cmgt 431 cryptography

Complete the Written Lab exercise below from Ch. 6, CISSP (ISC)2 Certified Information Systems Security Professional Official Study Guide:

• Encrypt the message "I will pass the CISSP exam and become certified next month" using columnar transposition with the keyword SECURE
• Decrypt the message "F R Q J U D W X O D W L R Q V B R X J R W L W" using the Caesar ROT3 substitution cipher.