'Columnar transposition' diaporamas de présentation

Classic Crypto

Classic Crypto. Overview. We briefly consider the following classic (pen and paper) ciphers Transposition ciphers Substitution ciphers One-time pad Codebook These were all chosen for a reason We see same principles in modern ciphers. Transposition Ciphers.

577 views • 57 slides

Cryptanalysis

Cryptanalysis. codes & ciphers. Transposition. Spacing alter or eliminate spacing the simplest transposition Mirror writing reverse words or write the entire message backward Switching letters Pig Latin is an example. Transposition. Rail fence alternate writing on 2 or 3 lines

352 views • 15 slides

Cryptanalysis

Cryptanalysis. codes & ciphers. Transposition. Spacing alter or eliminate spacing the simplest transposition Mirror writing reverse words or write the entire message backward Switching letters Pig Latin is an example. Transposition. Rail fence alternate writing on 2 or 3 lines

158 views • 15 slides

172 views • 12 slides

Mixed Alphabets with Words And Mixed Alphabets with Columnar Transposition

Mixed Alphabets with Words And Mixed Alphabets with Columnar Transposition. Team Members : Mike, Peter, Lakhbir, Joe Fijalkowski. Mixed Alphabets with Words. Keyword is given A Keyword provide a way of mixing of the alphabet that is easy for two correspondents to remember.

238 views • 8 slides