Following the commercial success of
New technologies were being invented in Japan.
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2000
Digital technologies are used to combine previously separated communication and media systems such as telephony, audiovisual technologies and computing to new services and technologies, thus forming extensions of existing communication systems and resulting in fundamentally new communication systems. This is what is meant by today's new buzzwords "multimedia" and "convergence".
Classical dichotomies as the one of computing and telephony and traditional categorizations no longer apply, because these new services no longer fit traditional categories.
Convergence and Regulatory Institutions
Digital technology permits the integration of telecommunications with computing and audiovisual technologies. New services that extend existing communication systems emerge. The convergence of communication and media systems corresponds to a convergence of corporations. Recently,
For further information on this issue see Natascha Just and Michael Latzer, The European Policy Response to Convergence with Special Consideration of Competition Policy and Market Power Control, http://www.soe.oeaw.ac.at/workpap.htm or
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Copyright law is a branch of
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1913 the wheel cipher gets re-invented as a strip
1917
- an AT&T-employee, Gilbert S. Vernam, invents a polyalphabetic cipher machine that works with random-keys
1918 the Germans start using the ADFGVX-system, that later gets later by the French Georges Painvin
- Arthur Scherbius patents a ciphering machine and tries to sell it to the German Military, but is rejected
1919 Hugo Alexander Koch invents a rotor cipher machine
1921 the Hebern Electric Code, a company producing electro-mechanical cipher machines, is founded
1923 Arthur Scherbius founds an enterprise to construct and finally sell his
late 1920's/30's more and more it is criminals who use cryptology for their purposes (e.g. for smuggling). Elizabeth Smith Friedman deciphers the codes of rum-smugglers during prohibition regularly
1929 Lester S. Hill publishes his book Cryptography in an Algebraic Alphabet, which contains enciphered parts
1933-1945 the Germans make the Enigma machine its cryptographic main-tool, which is broken by the Poles Marian Rejewski, Gordon Welchman and Alan Turing's team at Bletchley Park in England in 1939
1937 the Japanese invent their so called Purple machine with the help of Herbert O. Yardley. The machine works with telephone stepping relays. It is broken by a team of
1930's the Sigaba machine is invented in the USA, either by W.F. Friedman or his colleague Frank Rowlett
- at the same time the British develop the Typex machine, similar to the German Enigma machine
1943 Colossus, a code breaking computer is put into action at Bletchley Park
1943-1980 the cryptographic Venona Project, done by the NSA, is taking place for a longer period than any other program of that type
1948 Shannon, one of the first modern cryptographers bringing mathematics into cryptography, publishes his book A Communications Theory of Secrecy Systems
1960's the Communications-Electronics Security Group (= CESG) is founded as a section of Government Communications Headquarters (= GCHQ)
late 1960's the IBM Watson Research Lab develops the Lucifer cipher
1969 James Ellis develops a system of separate public-keys and private-keys
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Media systems (especially broadcasting) can be classified in two different types:
Public Media Systems: Government control over broadcasting through ownership, regulation, and partial funding of public broadcasting services.
Private Media System: Ownership and control lies in the hands of private companies and shareholders.
Both systems can exist in various forms, according to the degree of control by governments and private companies, with mixed systems (public and private) as the third main kind.
Whereas public media systems are usually at least partially funded by governments, private broadcasting solely relies on advertising revenue. Still also public media systems cannot exclude advertising as a source of revenue. Therefore both types are to a certain degree dependent on money coming in by advertisers.
And this implies consequences on the content provided by the media. As the attraction of advertisers becomes critically important, interests of the advertising industry frequently play a dominant role concerning the structure of content and the creation of environments favorable for advertising goods and services within the media becomes more and more common.
