Python Encryption Example

By Brendan Long on May 27, 2013

This program was written to demonstrate how to correctly encrypt and decrypt files, using PBKDF2-SHA1, AES, and HMAC-MD5.

Why I love NumPy

By Brendan Long on September 08, 2011

Doing linear algebra homework reminds me why I love NumPy so much. Instead of doing a 2-page homework assignment and then finding out at the end that something is wrong, I can check at every step. For example, to reduce a matrix A to the identity, using only elementary …

How to find palindromes in Python

By Brendan Long on August 27, 2011

In school this week, the idea of finding palindromes in Python came up, as a homework assignment in a class I took last semester. A friend asked me for some guidance in how to do this in Python, so I showed him my “simple” solution:

#!/usr/bin/env python3
from …