crypto node
const crypto = require('crypto');
const secret = 'abcdefg';
const hash = crypto.createHmac('sha256', secret)
.update('I love cupcakes')
.digest('hex');
console.log(hash);
// Prints:
// c0fa1bc00531bd78ef38c628449c5102aeabd49b5dc3a2a516ea6ea959d6658ehashing in node js
require("crypto")
.createHash("sha256")
.update("Man oh man do I love node!")
.digest("hex");How to use hash in javascript
function HashTable(obj)
{
this.length = 0;
this.items = {};
for (var p in obj) {
if (obj.hasOwnProperty(p)) {
this.items[p] = obj[p];
this.length++;
}
}
this.setItem = function(key, value)
{
var previous = undefined;
if (this.hasItem(key)) {
previous = this.items[key];
return previous;
}
else {
this.length++;
}
this.items[key] = value;
return previous;
}
this.getItem = function(key) {
return this.hasItem(key) ? this.items[key] : undefined;
}
this.hasItem = function(key)
{
return this.items.hasOwnProperty(key);
}
this.removeItem = function(key)
{
if (this.hasItem(key)) {
previous = this.items[key];
this.length--;
delete this.items[key];
return previous;
}
else {
return undefined;
}
}
this.keys = function()
{
var keys = [];
for (var k in this.items) {
if (this.hasItem(k)) {
keys.push(k);
}
}
return keys;
}
this.values = function()
{
var values = [];
for (var k in this.items) {
if (this.hasItem(k)) {
values.push(this.items[k]);
}
}
return values;
}
this.each = function(fn) {
for (var k in this.items) {
if (this.hasItem(k)) {
fn(k, this.items[k]);
}
}
}
this.clear = function()
{
this.items = {}
this.length = 0;
}
}Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
