Guia docente 2023_24 Escuela de Ingeniería de Telecomunicación

Contents

Topic	Sub-topic
1. Encryption	Shannon ciphers. Perfect security. Semantic security. Information-theoretic security: the wiretap channel
2. Stream ciphers	Pseudorandom generators. Composition of PRGs. Security. Attacks. Case studies
3. Block ciphers	Block ciphers. Security. DES & AES. Pseudorandom functions. Construction of PRFs and block ciphers
4. Message integrity	Authentication codes. Message integrity. Definition of security. Keyed MACs. PRFs and MAC. Hashing, hash functions. Universal hashing. Collision resistant hashing. Case studies
5. Authenticated encryption	Definition. Composition. Attacks, examples and case studies
6. Public key cryptography	Definition. Semantic security. One-way trapdoor functions. RSA, ElGamal, McEliece crypto systems. Diffie-Hellman key agreement. Digital signatures. Case studies
7. Advanced cryptography	Elliptic curve cryptography. Lattice-based cryptography. RLWE. Quantumresistant cryptography. Homomorphic encryption
8. Identification protocols	Definitions. Passwords. Challenge-response. sigma-protocols. Okamoto and Schnorr protocols
9. Anonymization	Definitions. t-integrity and anonymity. Divergence. Analysis
10. Data hiding and steganography	Definitions. Spread-spectrum watermarking. Dirty paper coding. Digital forensics.
11. Secure computation	Computable functions. Fundamental limits. Two-way secure computation. Multiparty secure computation. Interactive communications. Homomorphic computations. Applications