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Free research papers and essays on topics related to: encryption

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  • A Look At Public Key Encryption - 1,210 words
    A Look at Public Key Encryption Encryption is the process of disguising information by transforming plain text into gibberish, or ciphertext, which cannot be understood by an unauthorized person. Decryption is the process of transforming ciphertext back into plaintext that can be read by anyone. Example of encryption can be found in history, for example in the era of the Cold War, the Solviet Union and the United States would send electronic messages to one military point to another, encrypted. If the enemy intercepted the message, they would have to crack this message to get the information. Typically when governments used encryption they used a very complex method of encrypting messages. E ...
    Related: data encryption, encryption, national security, major problem, essence
  • Encryption - 713 words
    Encryption The electronic age has brought forth many technological advances. With these advances came the need for security and tighter control on how we send information electronically over the Internet or through a network. Date encryption is, in its simplest terms, the translation of data into a secret code. In order to read an encrypted file, the receiver of the file must obtain a secret key that will enable him to decrypt the file. A deeper look into cryptography, cryptanalysis, and the Data Encryption Standard (DES) will provide a better understanding of date encryption. Cryptographic Methods There are two standard methods of cryptography, asymmetric encryption and symmetric encryption ...
    Related: data encryption, encryption, u.s. government, national institute, communications
  • A Quantum Computer A Future Technology - 1,415 words
    A Quantum Computer... a future technology Mike Damewood By the strange laws of quantum mechanics, Folger, a senior editor at Discover, notes, an electron, proton, or other subatomic particle is "in more than one place at a time," because individual particles behave like waves, these different places are different states that an atom can exist in simultaneously. Ten years ago, Folger writes, David Deutsch, a physicist at Oxford University, argued that it may be possible to build an extremely powerful computer based on this peculiar reality. In 1994, Peter Shor, a mathematician at AT&T Bell Laboratories in New Jersey, proved that, in theory at least, a full-blown quantum computer could factor ...
    Related: quantum, quantum computer, quantum mechanics, technology, simple steps
  • Are You Protected - 522 words
    Are you Protected? In this day and age, computers have become a common necessity of everyday life. Anyone who has not joined in this new era of technology will soon be left in the dark ages. Along with the computer advancement has come the Internet, which is an intricate connection of millions of computers around the world. The Internet has become today's form of communication, totally reinventing the mail system, telephones and even business meetings. With these great new advantages come many serious new problems that concern anyone that communicates through it. Those that are connected to it are in essence a community of their own, an online community. When people communicate with each oth ...
    Related: real world, credit card, physical barriers, intercept, link
  • Banning On Cloning Is Unjust - 615 words
    Banning On Cloning Is Unjust! On February 24, 1997, the world was shocked and fascinated by the announcement of Ian Wilmut and his colleagues. A press release stated that they had successfully cloned a sheep from a single cell of an adult sheep. Since then, cloning has become one of the most controversial and widely discussed topics. The issue that gets the greatest focus is human cloning, and there has been an onslaught of protests and people lobbying for a ban on it. However, there is a real danger that prohibitions on cloning will open the door to inappropriate restrictions on accepted medical and genetic practices. Therefore, the banning of cloning is unjust. The most popular objection t ...
    Related: banning, cloning, human cloning, unjust, physical characteristics
  • Business Strive For High Production At Low Cost This Would Result In The Highest Profit For A Company To Many Businesses, Thi - 1,568 words
    ... were more obvious than the others. If you compare these questions to the ones that were more difficult (seven and thirteen) the percent correct differ. Questions seven and thirteen deal with very specific measurements that are all closely related. These questions are not 'common knowledge' questions. I am assuming that people were taking educated guesses when encountering these questions. This could be the reason for the large percent of error in these parts of the survey. Now that we have discovered the good habits to form when working at computer workstations and took a look at what a selected college student population knew about VDT's, we will now take a look at ergonomic engineerin ...
    Related: profit, strive, computer networks, internet web, server
  • Cable Modems: Cable Tv Meets The Internet - 3,910 words
    ... downstream traffic travels through the cable modem's Media Access Control mechanism. The MAC mechanism's functions are fairly complex. The MAC mechanism's main purpose is to implement MAC protocols under the direction of the CMTS. MAC protocols are used to time-share the cable media among the various cable modems in a cable data network. The MAC processes can be implemented in hardware, or a combination of software and hardware. Both the CMTS and the MAC mechanism implement MAC protocols to perform ranging procedures to compensate for cable media delays and line losses. The CMTS also interfaces with the MAC mechanism in each cable modem to assign upstream frequencies and upstream time s ...
