Bun/Node/Browser module for TOTP and HOTP generator based on RFC 6238 and RFC 4226 🗝️

nodejs security cryptography otp browser totp hotp web-crypto 2fa rfc-6238 web-cryptography-api rfc4226 bun one-time-password deno

UpdatedAug 14, 2024
TypeScript

jameshi16 /Bad-TOTP

Star5

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

c sha1 sha256 sha512 rfc6238 rfc4226 rfc2104 rfc3174 rfc6234

UpdatedSep 6, 2023
C

HALILKAYAA /GenerateTOTP

Star3

TOTP: Time-Based One-Time Password Algorithm

combine rfc-6238 rfc4226 cryptokit swiftui otp-verification totp-generator

UpdatedDec 24, 2021
Swift

cerus /faktor

Sponsor

Star3

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

otp totp hotp google-authenticator authy 2fa rfc-6238 rfc-4226 rfc6238 otp-generator rfc4226 2factor one-time-password otp-verification totp-generator

UpdatedApr 8, 2023
Java

nasa9084 /go-hotp

Sponsor

Star1

a HOTP library for golang

golang hotp two-factor-authentication rfc4226 2factor

UpdatedJul 22, 2021
Go

your-local-developer /deno_otp

Star1

⚠️⚒️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.

typescript otp web totp hotp otpauth rfc-6238 rfc-4226 rfc6238 rfc4226 deno

UpdatedAug 7, 2022
TypeScript

your-local-developer /rs-otp

Star1

!!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.