AES-Encryption-and-Decryption

This is a homework of Information Security,

The aim of the homework is to find out the missing key of the ciphertext and using AES decryption to retrieve the Plaintext.

CipherText: Wj3RQTGXWvIeIu5nEt2qYuYbHRhoNtJawk07R0oZWnI=
Key:        Hj▆N)▆tgZ▆9wrc▆m
Correct Key:Hj%N)6tgZ}9wrc*m
PlainText:  National Cheng Kung University