- Education files, insurance files, tax files, communication files, consumption files, medical files, travel files, criminal files, investment files, files into infinity ...
Critical Art Ensemble
Global data bodies
1. Introduction
Informatisation has meant that things that once were "real", i.e. whose existence could be experienced sensually, are becoming virtual. Instead of the real existence of a thing, the virtual refers to its possibility of existence. As this process advances, an increasing identification of the possible with the real occurs. Reality migrates into a dim and dematerialised grey area. In the end, the possible counts for the real, virtualisation creates an "as-if" experience.
The experience of the body is also affected by this process. For example, in bio-technology, the human body and its functions are digitised, which prepares and understanding of the body exlusively in terms of its potential manipulation, the body becomes whatever it could be. But digitisation has not only affected the understanding and the social significance of the body, it has also altered the meaning of presence, traditionally identified with the body. The advance of information and communication technologies (ICTs) has meant that for an increasing number of activities we no longer need be physically present, our "virtual" presence, achieved by logging onto a electronic information network, is sufficient.
This development, trumpeted as the pinnacle of convenience by the ICT industries and governments interested in attracting investment, has deeply problematic aspects as well. For example, when it is no longer "necessary" to be physically present, it may soon no longer be possible or allowed. Online-banking, offered to customers as a convenience, is also serves as a justification for charging higher fees from those unwilling or unable to add banking to their household chores. Online public administration may be expected to lead to similar effects. The reason for this is that the digitalisation of the economy relies on the production of surplus data. Data has become the most important raw material of modern economies.
In modern economies, informatisation and virtualisation mean that people are structurally forced to carry out their business and life their lives in such a way as to generate data.
Data are the most important resource for the New Economy. By contrast, activities which do not leave behind a trace of data, as for example growing your own carrots or paying cash rather than by plastic card, are discouraged and structurally suppressed.
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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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Ross Perot, founder of
Official website:
Unofficial website:
Microwave transmission systems based on terrestrial antennas are similar to satellite transmission system. Providing reliable high-speed access, they are used for cellular phone networks.
The implementation of the