The Following example explains about DES(Data Encryption Standard)Algorithm and how to implement it.
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Simple columnar transposition technique is an example of transposition technique. Steps for Simple columnar transposition technique are as follow....
Most ethical and legal issues in computer system are in the area of individual’s right to privacy versus the...
Authentication mechanism helps to establish proof of identity. This process ensures that origin of an electronic document or message...
There are situation where a user sends a message, and later on refuses that he had sent that message...
Caesar cipher is substitution technique cipher In Caesar cipher we replace each alphabet with the alphabet that is actually...
The first stage is called Pre-trigger stage or the dormant stage. In this stage viruses lie dormant, and does...
Phishing has become a big problem in recent times. In 2004, the estimated losses due to phishing were to...
The principle of confidentiality specifies that only the sender and intended recipient should be able to access the...
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