how how Alice and Bob can set up a shared key securely using

how how Alice and Bob can set up a shared key securely using Elgamal encryption scheme.

Solution

To set up a shared key securely using Elgamal Encryption scheme by Alice and Bob is the way of sending the data from transmitter that the information information in the form of message to thr recieving side. This information has to be kept secured therefore there is no way of third person to read the m,essage the chances are less possible to access to the content which is present in the message. In this Alice transmitting information consists of a public key and algorithm, Generally the public key is a simple number and the algorithm is where the method by which Bob uses to encrypt the messages using Alice public key. Alice does not share his private key with others. The private key that alice is using is the only one to decrypt the message that have been encrypted using public key. For Elgamal encryption key the alice uses the public key needs a very large prime number for the difficult logarithimic problem.