In block ciphers, the original key is expanded so that a different key is used for each round.
举一反三
- Each key on the board is ________ a different type of function.
- Each key on the board is ________ a different type of function. A. with B. as C. for D. to
- The mark of a common flat key is: KEY 12x80 GB 1096-2003, the type of this key is ( ) A: Round head common flat key B: Square head common key C: Half round head common flat key D: Other flat keys
- Flat key mark: Key B16x70 GB1096-79, B represents ( ) flat key A: Double round head B: Single round head C: Square head D: Class B accuracy
- Master key, secondary key and primary key are all can be used to encrypt file or communication.