对SQL Server数据库记录或插入/更新操作进行数字签名

Is there a way to somehow digitally sign the current state of a database record or a particular field with a particular user's certificate or AD credential, etc? I need to implement some kind of record level approval where the correctness and validity of a particular field or fields or a row is signed by a username/password combination or with some certificate. Data should be always visible in the record, all I need is to be able to tell: who and when approved the data. I do not need to prevent a change in state (lock down), only to verify that the current state was signed.Is there a way to somehow digitally sign the cu