Difference Between Substitution and Transposition Cipher.
SUBSTITUTION CIPHER | TRANSPOSITION CIPHER |
---|---|
In substitution Cipher Technique, plain text characters are replaced with other characters, numbers and symbols | In transposition Cipher Technique, plain text characters are rearranged with respect to the position |
Substitution Cipher’s forms are: Mono alphabetic substitution cipher and poly alphabetic substitution cipher | Transposition Cipher’s forms are: Key-less transposition cipher and keyed transposition cipher |
In this techniques, character identity is changed but position is same | In this techniques, the position of the character is changed but characters identity is not changed. |
EX: Caesar Cipher | EX: Reil Fence Cipher |
Follow Us