Comparative Analysis of Block Key Encryption Algorithms

Humankind has grown phenomenally from Stone Age to information technology age. Information technology is deeply treasured; mainly because of the Internet. The internet has brought great changes in almost every domain of life. Besides a computer, laptop, Desktop, even a Mobile Phones, I-Pad, IPod have the facility to use the Internet. With the Internet, life has become easier to get things done at a great speed and effortlessly. Such as searching for some information, retrieving maps, images, bookings for air tickets, movie tickets, sports or concerts tickets, hotel reservations, grocery, vegetables, and fruits, paying bills online, transferring money without going to the bank, etc. and the list is endless. It is a well-known phrase “Each coin has two sides”; similarly, with the benefits of using the internet, there are many threats or flaws. The Internet has given easy access to attack our personal information, financial transactions, etc. by hackers, pedophiles, net extortion, and salami attacks and so on. There are numerous attacks, and the researchers are trying to figure out some solution for them. One of the most popular ways to ensure security is using cryptography.