cryptia/lib/test.js

Cryptia is a simple JavaScript library for encrypting and decrypting text using a basic substitution cipher. It provides an easy-to-use interface for securing text data in client-side applications..

/**
 * Import Cryptia and required dependencies.
 */
import Cryptia from '../cryptia.js'
import fs from 'fs'

// Initialize Cryptia with custom settings.
const cryptia = Cryptia({
  obfuscationLevel: 10,
  logging: true,
  preserveWhitespace: true
})

/**
 * Encrypt and decrypt text with a secure key.
 */
const plainText = 'This is a secret message.🤣😂'
const encryptionKey = 'MySecureKey123'

const encryptedResult = cryptia.encrypt(plainText, encryptionKey, result => {
  console.log('Encryption callback:', result)
})
console.log('Encrypted Text:', encryptedResult.data)

const decryptedResult = cryptia.decrypt(
  encryptedResult.data,
  encryptionKey,
  result => {
    console.log('Decryption callback:', result)
  }
)
console.log('Decrypted Text:', decryptedResult.data)

if (plainText === decryptedResult.data) {
  console.log('Decryption successful!')
} else {
  console.log('Decryption failed!')
}

/**
 * Encrypt and decrypt files.
 */
const inputFilePath = 'asset/example.txt'

fs.writeFileSync(
  inputFilePath,
  'This is the content of the file to be encrypted.',
  'utf-8'
)

const encryptedFileResult = cryptia.encryptFile(
  inputFilePath,
  encryptionKey,
  result => {
    console.log('File Encryption callback:', result)
  },
  'customEncryptedFile.txt'
)

console.log('Encrypted File Path:', encryptedFileResult.encryptedFilePath)

const decryptedFileResult = cryptia.decryptFile(
  encryptedFileResult.encryptedFilePath,
  encryptionKey,
  result => {
    console.log('File Decryption callback:', result)
  },
  'customDecryptedFile.txt'
)

console.log('Decrypted File Path:', decryptedFileResult.decryptedFilePath)

const decryptedFileContent = fs.readFileSync(
  decryptedFileResult.decryptedFilePath,
  'utf-8'
)
if (
  decryptedFileContent === 'This is the content of the file to be encrypted.'
) {
  console.log('File decryption successful!')
} else {
  console.log('File decryption failed!')
}

/**
 * Default behavior: If no custom file names are provided, default names are used.
 */
cryptia.encryptFile(inputFilePath, encryptionKey)
cryptia.decryptFile('asset/encryptedFile.cpt', encryptionKey)