Random Wits

Life is too short for a diary

$ random wits
├── tags

├── bookshelf

├── resources

├── quotes

├── habits

└── about

Tue 21 Aug 2012

Data Encryption Standard (DES)

Data Encryption Standard, a symmetric key algorithm, implemented in C++. All the parties use the same key for encryption and decryption. Look at the diagram below.

Here, m is message which is passed through an encrypted function E along with key K. The resultant is a unintelligent gibberish cipher. The cipher is decoded again using the same key to produce plain message...

Continue reading → Tags : projects des

Wed 04 Jul 2012

Huawei Usb Modem in Debian

The Debian claimed to be the Universal Operating System. Impressed by the stability and the community, I decided to switch to Debian. Earlier I used Fedora which handled all the hassles for me. Unlike Fedora, I had manually configure it to connect to the internet. But I soon realized it was not as difficult as it earlier seemed to be.

I’ll be using wvdial to configure the internet. It’s likely that your system will have the package pre installed. Otherwise you can manyally download it from here...

Continue reading → Tags : debian huawei usb modem code

Fri 30 Mar 2012

Fear of Walmart

After a ruckus the government agreed to roll back the proposed decision to increase FDI in retail sector. This could have paved way for the behemoth giants like Walmart to enter India. Indian Inc. was largely disappointed with the lack of much needed retail reform while the opposition parties including the local shopkeeper rejoiced over the fear of Walmart.

My lack of education in economics convinced me of my inability to form an opinion on this matter. But as a concerned citizen , I tried to understand the repercussion of such an important law debated in the parliament...

Continue reading → Tags : Walmart FDI