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17th century Cardinal Richelieu invents an encryption-tool called grille, a card with holes for writing messages on paper into the holes of those cards. Afterwards he removes the cards and fills in the blanks, so the message looks like an ordinary letter. The recipient needs to own the same card
- Bishop John Wilkins invents a cryptologic system looking like music notes. In a book he describes several forms of steganographic systems like secrets inks, but also the string cipher. He mentions the so-called Pig Latin, a spoken way of encryption that was already used by the ancient Indians
- the English scientist, magician and astrologer
1605/1623 Sir Francis Bacon (= Francis Tudor = William Shakespeare?) writes several works containing ideas about cryptography. One of his most important advises is to use ciphers in such a way that no-one gets suspicious that the text could be enciphered. For this the steganogram was the best method, very often used in poems. The attempt to decipher Shakespeare's sonnets (in the 20th century) lead to the idea that his works had been written by Francis Bacon originally.
1671 Leibniz invents a calculating machine that uses the binary scale which we still use today, more advanced of course, called the ASCII code
18th century this is the time of the Black Chambers of espionage in Europe, Vienna having one of the most effective ones, called the "Geheime Kabinettskanzlei", headed by Baron Ignaz von Koch. Its task is to read through international diplomatic mail, copy letters and return them to the post-office the same morning. Supposedly about 100 letters are dealt with each day.
1790's Thomas Jefferson and Robert Patterson invent a wheel cipher
1799 the Rosetta Stone is found and makes it possible to decipher the Egyptian Hieroglyphs
1832 or 1838 Sam Morse develops the Morse Code, which actually is no code but an enciphered alphabet of short and long sounds. The first Morse code-message is sent by telegraph in 1844.
1834 the
1844 the invention of the telegraph changes cryptography very much, as codes are absolutely necessary by then
1854 the Playfair cipher is invented by Sir Charles Wheatstone
1859 for the first time a tomographic cipher gets described
1861 Friedrich W. Kasiski does a cryptoanalysis of the Vigenère ciphers, which had been supposed to be uncrackable for ages
1891 Major Etienne Bazeries creates a new version of the wheel cipher, which is rejected by the French Army
1895 the invention of the radio changes cryptography-tasks again and makes them even more important
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This is the largest area of application of biometric technologies, and the most direct lineage to the feudal gate keeping system. Initially mainly used in military and other "high security" territories, physical access control by biometric technology is spreading into a much wider field of application. Biometric access control technologies are already being used in schools, supermarkets, hospitals and commercial centres, where the are used to manage the flow of personnel.
Biometric technologies are also used to control access to political territory, as in immigration (airports, Mexico-USA border crossing). In this case, they can be coupled with camera surveillance systems and artificial intelligence in order to identify potential suspects at unmanned border crossings. Examples of such uses in remote video inspection systems can be found at
A gate keeping system for airports relying on digital fingerprint and hand geometry is described at
An electronic reconstruction of feudal gate keeping capable of singling out high-risk travellers from the rest is already applied at various border crossing points in the USA. "All enrolees are compared against national lookout databases on a daily basis to ensure that individuals remain low risk". As a side benefit, the economy of time generated by the inspection system has meant that "drug seizures ... have increased since Inspectors are able to spend more time evaluating higher risk vehicles".
However, biometric access control can not only prevent people from gaining access on to a territory or building, they can also prevent them from getting out of buildings, as in the
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New opportunities for online advertisers arise with the possibility of one-to-one Web applications. Software agents for example promise to "register, recognize and manage end-user profiles; create personalized communities on-line; deliver personalized content to end-users and serve highly targeted advertisements". The probably ultimate tool for advertisers. Although not yet widely used, companies like
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Art has always contributed a lot to disinformation.
Many modern tools for disinformation are used in art/photography.
Trillions of photographs have been taken in the 20th century. Too many to look at, too many to control them and their use. A paradise for manipulation.
We have to keep in mind: There is the world, and there exist pictures of the world, which does not mean that both are the same thing. Photographs are not objective, because the photographer selects the part of the world which is becoming a picture. The rest is left out.
Some tools for manipulation of photography are:
morphing (71)
wet operation (73)
neutralizing (74)
masks (75)
damnatio memoriae (78)
Some of those are digital ways of manipulation, which helps to change pictures in many ways without showing the manipulation.
Pictures taken from the internet could be anything and come from anywhere. To proof the source is nearly impossible. Therefore scientists created on watermarks for pictures, which make it impossible to "steal" or manipulate a picture out of the net.
