''Steganographia'' is a book on
steganography
Steganography ( ) is the practice of representing information within another message or physical object, in such a manner that the presence of the information is not evident to human inspection. In computing/electronic contexts, a computer file, ...
, written in c. 1499 by the German
Benedictine
, image = Medalla San Benito.PNG
, caption = Design on the obverse side of the Saint Benedict Medal
, abbreviation = OSB
, formation =
, motto = (English: 'Pray and Work')
, foun ...
abbot and polymath
Johannes Trithemius.
General
Trithemius' most famous work, ''Steganographia'' (written c. 1499; published
Frankfurt
Frankfurt, officially Frankfurt am Main (; Hessian: , "Frank ford on the Main"), is the most populous city in the German state of Hesse. Its 791,000 inhabitants as of 2022 make it the fifth-most populous city in Germany. Located on its na ...
, 1606), was placed on the ''
Index Librorum Prohibitorum
The ''Index Librorum Prohibitorum'' ("List of Prohibited Books") was a list of publications deemed heretical or contrary to morality by the Sacred Congregation of the Index (a former Dicastery of the Roman Curia), and Catholics were forbidden ...
'' in 1609 and removed in 1900. This book is in three volumes, and appears to be about
magic
Magic or Magick most commonly refers to:
* Magic (supernatural), beliefs and actions employed to influence supernatural beings and forces
* Ceremonial magic, encompasses a wide variety of rituals of magic
* Magical thinking, the belief that unrela ...
—specifically, about using spirits to communicate over long distances. However, since the publication of a decryption
key
Key or The Key may refer to:
Common meanings
* Key (cryptography), a piece of information that controls the operation of a cryptography algorithm
* Key (lock), device used to control access to places or facilities restricted by a lock
* Key (map ...
to the first two volumes in 1606, they have been known to be actually concerned with
cryptography
Cryptography, or cryptology (from grc, , translit=kryptós "hidden, secret"; and ''graphein'', "to write", or ''-logia'', "study", respectively), is the practice and study of techniques for secure communication in the presence of adver ...
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 material on cryptography.
Reception
Mentions within the third book of the magical work by such figures as
Agrippa Agrippa may refer to:
People Antiquity
* Agrippa (mythology), semi-mythological king of Alba Longa
* Agrippa (astronomer), Greek astronomer from the late 1st century
* Agrippa the Skeptic, Skeptic philosopher at the end of the 1st century
* Agri ...
and
John Dee
John Dee (13 July 1527 – 1608 or 1609) was an English mathematician, astronomer, astrologer, teacher, occultist, and alchemist. He was the court astronomer for, and advisor to, Elizabeth I, and spent much of his time on alchemy, divinatio ...
still lend credence to the idea of a mystic-magical foundation concerning the third volume. Additionally, while Trithemius's steganographic methods can be established to be free of the need for angelic–astrological mediation, still left intact is an underlying theological motive for their contrivance. The preface to the ''
Polygraphia'' equally establishes the everyday practicability of cryptography was conceived by Trithemius as a "secular consequent of the ability of a soul specially empowered by God to reach, by magical means, from earth to Heaven".
Robert Hooke
Robert Hooke FRS (; 18 July 16353 March 1703) was an English polymath active as a scientist, natural philosopher and architect, who is credited to be one of two scientists to discover microorganisms in 1665 using a compound microscope that ...
suggested, in the chapter ''Of Dr. Dee's Book of Spirits'', that John Dee used Trithemian steganography to conceal his communication with
Queen Elizabeth I
Elizabeth I (7 September 153324 March 1603) was Queen of England and Ireland from 17 November 1558 until her death in 1603. Elizabeth was the last of the five House of Tudor monarchs and is sometimes referred to as the "Virgin Queen".
El ...
.
See also
*
Greek Magical Papyri
The Greek Magical Papyri (Latin: ''Papyri Graecae Magicae'', abbreviated ''PGM'') is the name given by scholars to a body of papyri from Graeco-Roman Egypt, written mostly in ancient Greek (but also in Old Coptic, Demotic, etc.), which each cont ...
*
History of cryptography
Cryptography, the use of codes and ciphers to protect secrets, began thousands of years ago. Until recent decades, it has been the story of what might be called classical cryptography — that is, of methods of encryption that use pen and paper, ...
References
{{Reflist, 2
External links
Steganographia in english(Trithemius.com)
Steganography
Cryptography books
Occult books