warrenellis + code   2

Johannes Trithemius - Wikipedia, the free encyclopedia
This book is in three volumes, and appears to be about magic—specifically, about using spirits to communicate over long distances. Since the publication of the decryption key to the first two volumes in 1606, they have been known to be actually concerned with cryptography and steganography. Until recently, the third volume was widely still believed to be solely about magic, but the "magical" formulae have now been shown to be covertexts for yet more cryptography content.[5] H
code  magic  spook  history 
august 2013 by warrenellis

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