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Encipher A Symmetric Key
335 wordsCryptography Cryptography is way you can keep information secure. A person who does not know the method used to change the information to keep it secure cannot copy the method used or reverse the change. The basic components of cryptographic systems are used to encipher (scramble) information so that it is difficult to determine the meaning without the appropriate key or key (s) to decipher (unscramble) the information. The components include cryptographic algorithms (mathematical functions) for...
Company's Authenticated Public Key
3,908 words1 Introduction The recent acceleration in the uptake of electronic commerce (e-commerce) over the Internet has focused the need for methods to be developed by which to securely transfer data over what amounts to a worldwide public network. The most commonly cited example of this requirement is the ability of customers to make electronic purchases from company Web sites using debit cards such as VISA cards. Public confidence in e-commerce has to be high for it to succeed and to continue to grow, ...
Using Someone's Public Key To Encrypt
1,901 wordsThe Necessity Of Computer Security When the first electronic computers emerged from university and military laboratories in the late 1940's and early 1950's, visionaries proclaimed them the harbingers of a second industrial revolution that would transform business, government and industry. But few laymen, even if they were aware of the machines, could see the connection. Experts too, were sceptical. Not only were computers huge, expensive, one-of-a-kind devices designed for performing abstruse s...
Public Key Algorithm In 1977
2,721 wordsINTRODUCTION One important, yet practical, application of complexity theory is cryptography. It has become one of the main tools for privacy, trust, electronic payments, and other forms of security. It is no longer just a military tool and the advantages it provides should be used to the fullest extent. This paper will discuss basic terminology and main methods of cryptography. BASIC TERMINOLOGY Cryptography is the science of scrambling text so that no one can read it except for the intended rec...
Same Secret Key To Decrypt The Message
910 wordsTraditional cryptography is based on the sender and receiver of a message knowing and using the same secret key: the sender uses the secret key to encrypt the message, and the receiver uses the same secret key to decrypt the message. This method is known as secret-key cryptography. The main problem is getting the sender and receiver to agree on the secret key without anyone else finding out. If they are in separate physical locations, they must trust a courier, or a phone system, or some other t...
Public Key Encryption Algorithm
2,691 wordsSystem Security System security is the amount of protection against unforeseen events, which might cause the system to fail. The amount of security in a given system depends upon the value of the information contained within the system. As the information becomes more valuable, the amount of money spent on protecting the information also increases. An example of this would be someone keeping their valuables in a home fire safe whereas a bank might keep their valuables in a time-controlled vault....
Encrypt Messages The Published Private Keys
581 wordsExplain the difference between: a. Historical Logging: will show the history of who has logged onto a particular system or site. Statistical Logging: will give you certain information that is more detail oriented containing information about who or how many hits a system or file has received. b. File Security: There are many things that can be done to ensure integrity of files. First, there should only be a select few employees that can change files, read and write to them. Other employees shoul...
1 Private Secret Key Algorithm 2 Public
3,835 wordsAn overview into the world of network security Prashant K Singh and Rohit Kam boj Department of computer engineering, Dr. Babasaheb Ambedkar Technological university Loner e-402 103, Ra igad, Maharashtra. Abstract In this paper we have tried to demonstrate the sensitivity of transferring data in a network. In doing so we have emphasized on the type of problems one could face while transferring the data in a network. Further we have tried to stress on the different types of security measures avai...
Security And Use Of The Digital Cash
3,570 wordsMethods of Payment used on the Internet Credit Cards Internet credit card transaction processing can be done in three ways: Manual offline processing (secure credit card capture) - You can collect the orders via snail mail, fax, phone, or credit card capture in your shopping cart (options provided by Etherlinx carts). Using your cart's built-in encryption, you can securely download your customers' credit card information and process the payment offline, using the virtual merchant terminal you al...
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