cisa video for sender of the message wants to ensure that the message should be digitally signed. To ensure this, he performs following steps: Step 1: create
Sender of the message wants to ensure that the message should be digitally signed. To ensure this, he performs following steps: Step 1: create the hash of the message. Step 2: encrypts the hash of the message by using an encryption key (i.e. creating the digital signature) Step 3: attach the encrypted hash (as arrived in step 2) along with the message. This encrypted hash will serve as a digital signature. On receipt of the message, the receiver will perform following steps: Step 4: decrypt the digital signature (encrypted hash) using a key and check the hash. If decryption is successful then it confirms the digital signature. _____________ keys is used by the sender of the message to create a digital signature in step 2 mentioned above and ___________ keys is used by the receiver of the message to confirm and validate a digital signature in step 4 mentioned above.