    Related: cable, cable modems, internet access, internet connection, internet protocol, internet service, internet usage
  • Child Pornography On Internet - 1,276 words
    Child Pornography On Internet In this new age of Information, the Internet has made all types of information readily available. Some of this information can be very useful, some can be malicious. Child pornography, also known as Paedophilia is one of these problems. Any one person can find child pornography on the internet with just a few clicks of the mouse using any search engine. Despite webmaster's and law enforcement officials' efforts to control child pornography and shut down illegal sites, new sites are posted using several ways to mask their identity. The Internet provides a new world for curious children. It offers entertainment, opportunities for education, information and communi ...
    Related: child pornography, child sexual abuse, pornography, court case, search engine
  • Computer Crime - 1,379 words
    Computer Crime Computer Crime Billions of dollars in losses have already been discovered. Billions more have gone undetected. Trillions will be stolen, most without detection, by the emerging master criminal of the twenty-first century--the computer crime offender. Worst of all, anyone who is computer literate can become a computer criminal. He or she is everyman, everywoman, or even everychild. The crime itself will often be virtual in nature--sometimes recorded, more often not--occurring only on the Internet, with the only record being electronic impulses. Before discussing Internet crimes, we can expect to see in the years ahead, let's look at the good news: The most-dreaded types of offe ...
    Related: computer crime, computer software, computer systems, computer virus, crime
  • Computer Crime - 1,406 words
    ... s seen in the $50-million-plus losses in the MCI case, a far greater threat to businesses than hackers are disgruntled and financially struggling employees. As internal theft from retail stores has always been many times greater in volume than theft from shoplifters, robbers, and burglars, theft by employees armed with inside information and computer access is and will continue to be a much larger problem than intrusion by hackers, crackers, and terrorists combined. By the turn of the century, 80% of Americans will process information as a major part of their employment, according to a United Way study. In addition, the future portends new and brighter for-profit invasion of business com ...
    Related: computer crime, computer security, crime, personal values, first century
  • Computer Crimes On The Internet - 1,436 words
    Computer Crimes on the Internet Thesis: Emerging with the Internet, a group of elite cyber-surfers have turned into todays computer hackers. Software piracy is a major crime on the Net. $7.5 billion of American Software is stolen each year. Industrial Espionage is gaining access to remote sites illegally. Stealing of information from corporate sites is extremely illegal. Password Sniffers are used to get someones password. IP spoofers changes your identity. Many things can be stolen from companies. III. Email hacking is common. Mail bombs are thousands of messages send to a single address. Email forgery can cause people reputations to get ruined. Anonymous Email is illegal. Fraud is very com ...
    Related: computer crime, computer viruses, internet access, internet protocol, internet service, internet service provider, internet works
  • Computer Fundermentals - 1,723 words
    ... from the inside, as there are less sectors. When it is reading from the outside there are more sectors so the disk does not have to spin as fast. The storage and retrieval of data interacts in many ways. In most instances computerised data is obtained from paper based information. An example of this is the wages system. On a daily basis, a member of the management team would verify that staff has attended work and take note of the hours, unless there is a clocking in machine. At the end of the week, the total hours worked by each employee would be calculated along with any overtime and bonus. This information is then entered into the organisations computer system. When this task is compl ...
    Related: computer crime, computer skills, computer system, computer systems, computer viruses, personal computer
  • Computer Hackers - 265 words
    Computer Hackers REACTION PAPER FOR CASE STUDY #2, Chapter 17 This Reaction Paper represents my comments about and answers to questions concerning Case Study #2 in Chapter 17, pages 531 and 532 of the textbook. The comments and answers represent my interpretation of what the Case Study is about. Question 1. Sometimes, a successful break-in into system makes it easy to invade many other systems. Answer. Some systems include information that helps hackers invade other systems. Some systems hold such information as credit card numbers, cell phone numbers, and passwords to other computers. If the main computer can be broke into then the other systems can be filtrated. Companies can loose money f ...
