You want to write a song and apply a digital signature to it

You want to write a song and apply a digital signature to it so that you can later prove it is your song. How do you apply the signature, and later on, how do you prove the song is yours?

Solution

As you want to add digital signature to your song, So that you need to first convert your song to digital format.Now,you will take hash code of that ,Hash code is unique value generated by hash function.You can use avilable hash algorithms or you can create your own.After creating hash,add private key encryption to that.Encryption is cryptology method to encode data and with the help of decryption algorithm we can decode that data.In private key,encryption,key is available to you,so that no one will able to decode that song without private key.Ultimately,you are the key holder,hence you can prove that song is yours.