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An important change in the development of computers occurred in 1948 with the invention of the
Stretch by
Throughout the early 1960s there were a number of commercially successful computers (for example the IBM 1401) used in business, universities, and government and by 1965 most large firms routinely processed financial information by using computers. Decisive for the success of computers in business was the stored program concept and the development of sophisticated high-level
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Since the end of June in France anonymous publishing - on the World Wide Web, in newsgroups, mailing lists or chat rooms - is prohibited. The use of pseudonyms, so popular in chat rooms, e.g., is not restricted, but the true identities of those who "publish" on the Net must be known to the users' Internet service and Internet content providers. Additionally, Internet providers are obliged to point out the possibility of blocking access to material to their customers and to offer them appropriate technology for blocking access.
Loi sur la communication audiovisuelle, http://www.legalis.net/jnet/2000/loi-audio/projetloi-fin.htm
Source: Florian Rötzer, Frankreich hat mit der Anonymität im internet Schluss gemacht, in:
Martin Hellman was
Visa International's over 21,000 member financial institutions have made VISA one of the world's leading full-service payment network. Visa's products and services include Visa Classic card, Visa Gold card, Visa debit cards, Visa commercial cards and the Visa Global ATM Network. VISA operates in 300 countries and territories and also provides a large consumer payments processing system.
The WAP (Wireless Application Protocol) is a specification for a set of communication protocols to standardize the way that wireless devices, such as cellular telephones and radio transceivers, can be used for Internet access, including
While Internet access has been possible in the past, different manufacturers have used different technologies. In the future, devices and service systems that use WAP will be able to interoperate.
Source: Whatis.com
Formerly (1955 - 1979) Sperry Rand Corporation, American corporation that merged with the Burroughs Corporation in 1986 to form Unisys Corporation, a large computer manufacturer.
The first half of the 20th century was the era of the vacuum tube in electronics. This variety of electron tube permitted the development of radio broadcasting, long-distance
Digital technologies are used to combine previously separated communication and media systems as telephony, audiovisual technologies and computing to new services and technologies, thus forming extensions of existing communication systems and resulting in fundamentally new communication systems. This is what is meant by today's new buzzwords "multimedia" and "convergence".
Classical dichotomies as the one of computing and telephony and traditional categorisations no longer apply, because these new services no longer fit traditional categories.
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.
b. April 14, 1907, Port-au-Prince, Haiti
d. April 21, 1971, Port-au-Prince
By name PAPA DOC, president of Haiti whose 14-year regime was of unprecedented duration in that country. A supporter of President Dumarsais Estimé, Duvalier was appointed director general of the National Public Health Service in 1946. He was appointed underminister of labour in 1948 and the following year became minister of public health and labour, a post that he retained until May 10, 1950, when President Estimé was overthrown by a military junta under Paul E. Magloire, who was subsequently elected president. By 1954 he had become the central opposition figure and went underground. Duvalier was elected president in September 1957. Setting about to consolidate his power, he reduced the size of the army and organized the Tontons Macoutes ("Bogeymen"), a private force responsible for terrorizing and assassinating alleged foes of the regime. Late in 1963 Duvalier moved further toward an absolutist regime, promoting a cult of his person as the semi divine embodiment of the Haitian nation. In April 1964 he was declared president for life. Although diplomatically almost completely isolated, excommunicated by the Vatican until 1966 for harassing the clergy, and threatened by conspiracies against him, Duvalier was able to stay in power longer than any of his predecessors.
to put the ciphers/codes back into the plaintext
The first of the great medieval universities was established at Bologna. At the beginning, universities predominantly offered a kind of do-it-yourself publishing service.
Books still had to be copied by hand and were so rare that a copy of a widely desired book qualified for being invited to a university. Holding a lecture equaled to reading a book aloud, like a priest read from the Bible during services. Attending a lecture equaled to copy a lecture word by word, so you had your own copy of a book, thus enabling you to hold a lecture, too.
For further details see History of the Idea of a University,