Write a report explaining the encryption algorithm

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Reference no: EM133631325

Cryptography Homework

Find good encryption solutions
Search the web for various commercial encryption algorithms.
Find one that you feel may be "snake oil".
Write a report explaining the encryption algorithm and your opinion

*in-text citations and references are required
*written in at least 2~3 paragraphs

Compete encoding and decoding messages

Julius Caesar used a simple substitution cipher to send messages to his troops. He substituted each letter by the letter that was 3 places further along in the alphabet, so that "a" was replaced with "D", "b" with "E" and so on.

Complete the table below to show what each letter is enciphered as using this system.

a b c d e f g h i j k l m n o p q r s t u v w x y z
D E F

Using the Caesar Cipher, encode the name of your school. Did your partner get the same answer?Computer scientist would call 3 the "key" for this cipher. How many different keys are possible?Encode the following messages:

Caesar cipher with a shift key of 21

Plaintext: WELCOMECiphertext:

Simple Transposition Cipher with keyword: cat Write LIONS across the top and then write the plaintext, start with column 2 since I is the first letter, next read column 1, etc. the ciphertext is the resulting rows.

Plaintext: OCEAN CITY
Ciphertext:

Caesar cipher with a shift key of 7
Plaintext: MARYLAND BLUE CRABS
Ciphertext:

Caesar cipher with a shift key of 2
Plaintext: INNER HARBOR IN BALTIMORE CITY
Ciphertext:

Decode the following messages:
Use the Caesar cipher with a shift key of __2___
Ciphertext: EQORWVGTUEKGPEG
Plaintext:
Use the Caesar cipher with a shift key of __2___
Ciphertext: OCTANCPFJCUVJGDGUVETCDECMGU
Plaintext:

Use the Caesar cipher with a shift key of __-3___
Ciphertext: QEBZFMEBOEXPYBBKYOLHBK
Plaintext:

Use Simple Transposition cipher with the keyword: lions Write the second set of data down the first column, since I is the first letter, The second column will be the first five characters, etc.
Ciphertext: HPSSR TIIAB SETTA IHNYE CREOK
Plaintext:

Reference no: EM133631325

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