Encryption algorithm for login and registration

Generally, whether it is CMS, CRM, ERP or B2B, all login and registration are encrypted. The password is encrypted for registration, and the encrypted password is compared for login. Security is the most important at any time.

Next, I'll post my commonly used encryption. Encryption can be divided into reversible and irreversible. At present, the one with high security factor is irreversible. Of course, the plaintext can be cracked through technology, but there are many ways to make the difficulty coefficient of cracking reach a higher value. In this way, some hackers spend a long time to crack, So as to ensure that the user's account is safe to a certain extent.

Framework: Spring + spring MVC + mybatis plus or mybatis

JDK version: above JDK6 (the application condition of this example is jdk8)

MySQL version: 5.7 (5.5 should also be possible)

Maven project: Maven 3 up

Java tool class code:

POM files to import:

Controller code:

Registration code:

Login code:

Note that the above background controller code interacts with Ajax