... in

**cryptography**, such as Lenstra elliptic curve factorization. http://en.**wikipedia**.org/wiki/Elliptic_curve_**cryptography**Elliptical curve**cryptography**(ECC) is a public key encryption technique...2 Answers · Science & Mathematics · 16/02/2012

en.

**wikipedia**.org/wiki/Jefferson_disk1 Answers · Science & Mathematics · 05/08/2012

...and story spoilers), but not used as a method of encryption. http://en.

**wikipedia**.org/wiki/Caesar_cipher4 Answers · Science & Mathematics · 04/11/2009

Here are a few references...

2 Answers · Science & Mathematics · 22/12/2011

... really quite difficult to break manually. As the

**Wikipedia**page says, Dorothy Sayers ... book is the indispensable introduction to**cryptography**for any even semi-serious amateur.2 Answers · Science & Mathematics · 06/02/2007