Syllabus

Since this is an experimental course the syllabus is subject to change. Below is its rough summary.

Quantum Cryptography

Weeks 1/2: Quantum tools and a first cryptographic protocol

Density matrices (revision)
Measurements
Partial trace
Secure message transmission
Classical and quantum one-time pad

Weeks 3/4: The power of entanglement

Introduction to entanglement
Purifications
Secret sharing
Bell nonlocality
The monogamy of entanglement

Week 5/6: Quantifying information

Measures of closeness of two quantum states: trace distance and fidelity
Measures of uncertainty: von Neumann and min- entropies
Uncertainty principle as a guessing game

Week 7/8/9: Distributing keys and quantum key distribution protocols

Secure key distribution
Information reconciliation
The BB84 quantum key distribution protocol
Purifying protocols using entanglement
Security from tripartite uncertainty relations

Week 10/11: Quantum cryptography using untrusted devices

Testing devices using a Bell experiment
Device independent quantum key distribution

Week 12/13: Quantum cryptography beyond quantum key distribution (if time permits)

Coin flipping
Bit commitment
Oblivious transfer
Position verification