LocalCrypt

LocalCrypt is a JavaScript library for secure local storage using AES encryption.

Installation

To install the LocalCrypt library, use npm:

npm install localcrypt

Usage (ES6)

Here is an example of how to use the LocalCrypt library:

"use client"

// Importing SecureStorage classes
import SecureStorage from 'localcrypt/SecureStorage';
const secureStorage = new SecureStorage();

// Setting an item in secure storage
secureStorage.setItem('username', 'victor');

// Getting an item from secure storage
console.log(secureStorage.getItem('username')); // Outputs: victor

API Documentation

LocalCrypt

constructor(secretKey)

• Parameters:
  • secretKey (string): The secret key used for AES encryption and decryption.

encrypt(data)

• Parameters:
  • data (string): The plaintext data to encrypt.
• Returns:
  • (string): The encrypted data.

decrypt(encryptedData)

• Parameters:
  • encryptedData (string): The encrypted data to decrypt.
• Returns:
  • (string): The decrypted plaintext data.

SecureStorage

constructor(localCrypt)

• Parameters:
  • localCrypt (LocalCrypt): An instance of the LocalCrypt class.

setItem(key, value)

• Parameters:
  • key (string): The key under which the value is stored.
  • value (string): The plaintext value to store.
• Returns:
  • None

getItem(key)

• Parameters:
  • key (string): The key of the stored value.
• Returns:
  • (string): The decrypted value stored under the given key.

Running Tests

To run the tests for the LocalCrypt library, use the following command:

npm test

Make sure you have jest installed as a development dependency to run the tests.

Contributing

We welcome contributions to the LocalCrypt library. If you have any suggestions, bug reports, or improvements, please open an issue or submit a pull request on GitHub.