Archive for March 26th, 2003

In the beginning were transposition and substitution. Transposition ciphers, which date back to at least the fifth century B.C., are giant anagrams. You scramble all the letters according to an agreed-upon pattern and put them back together the same way. A grade-school example is the rail-fence. Extract the odd-numbered characters from a message, write them […]

Aaron Haspel | Posted March 26, 2003 @ 1:23 PM | Code