"69" Result
Sort By:
Explains transposition, substitution, and Baconian bilateral ciphers and presents more than one hundred and fifty problems.
Front Cover; Contents; Note to the Reader; Introduction; Acknowledgments; Chapter 1 - Ancient Roots; Chapter 2 - Monalphabetic Substitution Ciphers, or MASCs: Disguises for Messages; Chapter 3 - Simple Progression to an Unbreakable Cipher; Chapter 4 - Transposition Ciphers; Chap…
Kronologisk gennemgang af historien om kryptografi
"Codes are a part of everyday life, from the ubiquitous Universal Price Code (UPC) to postal zip codes. They need not be intended for secrecy. They generally use groups of letters (sometimes pronounceable code words) or numbers to represent other words or phrases. There is typic…
Ancient roots -- Monalphabetic substitution ciphers, or MASCs : disguises for messages -- Simple progression to an unbreakable cipher -- Transposition ciphers -- Shakespeare, Jefferson, and JFK -- World War I and Herbert O. Yardley -- Matrix encryption -- World War II : the enig…
"Codes are a part of everyday life, from the ubiquitous Universal Price Code (UPC) to postal zip codes. They need not be intended for secrecy. They generally use groups of letters (sometimes pronounceable code words) or numbers to represent other words or phrases. There is typic…
"Codes are a part of everyday life, from the ubiquitous Universal Price Code (UPC) to postal zip codes. They need not be intended for secrecy. They generally use groups of letters (sometimes pronounceable code words) or numbers to represent other words or phrases. There is typic…
"Codes are a part of everyday life, from the ubiquitous Universal Price Code (UPC) to postal zip codes. They need not be intended for secrecy. They generally use groups of letters (sometimes pronounceable code words) or numbers to represent other words or phrases. There is typic…
