Transposition ciphers maintain all of the original bits of data in a byte but reverse their order. Substitution ciphers substitute specified data sequences with alternative data sequences. For example, one type of replacement would be to convert all bits with a value of 1 to bits with a value...
Transposition technique The transposition technique includes performing some sort of permutation on the plain text letters. It should be noted that the length of plain text and cipher text remains the same in this technique. Eg.'NAME' can be encrypted as 'MNAE' or 'EANM' etc. ...
Cipher, any method of transforming a message to conceal its meaning. The term is also used synonymously with ciphertext or cryptogram in reference to the encrypted form of the message. All ciphers involve either transposition or substitution or a combina