Unit 3: ABCs of Crytography

An encryption method that uses a series of interwoven Caesar ciphers based on the letters of a keyword is called

True or False? You can strengthen the encryption of a Caesar cipher by shifting the letters twice (using two keys).

Encrypted information is only viewable by authorized users who have the correct key to decrypt. Which CIA triad?

What is the term used in cryptography when the same key is used to encrypt and decrypt the data?

Using the Caesar cipher, “HELLO” is encrypted to “OLSSV” by applying a shift of 7. The message “HELLO” is considered the

Which statement is not true about the Vigenère cipher?

Using the Caesar cipher, “HELLO” is encrypted to “OLSSV” by applying a shift of 7. The number 7 is considered the 

There are a number of different cryptography methods. Which of the following are ways to encrypt your own private data?

Marsha found her sister’s diary that listed all of her passwords. She tried each password until she was able to get in.

What is the term used in cryptography for the message after encryption?

What is the ciphertext that results from encrypting the word LET using the Vigenere cipher along with the keyword, CAB?

Which set of letters spells a valid word when decrypted using the Caesar cipher with a key of 2?

Which of the following shows the word “DOG” encrypted with the Caesar cipher with a key of 5?

Roland knew that the code to his sister’s toy safe was only two digits long. He was able to crack the safe open by: