1 / 4

Clicker Questions

Clicker Questions. Jan 31. DES is a A: block cipher B: stream cipher C: one-time pad. A Feistel network allows you to A: Encrypt in parallel B: Avoid weak keys C: Reuse same implementation for encryption & decryption. A brute-force search against double-DES takes how many steps?

tad
Download Presentation

Clicker Questions

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Clicker Questions Jan 31

  2. DES is a • A: block cipher • B: stream cipher • C: one-time pad

  3. A Feistel network allows you to • A: Encrypt in parallel • B: Avoid weak keys • C: Reuse same implementation for encryption & decryption

  4. A brute-force search against double-DES takes how many steps? • A: 256 • B: 257 • C: 264 • D: 2112 • E: 2128

More Related