V. THE TRANSPOSITION TECHNIQUE
The transposition technique does not replace the one alphabet with another like the substitution technique but perform the permutation on the plain text to convert it into cipher text. The various transposition techniques are used to perform the operation given below[6],[10],[14]: A. Rail Fence Technique B. Simple Columnar Transposition Technique C. Vernam Cipher (One-Time Pad) D. Book Cipher/Running Key Cipher