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Centurion (previously known as Verwoerdburg and before that Lyttelton) is an area with 236,580 inhabitants (2011 census) in the Gauteng Province of South Africa, between Pretoria and Midrand. Formerly an independent municipality, with its own town council, it has been part of the City of Tshwane Metropolitan Municipality since 2000.
The JN-25 code used in World War II used a codebook of 30,000 code groups superencrypted with 30,000 random additives. The book used in a book cipher or the book used in a running key cipher can be any book shared by sender and receiver and is different from a cryptographic codebook.
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The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography is a book by Simon Singh, published in 1999 by Fourth Estate and Doubleday. The Code Book describes some illustrative highlights in the history of cryptography , drawn from both of its principal branches, codes and ciphers .
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Zwartkop is a residential suburb next to Centurion lake in Centurion, South Africa. Historically the suburb was part of the town of Centurion. The suburb is located on a cluster of hills south-west of the Centurion lake. The suburb contains multiple security areas which have been closed off and is monitored by independent security companies.
Centurion: Area [1] • Total. 2.00 km 2 (0.77 sq mi) Population ... Postal code (street) 0157. PO box: 0173. Heuweloord is a suburb in Centurion, South Africa.
Centurion is a historical fiction novel (ISBN 0755327764) written by Simon Scarrow, published by Headline Book Publishing in 2007. It is book 8 in the Eagles of the Empire series, continuing Macro and Cato 's adventures in the eastern provinces of the Roman Empire that began in The Eagle in the Sand .