In this case which involves an active warden, however, the message needs to look innocuous and hence cryptography fails. Steganography comes to the price¬owners, rescue. The prisoners’, with a strong intention of planning an escape, have already exchanged a code word before they were captured. They use this codeword to secretly exchange messages in the process deceiving the warden by hiding the message in plain sight. The codeword lets them embed and extract information. A possible technique would be to use the code word as a position compass for hiding and extracting letters of the message exchanged. The warden is oblivious to the existence of a secret message. The medium mentioned in the problem above could be photographically produced microdots used by espionage agents during World War II, a Bacon cipher that uses different typefaces to hide information or a digitally altered JPEG image hide using Steg hide. In all the above-mentioned methods the priority is to hide messages in plain sight and make the carrier look
In this case which involves an active warden, however, the message needs to look innocuous and hence cryptography fails. Steganography comes to the price¬owners, rescue. The prisoners’, with a strong intention of planning an escape, have already exchanged a code word before they were captured. They use this codeword to secretly exchange messages in the process deceiving the warden by hiding the message in plain sight. The codeword lets them embed and extract information. A possible technique would be to use the code word as a position compass for hiding and extracting letters of the message exchanged. The warden is oblivious to the existence of a secret message. The medium mentioned in the problem above could be photographically produced microdots used by espionage agents during World War II, a Bacon cipher that uses different typefaces to hide information or a digitally altered JPEG image hide using Steg hide. In all the above-mentioned methods the priority is to hide messages in plain sight and make the carrier look