MySQL in a Nutshell, 2nd Edition

Name

AES_ENCRYPT()

Synopsis

AES_ENCRYPT(string, password)

This function encrypts a given string using the AES algorithm with a 128-bit key length. It locks the encrypted string with the password given as the second argument. The function returns NULL if one of the given parameters is NULL. It’s available as of version 4.0.2 of MySQL. The results of this function can be reversed with AES_DECRYPT(). Here is an example:

UPDATE teachers
SET personal = AES_ENCRYPT('text', 'my_password')
WHERE teacher_id = '730522';