4.1, 4.2 and 4.4, due on September 21

• I'm really looking forward to going over the DES cipher in class tomorrow. I'm having a really hard time understanding it by just reading it out of the book. I understand that it uses bits (0's and 1's), but beyond that, its a little difficult for me to process.
• At the same time I'm excited to go over DES in class. I feel like its just about there, but maybe an explanation in class can help me to clear it all up. I really enjoy mathematics in bits. It reminds me of the Computer Science I took. It was confusing, but I'm grateful to have learned about bits in that class.