Introduction to Cryptography
Stream ciphers, DES, AES and finite-field arithmetic, block cipher modes, RSA, Diffie-Hellman key exchange, elliptic curve cryptography, hash functions, and digital signatures.
Horst Görtz Institute for IT Security courses in applied cryptography, symmetric and public-key cryptanalysis, and number theory.
Complete semester courses and structured lecture series recorded at Ruhr University Bochum.
Stream ciphers, DES, AES and finite-field arithmetic, block cipher modes, RSA, Diffie-Hellman key exchange, elliptic curve cryptography, hash functions, and digital signatures.
Self-contained research seminars, public lectures, and invited colloquia.
Professor Christof Paar introduces the foundational concepts and constructs of hash-based post-quantum cryptography, detailing its principles and security implications for future cryptographic systems.
Explore the principles and practical applications of Message Authentication Codes (MACs) and Hash-based Message Authentication Codes (HMACs) in securing data integrity within cryptographic systems.
An in-depth lecture on Post-Quantum Cryptography, focusing on the Merkle Signature Scheme (MSS) as a stateless hash-based signature approach, from a leading university program in cybersecurity.
This lecture delves into the vulnerabilities of Man-in-the-Middle attacks, the critical role of digital certificates, and the infrastructure of Public Key Infrastructures (PKI) in modern cryptography.
An examination of symmetric key establishment techniques, culminating in a detailed analysis of the Kerberos protocol for secure network authentication.
Professors, researchers, and invited lecturers recorded at Ruhr University Bochum.



Automata, cryptographic hardness, interactive proofs, and privacy guarantees
MIT · Ruhr University Bochum · Harvard University +1
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