ABSTRACT:
It’s personal. It’s private. And it’s no one’s business but yours. You may be planning a political campaign, discussing your taxes, or having a secret romance. Or you may be communicating with a political dissident in a repressive country. Whatever it is, you don’t want your private electronic mail (email) or confidential documents read by anyone else. There’s nothing wrong with asserting your privacy. Privacy is as apple-pie as the Constitution.
But with the coming of the information age, starting with the invention of the telephone, all that has changed. Now most of our conversations are conducted electronically. This allows our most intimate conversations to be exposed without our knowledge. Cellular phone calls may be monitored by anyone with a radio. Email is rapidly replacing postal mail, becoming the norm for everyone, not the novelty it was in the past. And email can be routinely and automatically scanned for interesting keywords, on a large scale, without detection.
Imagine yourself in a situation where you are sitting in your office, faced with the rather mundane task of sending a sales report to a coworker in such a way that no one else can read it. You just want to be sure that your colleague was the actual and only recipient of the email and you want him or her to know that you were unmistakably the sender. It’s not national security at stake, but if your company’s competitor got a hold of it, it could cost you. How can you accomplish this? You can use cryptography. You may find it lacks some of the drama of code phrases whispered in dark alleys, but the result is the same: information revealed only to those for whom it was intended.
…………….So on ..........(download any of the following links to get complete paper presentation in word document)
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