Here the keys for encryption and decryption differ. There needs to exist a private key, which is only known to the individual, and a public key, which is published. Every person has her or his own private key that is never published. It is used for decrypting only. Mathematically the different keys are linked to each other, still it is nearly impossible to derive the private key from the public one.
For sending a message to someone, one has to look up the other's public key and encrypt the message with it. The keyholder will use his/her private key to decrypt it. While everybody can send a message with the public key, the private key absolutely has to stay secret - and probably will.
"The best system is to use a simple, well understood algorithm which relies on the security of a key rather than the algorithm itself. This means if anybody steals a key, you could just roll another and they have to start all over." (Andrew Carol)
very famous examples for public-key systems are:
· RSA:
The RSA is probably one of the most popular public-key cryptosystems. With the help of RSA, messages can be encrypted, but also digital signatures are provided.
The mathematics behind are supposedly quite easy to understand (see:
· PGP:
PGP is a public key encryption program. Most of all it is used for e-mail encryption.
It is supposed to be quite safe - until now.
· PGPi is simply the international variation of PGP.
for further information about the RSA and other key-systems visit the RSA homepage:
or:
All of those tools, like hash functions, too, can help to enhance security and prevent crime.
They can theoretically, but sometimes they do not, as the example of the published credit card key of France in March 2000 showed.
For more information see:
Still, cryptography can help privacy.
On the other hand cryptography is only one element to assure safe transport of data. It is especially the persons using it who have to pay attention. A key that is told to others or a lost cryptographic key are the end of secrecy.
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Although the traditional media companies first steps into the digital sphere were fairly clumsy, they have quickly learned from their mistakes and continued to enlarge their Internet presence.
During the last years many of the smaller players in the field of digital media have been driven out of competition by the huge media conglomerates. This mainly is a result of the advantages that the commercial media giants have over their less powerful counterparts:
- As engagement in online activities mostly does not lead to quick profits, investors must be able to take losses, which only powerful companies are able to.
- Traditional media outlets usually have huge stocks of digital programming, which they can easily plug into the Internet at little extra cost.
- To generate audience, the big media conglomerates constantly promote their Websites and other digital media products on their traditional media holdings.
- As possessors of the hottest "brands" commercial media companies often get premier locations from browser software makers, Internet service providers, search engines and portals.
- Having the financial resources at their disposition the big media firms are aggressive investors in start-up Internet media companies.
Commercial media companies have close and long ties to advertisers, which enables them to seize most of these revenues.
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Starting in the mid 1990s today most traditional media can also be found online. The overwhelming majority of bigger newspapers and periodicals, but also radio and TV stations now complement their classic media formats with digital programming. For the most part they transform existing analogue information in digital form, with some additional features.
Especially the big media conglomerates, having realized the economic potential of the Internet, have started to get into the business of digital content. Not surprisingly their engagement in the virtual sphere has not brought much new concerning their programming. They offer entertainment, music, sports and some news channels. One of the reasons for this development might be, that the big commercial media companies are able to re-use already existing programming from their other ventures. Examples are
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Eli Whitney's proposal for a simplification and standardization of component parts marked a further milestone in the advance of the
By the middle of the 19th century the general concepts of
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Traditional copyright and the practice of paying
Yet again new technologies have altered the way of how (copyrighted) works are produced, copied, made obtainable and distributed. The emergence of global electronic networks and the increased availability of digitalized intellectual property confront existing copyright with a variety of questions and challenges. Although the combination of several types of works within one larger work or on one data carrier, and the digital format (although this may be a recent development it has been the object of detailed legal scrutiny), as well as networking (telephone and cable networks have been in use for a long time, although they do not permit interactivity) are nothing really new, the circumstance that recent technologies allow the presentation and storage of text, sound and visual information in digital form indeed is a novel fact. Like that the entire information can be generated, altered and used by and on one and the same device, irrespective of whether it is provided online or offline.
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Attempts to dictate their rules to the media has become a common practice among marketers and the advertising industry. Similar as in the
According to a memo published by the New York Post, Coca-Cola demands a free ad from any publication that publishes a Coke ad adjacent to stories on religion, politics, disease, sex, food, drugs, environmental issues, health, or stories that employ vulgar language. "Inappropriate editorial matter" will result in the publisher being liable for a "full make good," said the memo by Coke advertising agency
(Source: Odwyerpr.com: Coke Dictates nearby Editorial.
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Double bind messages are extremely effective.
For example in Nicaragua the
By the end of the 1980s the USA even paid Nicaraguans for voting other parties than the Sandinistas.
El Salvador was a similar case. Again the guerrilla got demonized. The difference was the involvement of the Catholic Church, which was highly fought against by the ruling parties of El Salvador - and those again were financially and organizationally supported by the USA. The elections in the 1980s were more or less paid by the USA.
U.S.-politicians were afraid El Salvador could end up being a second Cuba or Nicaragua. Every means was correct to fight this tendency, no matter what it cost.
On the 21st of September 1996, the
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The political orientation of think tanks is as broad as in every other kind of institutions or organizations. It ranges from conservative over centrist to progressive. Still it can be noted, that there are considerable differences between the right and the left wing of think tanks, especially concerning funding sources and revenues as well as media relations, which have considerable consequences on their perception and influence on the public as well as on policy makers.
