Describe the following Cipher Methods & Produce Cipher-text for the following plain-text:
"Security Methods Course" (the text to be used is given in reverse video)
i. Substitution Cipher (using a three-character substation to the right)
ii. A Polyalphabetic substitution, using the following block of text:
Pain text = ABCDEFGHIJKLMNOPQRSTUVWXYZ
Substitution Cipher 1 = DEFGHIJKLMNOPQRSTUVWXYZABC
Substitution Cipher 2 = GHIJKLMNOPQRSTUVWXYZABSDEF
Substitution Cipher 3 = JKLMNOPQRSTUVWXYZABCDEFGHI
Substitution Cipher 4 = MNOPQRSTUVWXYZABCDEFGHIJKL
iii. A simply polyalphabetic code in the Vigenère Cipher
iv. Transportation Cipher (Using 8-character blocks), using the following transposition:
Key pattern: 1->4, 2->8, 3->1, 4->5, 5->7, 6->2, 7->6, 8>3