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Wednesday, September 16, 2009

ppt on CRYPTOGRAPHY AND STEGANOGRAPHY .pdf download

ABSTRACT
STEGANOGRAPHY is the art of hiding
data in ways that prevent its detection.
Steganography is usually given as a
synonym for Cryptography but it is
not usually used in that way. It is not
intended to replace cryptography but
supplement it. Computer-based
techniques introduce changes to digital
covers to embed data foreign to the
native covers. Such data may be
communicated in the form of text, binary
files or provide additional information
about the cover and its owner such as
digital watermarks or fingerprints. Smart
cards enables us to perform smart
commerce in the digital age. The smart
card, an intelligent token, is a credit card
sized plastic card embedded with an
integrated circuit chip that makes it
“smart”. It provides not only memory
capacity, but computational capability as
well. This paper explains a new
algorithm, which describes how
steganography can be combined with
cryptography to enhance security of
data stored in smart cards.
This paper aims to outline a general
introduction to cryptography and
steganography, gives an introduction to
smart cards, elucidates the proposed
algorithm, and illustrates how security
of data in smart card is enhanced using
this algorithm.

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1 comments:

Unknown said...

Wow. The power point presentation based on cryptography scheme is very good. It do covers most of the important terms associated with it. I can easily it for my college project. A big thanks to you for sharing it.
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