In our project there are several places where we could\'ve gotten away with hashing. For example, we store an encrypted reference between a license and the licensed object in t
By storing the plain text along with the ciphertext you are creating a nice repository of test strings if someone would want to find out your key. Since you apparently use said key for encrypting everything I'd say it is a risk.
Remember, the nice thing about central databases is that some day someone will get the data. If history is any lesson, at least.