Visual Pathognomy
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Date
2016-07-14T11:15:18Z
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Abstract
The Greek words kryptos, meaning "hidden," and graphein, meaning "to
write,“.Today is the era of Internet and networks applications. So, Information security is
a challenging issue in today’s technological world. The science of cryptography is not as
enigmatic as you might think. A variety of techniques related to cryptography are used
regularly in everyday life. The discussion of cryptography will be expanded to include
the protection and verification of transmitted information.
Cryptography is the practice and study of techniques for secure communication in
the presence of third parties called adversaries More generally, cryptography is about
constructing and analyzing protocols that prevent third parties or the public from reading
private messages various aspects in information security such as data confidentiality, data
integrity, authentication, and non-repudiation are central to modern cryptography.
Modern cryptography exists at the intersection of the disciplines
of mathematics, computer science, and electrical engineering. Applications of
cryptography include ATM cards, computer passwords, and electronic commerce.
CRYPTOGRAPHY prior to the modern age was effectively synonymous
with encryption, the conversion of information from a readable state to
apparent nonsense.
Modern cryptography is heavily based on mathematical theory and computer
science practice; cryptographic algorithms are designed around computational hardness
assumptions, making such algorithms hard to break in practice by any adversary. It is
theoretically possible to break such a system, but it is infeasible to do so by any known
practical means.
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Visual Pathognomy, Dilsha S Unni, Jyothi Lakshmi M, Lavanya S Nair, Manish Kumar Nagar