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 an ....etc

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Verification of Cryptographic Protocals Using Logic Programming ....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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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.
....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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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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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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hai.
i just want the information regarding this topic.
please send me the details ....etc

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my name is pavan shinde. I know how data is hide in image with the help of steganography but i cant understand the reference database concept in this seminars. So my expectation is how data is hide with reference grid. I also attch the paper for this mail so plese guide me ....etc

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