抽象的

A Literature Review: Cryptology and Cryptosystem

Akanksha Srivastava

The world is changed from sending data through written letters on paper via post office to instant communication via chat, email, video calls and social networking sites like Facebook, twitter and Google+ etc. Most of the data communication is via electronic system, now-a day. Communication system needs to be fully secure to avoid crook and tricky activities. Nowadays, secure programming is important and still becomes more essential. It is important to keep our data secure from adversaries. Cryptology is the method of communicate which makes data transmission secure and secret. Cryptology is required for data security or confidentiality and data integrity. This paper also represents different types of cryptanalyst attacks on cipher.