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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 [[ritual magic|magic]], but the "magical" formulae have now been shown to be covertexts for yet more cryptographic content. However, mentions of the magical work within the third book by such figures as Agrippa and John Dee still lend credence to the idea of a mystic-magical foundation concerning the third volume. | 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 [[ritual magic|magic]], but the "magical" formulae have now been shown to be covertexts for yet more cryptographic content. However, mentions of the magical work within the third book by such figures as Agrippa and John Dee still lend credence to the idea of a mystic-magical foundation concerning the third volume. | ||
While Trithemius's steganographic methods were established to be free of the need for angelic–[[astrology|astrological]] mediation, they left intact is an underlying theological motive for their contrivance. The preface to the ''Polygraphia'' equally establishes that the everyday practicability of cryptography was conceived by Trithemius as a "secular consequent of the ability of a soul specially empowered by [[Yahweh|God]] to reach, by magical means, from earth to Heaven." | While Trithemius's steganographic methods were established to be free of the need for angelic–[[astrology|astrological]] mediation, they left intact is an underlying theological motive for their contrivance. The preface to the ''Polygraphia'' equally establishes that the everyday practicability of cryptography was conceived by Trithemius as a "secular consequent of the ability of a soul specially empowered by [[Yahweh|God]] to reach, by magical means, from [[earth]] to [[Heaven]]." | ||
Robert Hooke suggested that [[John Dee]] made use of Trithemian steganography to conceal his communication with Queen Elizabeth I. Amongst the codes used in this book is the Ave Maria cipher, where each coded letter is replaced by a short sentence about [[Jesus Christ|Jesus]] in Latin. | Robert Hooke suggested that [[John Dee]] made use of Trithemian steganography to conceal his communication with Queen Elizabeth I. Amongst the codes used in this book is the Ave Maria cipher, where each coded letter is replaced by a short sentence about [[Jesus Christ|Jesus]] in Latin. | ||