Besides oral conversations and written language many other ways of information-transport are known: like the bush telegraph, drums, smoke signals etc. Those methods are not cryptography, still they need en- and decoding, which means that the history of language, the history of communication and the history of cryptography are closely connected to each other
The timeline gives an insight into the endless fight between enciphering and deciphering. The reasons for them can be found in public and private issues at the same time, though mostly connected to military maneuvers and/or political tasks.
One of the most important researchers on Cryptography through the centuries is
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Corporate public relations and advertising are not only regularly criticized by intellectuals, scientists and writers, but also by cultural and artistic institutions and practitioners. Themselves using advertising and public relations approaches their products are artistic pieces and also caricature the advertising and public relations industry.
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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 enciphered/encoded and primarily illegible text
to put a word or text into ciphers/codes
The Public Relations Society of America (PRSA), headquartered in New York City, is one of the world's largest professional organizations for public relations practitioners. The Society's almost 20,000 members represent business and industry, counselling firms, government, associations, hospitals, schools, professional services firms and non-profit organizations. Since it was chartered in 1948, PRSA has continued to provide a forum for addressing issues affecting the profession, and tried to promote professional standards. It offers opportunities for improvement of skills and advancement of knowledge, as well as for exchange of information and experiences with other public relations professionals.