Study-unit Code
Matematica per la crittografia
Stefano Bistarelli
  • Stefano Bistarelli
  • Francesco Santini (Codocenza)
  • 32 ore - Stefano Bistarelli
  • 31 ore (Codocenza) - Francesco Santini
Course Regulation
Coorte 2022
Learning activities
Attività formative affini o integrative
Academic discipline
Type of study-unit
Opzionale (Optional)
Type of learning activities
Attività formativa monodisciplinare
Language of instruction
English. If requested by the students, in Italian.
1 Introduction
2 ACM curriculum guidelines per IAS
3 Storia della Sicurezza
4 IAS/Foundational Concepts in Security
5 IAS/Principles of Secure Design
6 IAS/Defensive Programming
7 IAS/Threats and Attacks
8 IAS/Network Security
9 IAS/Cryptography
10 laboratory activity
11 Capture the Flag competition (CTF)
The course offers the student elements of advanced security mainly concerning Defensive Programming, Identity Management, Security of OS and Containers (Docker), and Security of smart contracts in Solidity language
Reference texts
Hand notes given by the professor, and books suggested during the lessons
Computer Security by Dieter Gollmann
Introduction to Computer Security by Matt Bishop
Principles of Information Security by Michael E. Whitman and Herbert J. Mattord
Security in Computing by Charles P. Pfleeger and Shari Lawrence Pfleeger
Secure Coding in C and C++ Author: Robert Seacord Series: SEI Series in Software Engineering Paperback: 600 pages Publisher: Addison-Wesley Professional; 2 edition (April 12, 2013) Language: English ISBN-10: 0321822137 ISBN-13: 978-0321822130

Title: Container Security: Fundamental Technology Concepts that Protect Containerized Applications 1st Edition. O'Reilly Media; 1st edition (April 28, 2020). Paperback 200 pages. ISBN-10 : 1492056707
ISBN-13 : 978-1492056706

Title: Mastering Ethereum: Building Smart Contracts and DApps Author: Andreas M. Antonopoulos, Gavin Wood Ph. D. Paperback: 424 pages Publisher: O'Reilly Media; 1 edition (December 23, 2018) Language: English ISBN-10: 1491971940 ISBN-13: 978-1491971949