    Related: case study, cell phone, reaction paper, valuable, textbook
  • Computer Science Government Intervention Of The Internet During The Past Decade, Our Society Has Become Based Solely On The A - 1,514 words
    ... ns of encoding data so that only someone with the proper "key" can decode it. "Why do you need PGP (encryption)? It's personal. It's private. And it's no one's business but yours. You may be planning a political campaign, discussing our taxes, or having an illicit affair. Or you may be doing something that you feel shouldn't be illegal, but is. Whatever it is, you don't want your private electronic mail (E-mail) or confidential documents read by anyone else. There's nothing wrong with asserting your privacy. Privacy is as apple-pie as the Constitution. Perhaps you think your E-mail is legitimate enough that encryption is unwarranted. If you really are a law-abiding citizen with nothing t ...
    Related: computer science, government intervention, intervention, science, solely, u.s. government
  • Computer Security Issues - 883 words
    Computer Security Issues Computer Security Issues Facing Alsager Ltd. In upgrading the Alsager Ltd IT facilities, despite numerous advantages that the new systems brings one has to be made aware of the possible threats posing. Virus can effect the system. They are pieces of codes created by hacker to create a nuisances and to another extreme corrupt valuable data. Examples of these can be animated icons flying pass the computer screen and to another extreme can be programmes designed to delete the hard drive. The Computer Virus can be caught through a number of ways. The most highly publicised way, is through the Internet, other ways are through removable storage media, such as floppy disks ...
    Related: computer networks, computer security, computer virus, security issues, floppy disk
  • Computer Virus Technology - 1,778 words
    Computer Virus Technology 2.0 Introduction The wind of change came on 26th March in the form of an email cyclone called Melissa. Moreover, during 1999 numerous changes in the level of computer virus technology were seen, Armstrong (May 2000, p1). From an organisational point of view, societies around the world are just learning about the level of importance that computer security against virus attacks and the critical significance of cybercrime. Companies around the world lost vast amounts of time, money and resources due to the lack of defense systems and lack of knowledge. Companies must ensure that the all data processing equipment like computers, routers and networks are robust and secur ...
    Related: computer security, computer virus, technology, virus, operating system
  • Computer Viruses - 1,755 words
    Computer Viruses In the past decade, computer and networking technology has seen enormous growth. This growth however, has not come without a price. With the advent of the "Information Highway", as its coined, a new methodology in crime has been created. Electronic crime has been responsible for some of the most financially devastating victimizations in society. In the recent past, society has seen malicious editing of the Justice Department web page (1), unauthorized access into classified government computer files, phone card and credit card fraud, and electronic embezzlement. All these crimes are committed in the name of "free speech." These new breed of criminals claim that information s ...
    Related: computer crime, computer networks, computer program, computer systems, computer virus, computer viruses, personal computer
  • Control Of Internet - 1,523 words
    ... the proper "key" can decode it. "Why do you need" encryption? "It's personal. It's private. And it's no one's business but yours" (Laberis). You may be planning a political campaign, discussing our taxes, or having an illicit affair. Or you may be doing something that you feel shouldn't be illegal, but it is. Whatever it is, you don't want your private electronic mail or confidential documents read by anyone else. There's nothing wrong with asserting your privacy. Perhaps you are not really concerned about encrypting your e-mail because you believe that you have nothing to hide. I mean you havent broken the law in any way, right? Well then why not just write letters on postcards instead ...
    Related: online available, data encryption, the intended, bystander, decoding
  • Cryptography - 318 words
    Cryptography Cryptography 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 enciphering or deciphering information and keys. Symmetric and asymmetric are two examples of cryptographic systems. Symmetric systems use the same key to encipher and decipher. Asymmetri ...
    Related: cryptography, third party, digital signatures, varying, symmetric
  • Cryptography Is The Science Of Encoding A Message Into A Form That Is Unreadable And Making Sure Only The Proper People Are C - 1,338 words
    Cryptography is the science of encoding a message into a form that is unreadable and making sure only the proper people are capable of decoding the message back into its original form. This is usually done by using an encryption algorithm and a decryption algorithm (these two are often the same) and very often a secret key. Some of the early cryptographic systems did not use a key but instead kept the algorithm itself secret. The message sender uses the encryption algorithm and the key to encode the message, and then sends it to the receiver. The receiver then uses the decryption algorithm and the key to turn back the encrypted message into its original form and read it. If the message is in ...
    Related: cryptography, encoding, science, ancient greece, native americans
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