Introduction to Keytar

Keytar is a lightweight and efficient native Node module used for managing secure Native Password Storage in a cross-platform manner. With easy-to-use APIs and robust security features, Keytar allows developers to store, access, and delete password items seamlessly from their applications.

Installation

  npm install keytar

API Usage Examples

Setting a Password

To save a password:

  
    const keytar = require('keytar');

    keytar.setPassword('service', 'accountName', 'password')
      .then(() => console.log('Password set successfully'));
  

Getting a Password

To retrieve a saved password:

  
    const keytar = require('keytar');

    keytar.getPassword('service', 'accountName')
      .then(password => console.log('Retrieved password:', password));
  

Deleting a Password

To delete a stored password:

  
    const keytar = require('keytar');

    keytar.deletePassword('service', 'accountName')
      .then(result => console.log('Password deleted:', result));
  

Finding Credentials

To find a saved credential:

  
    const keytar = require('keytar');

    keytar.findCredentials('service')
      .then(credentials => console.log('Found credentials:', credentials));
  

Sample Application Using Keytar

Below is a simple example that demonstrates the complete flow of storing, retrieving, and deleting credentials using Keytar:

  
    const keytar = require('keytar');

    async function manageCredentials() {
      try {
        await keytar.setPassword('exampleService', 'user', 'mySecurePassword');
        console.log('Password stored');

        const retrievedPassword = await keytar.getPassword('exampleService', 'user');
        console.log('Password retrieved:', retrievedPassword);

        const deleted = await keytar.deletePassword('exampleService', 'user');
        console.log('Password deleted:', deleted);
      } catch (error) {
        console.error('Error managing credentials:', error);
      }
    }

    manageCredentials();
  

This practical example illustrates how easily Keytar can be used to handle sensitive credentials securely in a Node.js application.

By mastering Keytar, you can ensure the security and integrity of sensitive data within your applications, enhancing both their reliability and user trust.

Happy coding!

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