How to handle multiple failed logins

To prevent multiple logins that either failed or are too many in a short time, I found sample code to handle the situation :

Demo 1

Demo 2

Scripts to create hashed passwords

Hash password with PHP md5pass() function

Hash password with PHP password_hash() function

PHP crypt() and password_hash() functions

Create a password with Latin words

Create a password with Latin words

Send & receive encrypted (login-)data over (insecure) connections

Here are three solutions to accomplish that :

Introduction

Encode with base64

Encrypt and Decrypt with CryptoJS AES and PHP

Encrypt and Decrypt with RSA/AES and PHP

Feb 17 2021 12:35:23