Introduction to Digital signatures

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

Introduction to Digital signatures

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Introduction to Digital signatures