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Cryptography and Network Security by S. Bose, Ajay Kumar

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Chapter 11

Digital Signature

Cryptosystem is the field of study about techniques for achieving and maintaining secure state. In cryptosystem, only authorized users are allowed to use the information contained within the system. In this chapter, different techniques such as digital signature, attacks on digital signature, RSA-based Digital Signature Algorithm (DSA) and java implementation for batch DSA are discussed in detail.

11.1 INTRODUCTION TO DIGITAL SIGNATURE

Digital signature is one of the most important inventions in modern cryptography. The necessity behind the invention of digital signature is a user, who has to sign a message such that intended addressee alone can verify the digital signature. Digital signature of each user should ...

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