var sodium = require('./') var key = Buffer.alloc(sodium.crypto_secretbox_KEYBYTES) var nonce = Buffer.alloc(sodium.crypto_secretbox_NONCEBYTES) sodium.randombytes_buf(key) sodium.randombytes_buf(nonce) var message = Buffer.from('Hello, World!') var cipher = Buffer.alloc(message.length + sodium.crypto_secretbox_MACBYTES) sodium.crypto_secretbox_easy(cipher, message, nonce, key) console.log('Encrypted:', cipher) var plainText = Buffer.alloc(cipher.length - sodium.crypto_secretbox_MACBYTES) sodium.crypto_secretbox_open_easy(plainText, cipher, nonce, key) console.log('Plaintext:', plainText.toString()) if (typeof window !== 'undefined') window.close()