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Presented by:
AJAYA SIMHA K.J.


VISUAL CRYPTOGRAPHIC STEGANOGRAPHY IN IMAGES
BASIC OVERVIEW ON CRYPTOGRAPHY
 Cryptography- meaning “secret writing”
 Definition-practice and study of hiding information
 Encryption- To obtain a cipher
 Use- To secure information
The most commonly used techniques are:
 Joint key cryptography-Symmetric key cryptography
 Public key cryptography-Asymmetric key cryptography
 HYBRID CRYPTOSYSTEM-Combines both the features
Joint Key Crypt ....etc

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As we enter the age of universal electronic connectivity, electronic eavesdropping and electronic fraud threaten the prosperity of corporations and individuals. Thus, the role of digital security has become increasingly important. The security requirements within an organization have undergone major changes in the last few decades. Before the widespread use of data processing equipment, data and information valuable to an organization were made invulnerable primarily by physical and administrative means. With the advent of computer networks and ....etc

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Presented By:Bart PRENEELAnalysis and Design of
Cryptographic Hash Functions


Abstract
The subject of this thesis is the study of cryptographic hash functions. The importance of hash functions for protecting the authenticity of information is demonstrated. Applications include integrity protection, conventional message authentication and digital signatures. Theoretical results on cryptographic hash function ....etc

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Cryptographic Tamper Evidence
Abstract
We propose a new notion of cryptographic tamper evidence A tamper-evident signature scheme provides an additional procedure which detects tampering: given two signatures, this can determine whether one of them was generated by the forger. In this case, it might be impossible to tell which signature is generated by the legitimate signer and which by the forger, but at least the fact of the tampering will be made evident. We define several variants of tamper-evidence, differing in th ....etc

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CRYPTOGRAPHIC AUTHENTICATION: Cryptographic authentication schemes and protocols have been developed to provide authenticated key agreement to prevent man-in-the-middle and related attacks. ....etc

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As we enter the age of universal electronic connectivity, electronic eavesdropping and electronic fraud threaten the prosperity of corporations and individuals. Thus, the role of digital security has become increasingly important. The security requirements within an organization have undergone major changes in the last few decades. Before the widespread use of data processing equipment, data and information valuable to an organization were made invulnerable primarily by physical and administrative means. With the advent of computer networks an ....etc

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ACHEIVING NETWORK SECURITY BY ECPVS, ECDH AND ECIES CRYPTOGRAPHIC ALGORITHMS USING DIK3 CURVES
ABSTRACT:
Public –key algorithms create a mechanism for sharing keys among large numbers of participants or entities in a complex information system.ECC is just mathematical equations to make it useful for security, it must be put in to algorithms like ECPVS(Elliptic curve Pintsov Vanstone Signatures) for digital signatures, ECDH(Elliptic curve Diffie-Hellman) for key agreement and ECIES(Elliptic curve Integrated Encryption Stand ....etc

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Verification of Cryptographic Protocals Using Logic Programming ....etc

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cryptographic algorithms


Prof. Bart Preneel
COSIC
Bart.Preneel(at)esatDOTkuleuven.be
http://homes.esat.kuleuven.be/~preneel



meaning of cryptographic

A method or system for transforming given information in order to conceal its meaning.
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