const dpapi = require('wincrypt'); const entropyBuffer = Buffer.from('cu24180ncjeiu0ci1nwui', 'utf-8'); const run = async () => { const stringToEncrypt = "Test123456!"; const encrypted = await encryptString(stringToEncrypt) console.log(encrypted); const decrypted = await decryptString(encrypted); console.log(decrypted); } async function encryptString(value) { const encryptedString = await dpapi.protect(Buffer.from(value, 'utf-8'), entropyBuffer, 'CurrentUser'); const encodedBase64 = Buffer.from(encryptedString, 'utf-8').toString('base64'); return encodedBase64; } async function decryptString(value) { const decrypted = await dpapi.unprotect(Buffer.from(value, 'base64'), entropyBuffer, 'CurrentUser'); return decrypted.toString(); } run();