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:
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