The more so-called security measures are taken the more control and the less freedom is granted. Whereas criminals are flexible in their computer work/digital existence, the average person cannot be. So it is her/him who gets punished with an increase of control.
Of course security can be in favor of the population as well - and this is the case if cryptography is legal so that everyone has access to it to protect his/her data. This one needs for e-commerce, secure payments and transmission of private data, mostly e-mails or access to websites where one needs a password. E-mails are nothing else than postcards, letters without envelopes. Without encryption they are easy to open, read and trace back, even without knowing the password. Rumors that Echelon works with a list of key-words, controlling any e-mail in the world and reacting to words of that list, led to actions like the Jam Eschelon Day, last time held on October 21st, 1999, to confuse the espionage system.
for more information on Jam Eschelon Day see:
But the respect for privacy stands for an essential values in democratic societies.
So, how can it be regarded a governmental risk?
At a conference:
"How many people here fear a greater risk
from government abuses of power
than from criminal activity?"
The majority raised their hands,
one participant shouted "What's the difference?"
(anonymous)
If governments really care for the people and want to fight against cybercriminality they should rather support the work on the latest technologies for encryption than to restrict their access. Or even better: they should not intervene at all - to make sure they do not build in any trapdoors. Though it is already too late for discussion like this one as the trapdoors are already part of most of the key-systems. Rumors about PGP and trapdoors do not help the confidence in cryptology.
for information about the risks of cryptography see:
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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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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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Public relations usually is associated with the influencing of public opinion. Therefore it has subsequently been linked with propaganda. Using one of the many definitions of propaganda "... the manipulation of symbols as a means of influencing attitudes on controversial matters" (Harold D. Lasswell), the terms propaganda and PR seem to be easily interchangeable.
Still many authors explicitly distinguish between public relations, advertising and propaganda. Unlike PR, which is often described as objective and extensive information of the public, advertising and propaganda are associated with manipulative activities. Nevertheless to treat public relations and propaganda as equivalents stands in the tradition of PR.
Also institutions like the
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Realizing that he'd need to lower costs
The use of interchangeable parts meant making the individual pieces of the car the same every time. Therefore the machines had to be improved, but once they were adjusted, they could be operated by a low-skilled laborer. To reduce the time workers spent moving around Ford refined the flow of work in the manner that as one task was finished another began, with minimum time spent in set-up. Furthermore he divided the labor by breaking the assembly of the legendary Model T in 84 distinct steps.
Putting all those findings together in 1913 Ford installed the first moving
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Although it is generally hard to distinguish between public relations and propaganda,
It furthermore played a central role in the Gulf War. On behalf of the Kuwaiti government it presented a 15-year-old girl to testify before Congress about human rights violations in a Kuwaiti hospital. The girl, later found out to be the daughter of Kuwait's ambassador to the U.S., and its testimony then became the centerpiece of a finely tuned PR campaign orchestrated by Hill & Knowlton and co-ordinated with the White House on behalf of the government of Kuwait an the Citizens for a Free Kuwait group. Inflaming public opinion against Iraq and bringing the U.S. Congress in favor of war in the Gulf, this probably was one of the largest and most effective public relations campaigns in history.
Running campaigns against abortion for the Catholic Church and representing the
Accused of pursuing potentially illegal proxy spying operation for intelligence agencies, Richard Cheney, head of Hill & Knowltons New York office, denied this allegations, but said that "... in such a large organization you never know if there's not some sneak operation going on." On the other hand former
(Source: Carlisle, Johan: Public Relationships: Hill & Knowlton, Robert Gray, and the CIA.
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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.
This is the story of the virtual Marylyn Monroe created by MRALab in Switzerland. The biography features her personal and professional stories. This being the biography of a virtual being, it does not end with the present and includes, instead, a chapter on her destiny.
To perform manufacturing firm's functions related to design and production the CAD/CAM technology, for computer-aided design and computer-aided manufacturing, was developed. Today it is widely recognized that the scope of computer applications must extend beyond design and production to include the business functions of the firm. The name given to this more comprehensive use of computers is computer-integrated manufacturing (CIM).
Joseph Stalin (1879-1953):
After Lenin's death he took over and became a dictator without any limits of power. Everyone who dared to talk or act against him or was in suspicion of doing so, got killed. Millions were murdered. His empire was one made out of propaganda and fear. As long as he was in power his picture had to be in every flat and bureau. Soon after his death the cult was stopped and in 1956 the De-Stalination was started, though he was partly rehabilitated in 1970.
Whitfield Diffie is an Engineer at Sun Microsystems and co-author of Privacy on the Line (MIT Press) in 1998 with Susan Landau. In 1976 Diffie and
Developed under the auspices of
An operating system is software that controls the many different operations of a computer and directs and coordinates its processing of programs. It is a remarkably complex set of instructions that schedules the series of jobs (user applications) to be performed by the computer and allocates them to the computer's various hardware systems, such as the
1896
The Daily Mail was published in Great Britain. It was the first newspaper for the masses. With the emerging of newspapers the manner how politics was perceived by the public changed completely. It became more difficult to keep secrets, while at the same time there was suddenly a new and nearly perfect tool for manipulation.
Communications satellites are relay stations for radio signals and provide reliable and distance-independent high-speed connections even at remote locations without high-bandwidth infrastructure.
On point-to-point transmission, the transmission method originally employed on, satellites face increasing competition from
In the future, satellites will become stronger, cheaper and their orbits will be lower; their services might become as common as satellite TV is today.
For more information about satellites, see How Satellites Work (
The story of Frank-N-furter, Brad and Janet ... Don't dream it, be it!
http://www.rockyhorrorpictureshow.com/
the study of breaking others' codes to transform a message back into a legible form without knowing the key from the beginning
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