Encryption/Decryption Exercises SMT415 57237

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SMT415 - Week 5 Homework Assignment

Encryption/Decryption Exercises

Student Name:

1. Encrypt the following message using the keyword CAUTION and the transposition method:

MARCH FORWARD INTO THE NIGHT TUESDAY NEXT

Answer:

2. Using the shared secret: PRIVACY, encrypt the following message with the transposition method:

ANYONE CAN HIDE MESSAGES  

Answer:

3. Decrypt the following message using the keyword CAUTION and the transposition method: 

RAU CRM TYF GSN OIU PHH YPC

Answer:

4. Decrypt the following message using the keyword CAUTION with the transposition method: 

OYES NTRE ECMG UNMS BAYE NUDA OOAS

Answer:

5.  Encrypt the following using the substitution method with a rotate value of 13: 

ALL GOOD MEN SHOULD COME TO THE AID OF THEIR COUNTRY

Answer:

6. Decrypt the following using the substitution method with a rotate value of 13:

PELCGBTENCUL VF SHA

 

Answer:

    • 11 years ago