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@litert/otp

v2.0.0

Published

The TOTP & HOTP implement for Node.JS

Readme

LiteRT/OTP

Strict TypeScript Checked npm version License GitHub issues GitHub Releases

The TOTP & HOTP implement for Node.JS.

Features

  • [x] HOTP (HMAC-based One-Time Password) algorithm implementation.
  • [x] TOTP (Time-based One-Time Password) algorithm implementation.
  • [x] OTP URL encoding and decoding.
  • [x] Command line tool:
    • [x] Generating OTP codes.
    • [x] Generating OTP URLs.
    • [x] Inspecting OTP URLs.
  • [x] Customization:
    • [x] Digits length from 4 - 10
    • [x] TOTP time-step (period)
    • [x] Digest algorithms including SHA-1, SHA-256, and SHA-512

Requirements

  • TypeScript v3.1.x (Or newer)

Installation

npm i @litert/otp --save

Usage

Use in code

See examples:

Click here for a quick start guide.

Use as a command line tool

npm i -g @litert/otp
# or install in local project only
npm i @litert/otp # -D # if only used in dev environment

Then you can generate TOTP codes

npx otp -k 'raw:1234567890'

Click here for more details about the CLI usage.

Documents

License

This library is published under Apache-2.0 license.