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Initially computer programmers had to write instructions in machine language. This
Expert systems are advanced computer programs that mimic the knowledge and reasoning capabilities of an expert in a particular discipline. Their creators strive to clone the expertise of one or several human specialists to develop a tool that can be used by the layman to solve difficult or ambiguous problems. Expert systems differ from conventional computer programs as they combine facts with rules that state relations between the facts to achieve a crude form of reasoning analogous to
Latitude: 47.86353, Longitude: 12.00983
RSOC - Bad Aibling is a ground station for the interception of civil and military satellite communications traffic operated by the
for more information:
Description by FAS intelligence resource program.
Description of the tasks of the Signals Intelligence Brigade.
Look at a detailed guide for military newbies at Bad Aibling.
Robot relates to any automatically operated machine that replaces human effort, though it may not resemble human beings in appearance or perform functions in a humanlike manner. The term is derived from the Czech word robota, meaning "forced labor." Modern use of the term stems from the play R.U.R., written in 1920 by the Czech author Karel Capek, which depicts society as having become dependent on mechanical workers called robots that are capable of doing any kind of mental or physical work. Modern robot devices descend through two distinct lines of development--the early
b. June 19, 1623, Clermont-Ferrand, France
d. August 19, 1662, Paris, France
French mathematician, physicist, religious philosopher, and master of prose. He laid the foundation for the modern theory of probabilities, formulated what came to be known as Pascal's law of pressure, and propagated a religious doctrine that taught the experience of God through the heart rather than through reason. The establishment of his principle of intuitionism had an impact on such later philosophers as Jean-Jacques Rousseau and Henri Bergson and also on the Existentialists.
Pine Gap, run by the CIA, is near Alice Springs in central Australia and mostly an underground facility. Pine Gap was mainly established to serve as the groundstation and downlink for reconnaissance satellites like the RHYOLITE and ORION system. The facility consists of more than 7 large antennas in randomes. In Pine Gap's Signals Processing Office transmitted signals are received and transformed for further analysis.There is a no fly zone 4km around PG, and local land holders have agreed not to allow "visitors" access to there properties. It is said that Pine Gap employs nearly 1000 people, mainly from the CIA and the U.S. National Reconnaissance Office (NRO).
Source:
Jeffrey T. Richelson, The U.S. Intelligence Community, (Westview Press, 4th ed., 1999)p190
Nicky Hager, Secret Power, New Zealand's role in the internatinal spy network, (Craig Potton, 1996)p34ff
Pictures of Pine Gap
The U.S.-Army School of Americas (= SOA) is based in Fort Benning (Georgia); it trains Latin American and U.S. soldiers in the working-field of counter-insurgency. Some of the nearly 60.000 SOA-Graduates have been responsible for many of the worst human rights abuses and crimes in Latin America. The list of famous dictators and murderers who went through the education of that institution is tremendous. In 1996 the U.S.-Government that always tried to deny the tasks of SOA, had to admit its work - but never closed it.
For more information see the website of
The economic rights (besides
Slobodan Milosevic (* 1941) is a Serbian political leader.
As a young man S. Milosevic joined the Communist Party, in 1984 the banker became head of the local Communist Party of Belgrade, in 1987 head of the Serb CP. Since 1989 he has been president of Serbia (since 1997 president of the new Federal Republic of Yugoslavia). During his reign the Yugoslav Republic broke up, bringing about the independence of Slovenia and Croatia and the war in Bosnia. In 1998 the Kosovo Crisis started.
The term mass production refers to the application of the principles of specialization,
American corporation founded in 1892 and today engaged primarily in the manufacture and sale of syrup and concentrate for Coca-Cola, a sweetened, carbonated beverage that is a cultural institution in the United States and a symbol around the world of American tastes. The company also produces and sells other soft drinks and citrus beverages. Corporate headquarters are in Atlanta, Ga. The post-World War II years saw diversification in the packaging of Coca-Cola and also in the development or acquisition of new products. In 1946 the company purchased rights to the Fanta soft drink, previously developed in Germany. It introduced the lemon-lime drink Sprite in 1961 and the sugar-free cola Tab in 1963. By purchase of Minute Maid Corporation in 1960, it entered the citrus beverage market. In 1982 the company acquired a controlling interest in Columbia Pictures, a motion picture and entertainment company, but sold its interest to Sony Corporation in 1989.
b. July 1, 1646, Leipzig
d. November 14, 1716, Hannover, Hanover
German philosopher, mathematician, and political adviser, important both as a metaphysician and as a logician and distinguished also for his independent invention of the differential and integral calculus. 1661, he entered the University of Leipzig as a law student; there he came into contact with the thought of men who had revolutionized science and philosophy--men such as
Calculators are machines for automatically performing arithmetical operations and certain mathematical functions. Modern calculators are descendants of a digital arithmetic machine devised by
The DMCA (Digital Millennium Copyright Act) was signed into law by U.S. President Clinton in 1998 and implements the two 1996