Applications Of CryptographyLamia Alam

Roll No: 10

Course No. : CSE-6307

Course Name: Cryptography & Network Security

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Contents

IntroductionApplications of Cryptography

CSE-6301:Cryptography & Network Security

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IntroductionCryptography

the study of secret (crypto-) writing (-graphy); concerned with developing algorithms which

may be used to maintain:privacy or secrecy ;authentication or integrity;

CSE-6301:Cryptography & Network Security

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Applications of Cryptography Secure Message Transmission Using Proxy-Signcryption

Integration of proxy signature & signcryption public key paradigms provides secure transmission;

Used for low power computers;

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Applications of Cryptography

• Monitoring Communication• can impede the government's efforts to legitimately

perform electronic reconnaissance

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• Fractional Observing of Data • Allows only part of the message to be

monitored but not all.

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• Transferring Files on Network • Files that are to be exchanged between

users need to be protected against malicious users and attackers

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• Certificates and Authentication

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• Digital Signature and Authentication

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• Quantum Key Distribution

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• H. Time stamping

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• I. Electronic Money

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• J. Disk Encryption