some essential definitions in the field of cryptography are:
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"Few false ideas have more firmly gripped the minds of so many intelligent men than the one that, if they just tried, they could invent a cipher that no one could break." (David Kahn)
The variants of encryption systems are endless.
For deciphering there exists always the same game of trial and error (first guessing the encryption method, then the code). A help to do so is pruning. Once, after a more or less long or short period a code/cipher breaks. Monoalphabetic ciphers can be broken easily and of course are no longer used today but for games.
for further information on codes and ciphers etc. see:
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Following the commercial success of
New technologies were being invented in Japan.
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Between the two World Wars the radio started becoming more and more important; as well in education (e.g.
By hearing unconsciously, without listening, while concentrating on something else, it is easy to spread ideas and emotions. This fact was taken advantage of.
The German Minister for Propaganda,
Radio Moscow, which started working in 1922, tried to intervene in innerstate-affairs in Britain as well as in other countries. The radio was supposed to push ahead the idea of communism.
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A very different form of voluntary disinformation are the calls for donations. Donations offer the possibility to do something good, to help the poor. Afterwards one does no longer have to feel guilty for being luckier than those "others". The same pictures of starving and desperate children for decades, of starving babies with big sad eyes. The pictures show a terrible life. But the idea that contributing money would change the destiny of those children and other people is a lie. States use their population for paying money to make the states' policy less unjust. In fact the money of the Western donators perpetuates the dependence and because of this prolongs the misery into a vicious circle of disinformation on both sides, but it is clever to have one's people believing that they can change the world.
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Disinformation might also be welcome:
While the ones criticize disinformation and try to fight against it, others do nothing against it. And others again seem to enjoy getting disinformed. How this works? It is the result of a society that does no longer want to live under the pressure of doing and hearing everything at the same time. Acceleration of life seems too fast. The only way to get out is to refuse certain things/messages/truths. Receiving disinformation can be more comfortable than getting so-called correct information. This is especially true for the readers of the yellow press. The yellow press lives on that perspective, the commodity of getting light news, mostly wrong news and lies - but those being wrapped up in nice pictures and stories about those who seem to reign the world.
The aim is the escape out of reality.
A surplus of information, information terror, can produce disinformation. The profusion can get exploited for disinformation. This works in that way that in the mass of information the individual has no possibility to get an overview of the different ways of thinking and to reach a stage of objective knowledge.
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Copyright law is a branch of
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Industrial
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The magic word is credibility.
Disinformation can mean leaving out important informations. Telling lies is not the only method of disinformation. The not telling also creates thoughts and delegates them into certain directions, whereas other models of thinking are left out.
Like this, the deaths on the own side are adjusted downwards whereas the victims of the enemy are counted proudly - as long as they are not civilians. The post-Gulf War period demonstrated how the population reacts if the number of innocent victims is much higher than expected. It was the fact of those numbers that provoked the biggest part of the post-war critique.
The media in democratic states tend to criticize this, which does not mean that they always want to be free of governmental influence. They can choose to help the government in a single case by not writing anything against it or by writing pro-government stories.
At the same time every democracy has undemocratic parts in it - which is already part of democracy itself. There are situations when a democratic government may find it essential to put pressure on the media to inform the population in a certain way; and also censorship is nothing that can only be connected to dictatorship; just think of the Falkland War, the Gulf-War or the Kosovo-War.
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With World War I an entire system of ideas how wars work collapsed. Suddenly it was no longer mostly soldiers who had to fight. War became an engagement of every day's life. Everybody got involved.
Propaganda therefore changed as well. The campaigns were no longer temporarily and recent but had to be planned for years. Who failed in organizing it or used the wrong keywords failed. Masters of modern propaganda became the British, whereas the Germans failed completely in the beginning.
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"Although this is a free society, the U.S. mainstream media often serve as virtual propaganda agents of the state, peddling viewpoints the state wishes to inculcate and marginalizing any alternative perspectives. This is especially true in times of war, when the wave of patriotic frenzy encouraged by the war-makers quickly engulfs the media. Under these conditions the media's capacity for dispassionate reporting and critical analysis is suspended, and they quickly become cheer-leaders and apologists for war." (words as propaganda, by
The mass-media would have a possibility to get out of this circle of being disinformed and making others disinformed. To admit that oneself is not always informed correctly, and also mention that the pictures shown are not in any case suitable to the text, as some of them are older, or even from another battle.
For the media it would be easy to talk about the own disinformation in public. Doing this would provoke the government or in the case of the
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the study of breaking others' codes to transform a message back into a legible form without knowing the key from the beginning
an algorithm for bringing a legible message into an illegible form. There has to exist some sort of code book to encode/decode it.
The term refers to the separation of a work process into a number of tasks, with each task performed by a separate person or group of persons. It is most often applied to
Authors of copyrighted works (besides
the enciphered/encoded and primarily illegible text
Developed under the auspices of
Backbone networks are central networks usually of very high bandwidth, that is, of very high transmitting capacity, connecting regional networks. The first backbone network was the
also called "the study of code". It includes both, cryptography and cryptoanalysis
Probably the most significant Internet service, the World Wide Web is not the essence of the Internet, but a subset of it. It is constituted by documents that are linked together in a way you can switch from one document to another by simply clicking on the link connecting these documents. This is made possible by the Hypertext Mark-up Language (HTML), the authoring language used in creating World Wide Web-based documents. These so-called hypertexts can combine text documents, graphics, videos, sounds, and
Especially on the World Wide Web, documents are often retrieved by entering keywords into so-called search engines, sets of programs that fetch documents from as many
Among other things that is the reason why the World Wide Web is not simply a very huge database, as is sometimes said, because it lacks consistency. There is virtually almost infinite storage capacity on the Internet, that is true, a capacity, which might become an almost everlasting too, a prospect, which is sometimes
According to the Internet domain survey of the
The economic rights (besides
Founded in 1982 and headquartered in Palo Alto, USA, Sun Microsystems manufactures computer workstations,
For more detailed information see the Encyclopaedia Britannica:
The water-clocks are an early long-distance-communication-system. Every communicating party had exactly the same jar, with a same-size-hole that was closed and the same amount of water in it. In the jar was a stick with different messages written on. When one party wanted to tell something to the other it made a fire-sign. When the other answered, both of them opened the hole at the same time. And with the help of another fire-sign closed it again at the same time, too. In the end the water covered the stick until the point of the wanted message.
Electronic messages are transmitted and received by computers through a network. By E-Mail texts, images, sounds and videos can be sent to single users or simultaneously to a group of users. Now texts can be sent and read without having them printed.
E-Mail is one of the most popular and important services on the Internet.
Blowfish is a symmetric key block cipher that can vary its length.
The idea behind is a simple design to make the system faster than others.
The DMCA (Digital Millennium Copyright Act) was signed into law by U.S. President Clinton in 1998 and implements the two 1996
Ronald L. Rivest is Webster Professor of Electrical Engineering and Computer Science in MIT's EECS Department. He was one of three persons in a team to invent the
IDEA is another symmetric-key system. It is a block cipher, operating on 64-bit plaintext blocks, having a key-length of 128 bits.