Unit 3-Symmetric Key Crypto_Part2

Unit 3-Symmetric Key Crypto_Part2 - based on transposition...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Unit 3 - 3 Symmetric Key Crypto Stream cipher like a one-time pad Key is relatively short Key is stretched into a long keystream Keystream is then used like a one-time pad Employ “confusion” only Block cipher
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: based on transposition and codebook concept Block cipher key determines a codebook Each key yields a different codebook Employ both confusion and diffusion Unit 3 - 4 Stream Ciphers...
View Full Document

Page1 / 2

Unit 3-Symmetric Key Crypto_Part2 - based on transposition...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online