Links for the All Girls/All Math Cryptography Course

All Girls/All Math is a summer math camp for high school girls, which runs each July at the University of Nebraska-Lincoln. The following links are useful for the camp (but haven’t been updated since 2016). 

Substitution Ciphers

Frequency Analysis Chart: https://www.math.cornell.edu/~mec/2003-2004/cryptography/subs/frequencies.html

Cryptoclub website: http://www.cryptoclub.org/

Crack a substitution cipher: http://www.cryptoclub.org/tools/crack_substitutioncipher.php

Cipher Text Examples:

  • pwe lw gwc uism i abibcm wn iv mtmxpivb? omb i jqo xqmkm wn abwvm. kcb ieig mdmzgbpqvo bpib lwma vwb twws tqsm iv mtmxpivb. 
  • vzo xkv sh psqjn bxvzobxvqgu gsjuquvu qj hqjpqjn vzxv utogqxr gxuo wzqgz gsjvxqju xrr vzo nokbu sh nojokxrqve. – pxlqp zqryokv
  • hbtc zkg kbym tmymv kbn wkm gppbejgt wg njepgymv hgvm bogxw hbwkmhbwjpe pgtejnmv jw b nvc btn bvjn epjmtpm. jt vmbsjwc, kgzmymv, jw je b epjmtpm zkjpk nmhbtne wkm qvmbwmew jhbqjtbwjgt. – egljb igybsmyeibjb
  • aj hatszx m cfon ca pezxoj. m omnx f kaai zrxfnxs, fqi m frrsxhmfcx fq mqcxoomkxqc ftimxqhx.— iasacle rfsnxs
  • More Examples created by AGAM students! 

Create your own encoded message: http://www.cryptoclub.org/tools/substitution_cipher.php

Extra Examples: http://cryptogramcorner.org/

Need an idea for your message? Look here:  http://www.goodreads.com/quotes

 

Fast Exponentiation Calculator:

https://www.mtholyoke.edu/courses/quenell/s2003/ma139/js/powermod.html

 

Converting between bases calculator: 

http://www.kaagaard.dk/service/convert.htm

 

http://quipqiup.com/index.php