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Introduction to Digital signatures

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Rohit Bhat
Rohit Bhat

This document provides an introduction to digital signatures, including an overview of encryption, hashing, digital signature creation and verification, and different digital signature schemes like RSA, ElGamal, and Schnorr. It also discusses the legal aspects and advantages/disadvantages of digital signatures.

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Introduction to the world of Digital Signatures…! Rohit Bhat 1PI08EC092 VI Sem ECE
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Contents
Encryption ,[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Simple Encryption Example
[object Object],[object Object],[object Object],Digital Signatures
Creation of Digital Signatures ,[object Object],[object Object],[object Object],[object Object]
Hashing ,[object Object],[object Object],[object Object],[object Object],[object Object]
Hashing Algorithm ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Methods of Encryption based on Privacy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],Prerequisites to create a digital signature
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Digital Signature Verification
 
 
Digital Signature Schemes ,[object Object],[object Object],[object Object],[object Object],[object Object]
RSA Algorithm ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
ElGamal Scheme ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Schnorr Digital Signature Scheme ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Digital Signature Standard (DSS) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Digital Signature Standard (DSS) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Legal Aspects of Digital Signatures
[object Object],[object Object],Advantages of Digital Signatures Integrity of data , every change will be detected. Non repudiation , because the author cannot be denied of his work (he created and sent). Imposter prevention Elimination of possibility of committing fraud by an imposter
The disadvantages of using digital signatures involve the primary avenue for any business: money. Though the use of Digital Signatures is very powerful way to secure and authenticate a message or document, its advantages are hampered by lost or theft of keys and the use of vulnerable storage facilities. A number of Digital Signature standard exist which are incompatible with each other and there is a strong need of a standard through which these different methods (keys) can interact. Disadvantages
Q U E R I E s ?
 

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Introduction to Digital signatures

  • 1. Introduction to the world of Digital Signatures…! Rohit Bhat 1PI08EC092 VI Sem ECE
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  • 23. The disadvantages of using digital signatures involve the primary avenue for any business: money. Though the use of Digital Signatures is very powerful way to secure and authenticate a message or document, its advantages are hampered by lost or theft of keys and the use of vulnerable storage facilities. A number of Digital Signature standard exist which are incompatible with each other and there is a strong need of a standard through which these different methods (keys) can interact. Disadvantages
  • 24. Q U E R I E s ?
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