TANVEER AHMED, MOHAMMAD ABUL KASHEM, AND SAIFUL AZAD
Cipher block chaining
Electronic code block
A stream cipher is one that encrypts/decrypts a data stream character by character, i.e., one character at a time. All the ciphers discussed in Chapter 3 are stream ciphers. On the other hand, a block cipher encrypts/decrypts a block of n characters and produces an output of similar length. ...