Crypto codes: ElGamal public key cryptosystem

Algorithms from An Introduction to Mathematical Cryptography book.
Here, Bob sends an encrypted message to Alice using ElGamal public key cryptosystem.
Download code from here

Extended Euclidean algorithm
Matlab code for modular inverse:

[u,y,d] = gcd(x,p); 
y = mod(y,p);

Man has no choice When he wants everything

Listen

ImportError: No module named setuptools

http://www.errorhelp.com/search/details/74034/importerror-no-module-named-setuptools

Technical Writing

Teach Technical Writing in Two Hours per Week
Politics and the English Language

The Human Incubator

The Human Incubator

http://opinionator.blogs.nytimes.com/2010/12/13/the-human-incubator/..

The success of "kangaroo care" for premature infants has shown that simple solutions are sometimes best.