OTP Handler

A simple and lightweight Node.js package for generating and verifying One-Time Passwords (OTP).

Features

• Generate random numeric OTPs of any specified length
• Verify OTPs against the generated value
• Lightweight with no external dependencies
• Error handling included

Installation

npm install @krishna1584/otp-handler

Usage

const { otpGenerator, otpVerify } = require('@krishna1584/otp-handler');

// Generate a 6-digit OTP
const otp = otpGenerator(6);
console.log('Generated OTP:', otp);

// Verify the OTP
const userInput = '123456'; // User's input
const isValid = otpVerify(userInput);
console.log('OTP is valid:', isValid);

API

otpGenerator(length)

Generates a random numeric OTP.

• Parameters:
  • length (number): The desired length of the OTP
• Returns: String - The generated OTP
• Throws: Error if generation fails

otpVerify(userOtp)

Verifies if the provided OTP matches the generated one.

• Parameters:
  • userOtp (string): The OTP to verify
• Returns: Boolean - true if valid, false otherwise
• Throws: Error if verification fails

Author

Krishna

License

ISC