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Sang-Yoon Chang

This specialization is intended for the learners interested in or already pursuing a career in computer security or other cybersecurity-related fields. Through four courses, the learners will cover the security of information systems, information entropy, classical cryptographic algorithms, symmetric cryptography, asymmetric/public-key cryptography, hash functions, message authentication codes, digital signatures, key management and distribution, and other fundamental cryptographic primitives and protocols.

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What's inside

Two courses

Cryptography and Information Theory

(0 hours)
Welcome to Cryptography and Information Theory! This course combines cryptography and information theory, studying cryptography from the information-theoretical perspectives and discussing concepts such as entropy and attacker knowledge capabilities.

Cryptographic Hash and Integrity Protection

(0 hours)
Welcome to Cryptographic Hash and Integrity Protection! This course explores cryptographic hash functions, hash chains, and hash trees (Merkle trees). It also covers message authentication codes (MACs) based on symmetric keys and digital signatures based on asymmetric cryptography, providing security properties like non-repudiation.

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