Steganography has been broadly used, including in contempo actual times and the present day. Possible permutations are amaranthine and accepted examples include:
Hidden belletrist aural wax tablets — in age-old Greece, humans wrote belletrist on the wood, afresh covered it with wax aloft which an innocent accoutrement bulletin was written.
Hidden belletrist on messenger's physique — aswell acclimated in age-old Greece. Herodotus tells the adventure of a bulletin tattooed on the baldheaded arch of a bondservant of Histiaeus, hidden by the hair that afterwards grew over it, and apparent by atom the arch again. The bulletin allegedly agitated a admonishing to Greece about Persian aggression plans. This adjustment has accessible drawbacks, such as delayed manual while cat-and-mouse for the slave's hair to grow, and the restrictions on the amount and admeasurement of belletrist that can be encoded on one person's scalp.
During World War II, the French Resistance beatific some belletrist accounting on the backs of couriers application airy ink.
Hidden belletrist on cardboard accounting in abstruse inks, beneath added belletrist or on the bare locations of added messages.
Belletrist accounting in Morse cipher on knitting yarn and afresh knitted into a section of accouterment beat by a courier.
Belletrist accounting on envelopes in the breadth covered by postage stamps.
During and afterwards World War II, espionage agents acclimated photographically produced microdots to forward advice aback and forth. Microdots were about minute, about beneath than the admeasurement of the aeon produced by a typewriter. World War II microdots bare to be anchored in the cardboard and covered with an adhesive, such as collodion. This was cogitating and appropriately apparent by examination adjoin casual light. Alternative techniques included inserting microdots into slits cut into the bend of column cards.
During World War II, a spy for Japan in New York City, Velvalee Dickinson, beatific advice to adaptation addresses in aloof South America. She was a banker in dolls, and her belletrist discussed the abundance and blazon of baby to ship. The stegotext was the baby orders, while the buried "plaintext" was itself encoded and gave advice about address movements, etc. Her case became somewhat acclaimed and she became accepted as the Baby Woman.
Cold War counter-propaganda. In 1968, aggregation associates of the USS Pueblo intelligence address captivated as prisoners by North Korea, announced in assurance accent during staged photo opportunities, allegorical the United States they were not defectors, but rather were getting captivated bound by the North Koreans. In added photos presented to the U.S., aggregation associates gave "the finger" to the biting North Koreans, in an attack to discredit photos that showed them animated and comfortable.
Hidden belletrist aural wax tablets — in age-old Greece, humans wrote belletrist on the wood, afresh covered it with wax aloft which an innocent accoutrement bulletin was written.
Hidden belletrist on messenger's physique — aswell acclimated in age-old Greece. Herodotus tells the adventure of a bulletin tattooed on the baldheaded arch of a bondservant of Histiaeus, hidden by the hair that afterwards grew over it, and apparent by atom the arch again. The bulletin allegedly agitated a admonishing to Greece about Persian aggression plans. This adjustment has accessible drawbacks, such as delayed manual while cat-and-mouse for the slave's hair to grow, and the restrictions on the amount and admeasurement of belletrist that can be encoded on one person's scalp.
During World War II, the French Resistance beatific some belletrist accounting on the backs of couriers application airy ink.
Hidden belletrist on cardboard accounting in abstruse inks, beneath added belletrist or on the bare locations of added messages.
Belletrist accounting in Morse cipher on knitting yarn and afresh knitted into a section of accouterment beat by a courier.
Belletrist accounting on envelopes in the breadth covered by postage stamps.
During and afterwards World War II, espionage agents acclimated photographically produced microdots to forward advice aback and forth. Microdots were about minute, about beneath than the admeasurement of the aeon produced by a typewriter. World War II microdots bare to be anchored in the cardboard and covered with an adhesive, such as collodion. This was cogitating and appropriately apparent by examination adjoin casual light. Alternative techniques included inserting microdots into slits cut into the bend of column cards.
During World War II, a spy for Japan in New York City, Velvalee Dickinson, beatific advice to adaptation addresses in aloof South America. She was a banker in dolls, and her belletrist discussed the abundance and blazon of baby to ship. The stegotext was the baby orders, while the buried "plaintext" was itself encoded and gave advice about address movements, etc. Her case became somewhat acclaimed and she became accepted as the Baby Woman.
Cold War counter-propaganda. In 1968, aggregation associates of the USS Pueblo intelligence address captivated as prisoners by North Korea, announced in assurance accent during staged photo opportunities, allegorical the United States they were not defectors, but rather were getting captivated bound by the North Koreans. In added photos presented to the U.S., aggregation associates gave "the finger" to the biting North Koreans, in an attack to discredit photos that showed them animated and comfortable.
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