To Encrypt or decrypt, we will need a key. This key will be stored in a table which can be accessed only by the authorized personnel. In the below examples, the key has been hardcoded. dbms_crypto example to encrypt information Declare l_key varchar2(2000) := ‘1234567890123456’; l_mod number := dbms_crypto.ENCRYPT_AES128 + dbms_crypto.CHAIN_CBC + dbms_crypto.PAD_PKCS5; l_enc raw…