lizenshakya

const nacl = require('tweetnacl');
nacl.util = require('tweetnacl-util');

app.get('/decrypt',(req, res, next) => {
    const publicKeyString = 'pwrtyyHkzJ40KVQvnvTxhMR0/Xz7Y3Rh/CWbVphb9E8=';
    const secretKeyString = '2JvMGAPQM6o78brjJGI8Ak2DUK0FOJIoGcZuy7/4mO8=';
    const nonceString = 'YVK397arydNB2d+bhWXItAm8HYITPtqY';
    const encryptedData = "Y8lc/J839IEKOB23thIwfQsjq0lMu1yMQl8VeuSfZQ==";
    const publicKeyUint8 = nacl.util.decodeBase64(publicKeyString);

lizenshakya

const nacl = require('tweetnacl');
nacl.util = require('tweetnacl-util');

app.get('/encrypt',(req, res, next) => {
    const exampleForEncryptData = "Hello There!!!!";
    const keyPairObj = nacl.box.keyPair();
    //publicKey: Uint8Array(32) [167, 10, 237, 203, 33, 228, 204, 158, 52, 41, 84, 47, 158, 244, 241, 132, 196, 116, 253, 124, 251, 99, 116, 97, 252, 37, 155, 86, 152, 91, 244, 79]
    //secretKey: Uint8Array(32) [216, 155, 204, 24, 3, 208, 51, 170, 59, 241, 186, 227, 36, 98, 60, 2, 77, 131, 80, 173, 5, 56, 146, 40, 25, 198, 110, 203, 191, 248, 152, 239]