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Applications Of CryptographyLamia Alam
Roll No: 10
Course No. : CSE-6307
Course Name: Cryptography & Network Security
Friday, April 21, 2023 2
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