Understanding the logic behind the login and signup page
When a user creates an account on a website or application, they are typically asked to provide a username and password. The username is a unique identifier for the user, while the password is a secret that only the user should know.
The website or application then stores the username and password in a database. However, the password is not stored in plain text. Instead, it’s converted into a hash. A hash is a one-way function, meaning that it is easy to calculate the hash of a password, but it is very difficult to reverse the process and calculate the password from the hash.
This is done for security reasons. If a hacker were to gain access to the database, they would not be able to read the passwords in plain text. They would only be able to read the hashes. Even if the hacker knew the hashing algorithm used, it would still be very difficult for them to crack the password.
When a user logs in, they are asked...