know-js/test/encrypt-file.js

JavaScript library for sending Know transactions from the client or server

var fs = require('fs');
var crypto = require('crypto');
var sha1File = require('sha1-file')

function encryptInfo(key) {

    var cipher = crypto.createCipher('aes-256-cbc', key);
    var input = fs.createReadStream('test.txt');
    var output = fs.createWriteStream('test.txt.enc');

    input.pipe(cipher).pipe(output);

    output.on('finish', function () {
        console.log('Encrypted file written to disk!');
    });
}

function decryptInfo(key) {
    var cipher = crypto.createDecipher('aes-256-cbc', key);
    var input = fs.createReadStream('test.txt.enc');
    var output = fs.createWriteStream('test.txt.dec');

    input.pipe(cipher).pipe(output);

    output.on('finish', function () {
        console.log('Decrypted file written to disk!');
    });
}
var key = sha1File('test.txt');
// encryptInfo(key)
decryptInfo(key);