cryptography

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cryptography

(krip-tog′ră-fē) [ crypt- + -graphy]
The science and techniques of concealing or disguising information through encoding and decoding. In the health professions cryptography is used to ensure the confidentiality of medical records.
References in periodicals archive ?
This makes steganography a very powerful technique for attackers to get data past existing defences.
Improvements of image sharing with steganography and authentication.
A couple of free and licensed steganography schemes that use different methods for embedding information in the carrier medium exist.
Like all cryptographic techniques, steganography is fallible.
In fact, the rich level of detail is one of the highlights of the book for technically proficient readers, as it gives them the foundation to jump right into steganography.
The editors have separated the book into two parts, with the first dealing with steganography, its fundamental principles, steganographic applications, and breaking steganographic communication.
Steganography is virtually undetectable unless you know what to look for, says Michael Rasmussen, a senior industry analyst at Giga Information Group, a technology research and consulting firm in Cambridge, Massachusetts.
He may have figured out that via steganography, he can get on the Internet, place a message on any accessible public Web site, and whoever he's trying to get the message to knows where to look for it.
Glasgow-based Iomart has been helping US investigators by using sophisticated software to search the Internet for so-called steganography, the system of hiding messages inside electronic images and music files.
The company has been using sophisticated software to search the net for so-called steganography, the system of hiding messages inside electronic images and music files.