Task 5 Lamport signature.

Create a program that will sign the message m using Lamport signature.

You can use any hash function (you can use a library for a hash function).

m = "I am Aragorn, son of Arathorn. This is Gimli, son of Gloin,

and Legolas of the Woodland Realm. We are friends of Rohan, and of

Theoden, your King."