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Proof of work for DoS mitigation in TLS – Network Security – IT Assignment

Internal Code: MAS5581

IT Assignment – Network Security

Scenario:

Nowadays, Most of the online stores, financial organization, government entities, insurance and others organization are relying on SSL/HTTPS  to transfer very sensitive data between their servers and clients. and There are many known security issues that make these sensitive data vulnerable to be stolen by hackers.

The issue will be addressed: In TLS v1.3, attackers can generate ClientHello and ClientKeyshare messages easily, while the server has to consume large amounts of CPU doing asymmetric crypto operations to generate ServerKeyshare and ServerCertificateVerify messages.

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