FOR CRYPTOOL RELATED QUESTIONS, PLS USE CRYPTOOL SCREEN SHOTS IN YOUR ANSWERS.

DO NOT JUST WRITE THE RESULT.

Q.5 Go to web site www.cryptool.de and download CrypTool 1.4.31-Beta Version.

go to Indv Procuders

select Hash

select Generating HMAC

select first HMAC variant

Enter key CS4525

And calculate all hash outputs? What are they? Are any of the same or each one of the unique?

Change just one letter in the message and repeat above steps?

What are the outputs of the hash algorithms? Are they the same with previous step results?

Is there any way that by changing the letter in the message we may get the same hash output?