Block encryption
Also called: block cipher
Course: AP® Cybersecurity Shows up in: Unit 5: Securing Applications and Data
Encryption that handles information in fixed-size chunks called blocks, producing an output block for each input block.
Appears in the course and exam description (CED): 5.3.A.5
Why it matters in Unit 5
AES is a block cipher with 128-bit blocks.
Example
A 40-byte message encrypted as three 16-byte blocks.
Learn it properly, with a checkpoint 5.3 Protecting Stored Data with Cryptography