For example, they're used to gather information about the pages you visit and how many clicks you need to accomplish a task.

In this paper, the original 5×5 matrix of PlayFair cipher has been extended to 10 × 10 PlayFair table, in order to maximize all possible characters that might be accepted using an ordinary QWERTY ...

During past few decades, communication over internet increased to transfer digital data across worldwide. The development of communication media over untrusted network bring lot of challenges for the ...