Solving Identity Management in Modern Applications: Demystifying OAuth 2.0, OpenID Connect, and SAML 2.0. Publisher: Apress; 1st ed. edition (December 19, 2019). Paperback: 337 pages. ISBN-10 : 148425094X
ISBN-13 : 978-1484250945
Educational objectives
To understand the meaning of Information Security and of the Confidentiality, Integrity, and Availability attributes.
Understand the problem of connecting secure systems over insecure networks.
Understand the basic notions of Information Security, Computer Security, and Network Security.
Be able to recognize and handle attacks and be able to build countermeasures, for attacks on systems, networks, and mobile devices
Knowledge of TCP / IP protocol (mandatory)
knowledge of C programming and procedure and function calls (important),
knowledge of SQL (mandatory)
Have successfully passed the examination of Programming, Networking, Operating Systems, and Databases (important)
Teaching methods
Face-to-face and laboratory. possibility of seminars by different guests
Other information
The frequency of the lessons is strongly suggested
Learning verification modality
An oral interview lasting an average of 30 minutes on topics covering all the program of the course. Possibility of specific projects or seminars.
At the request of the student examination can 'be done in Italian or English.
Extended program
1 Introduction
Introduction, prerequisites, books, exam
2 ACM curriculum guidelines for IAS
from the ACM curricular guidelines, with references to contents and parts of textbooks where to find information
3 History of Security
4 IAS/Foundational Concepts in Security
CIA (Confidentiality, Integrity, Availability):
RIF. Gollmann cap. 3, Bishop cap. 1, Stallings cap. 1, Whitman cap. 1, Pfleeger cap. 1, Anderson cap. 1
Concepts of risk, threats, vulnerabilities, and attack vectors:
RIF. Gollmann cap. 2, Bishop cap. 1e18e23, Stallings cap. 1e14, Whitman cap. 1e2(e4), Pfleeger cap. 1
CH01-CompSec3e-note ... rif a security risk analysis, attack trees and indexes
Authentication and authorization, access control (mandatory vs. discretionary):
RIF. Gollmann cap. 4e5, Bishop cap. 4(e5-8)e12, Stallings cap. 3e4, Whitman cap. 6prima_parte
Ch. 4 Bishop
Ch. 5 bishop
cascade problem, secure reconfiguration (slides)
Biba e Clarck-Wilson:
Ch. 6 bishop,
Chinese Wall Model, ORCON, RBAC:
Ch. 7 bishop,
Crittografia, firma digitale, pki e certificati, authentication protocols (Needham-Schroeder, Woo-Lam):
Ch. 8,9,10 bishop,
Authetication methods, Kerberos:
Ch. 9,11 bishop,
Concept of trust and trustworthiness:
RIF. Gollmann cap. 13, Bishop cap. 18e19, Stallings cap. 13, Pfleeger Ch. 5
Ethics (responsible disclosure):
Stallings cap. 19, Whitman cap. 3ultima_parte, Pfleeger cap. 9ultima_parte
5 IAS/Principles of Secure Design
(RIF Bishop cap. 13)
Least privilege and isolation, Fail-safe defaults, Open design, End-to-end security, Defense in depth (e.g., defensive programming, layered defense), Security by design, Tensions between security and other design goals, Complete mediation, Use of vetted security components, Economy of mechanism (reducing trusted computing base, minimize attack surface), Usable security , Security composability Prevention, detection, and deterrence
6 IAS/Defensive Programming
Input validation and data sanitization, Choice of programming language and type-safe languages, Examples of input validation and data sanitization errors
Buffer overflows documentazione di riferimento
Integer errors
SQL Injection, documentazione di riferimento
XSS vulnerability, documentazione di riferimento
Race conditions
Correct handling of exceptions and unexpected behaviors
Correct usage of third-party components
Effectively deploying security updates
7 IAS/Threats and Attacks
Attacker goals, capabilities, and motivations
Examples of malware (e.g., viruses, worms, spyware, botnets, Trojan horses or rootkits)
Denial of Service (DoS) and Distributed Denial of Service (DDoS)
Social engineering (e.g., phishing)
Whitman cap. 2, Gollmann: cap 10, bishop: cap 22, 26, stalling: 6, 7, 10, 11, pfledger: cap 3
8 IAS/Network Security
RIF: Whitman cap. 2, Gollmann: cap 17, bishop: cap 29, stalling: 8, 9 , pfledger: cap 7
Network specific threats and attack types (e.g., denial of service, spoofing, sniffing and traffic redirection, man-in-the-middle, message integrity attacks, routing attacks, and traffic analysis)
Use of cryptography for data and network security
Architectures for secure networks
secure channels,
secure routing protocols,
secure DNS, documentazione di riferimento
anonymous communication protocols,
Defense mechanisms and countermeasures
network monitoring,
intrusion detection,
firewalls, slides e materiale
spoofing and DoS protection,
9 IAS/Cryptography
Basic Cryptography Terminology covering notions pertaining to the different (communication) partners, secure/insecure channel, attackers and their capabilities, encryption, decryption, keys and their characteristics, signatures Cipher types (e.g., Caesar cipher, affine cipher) together with typical attack methods such as frequency analysis Public Key Infrastructure support for digital signature and encryption and its challenges
Defensive programming taxonomy
Stack overflows
Heap overflows
Input validation and data sanitization
Operating system support (e.g., address space randomization, canaries)
Integer errors
Concurrency and race conditions
Static and dynamic analysis
Program Verification
Fuzz Testing
Identity management
OpenID Connect
File rights management in Linux
Cgroup, Namespace, Chroot
Container security
Introduction to Ethereum
Smart Contract Security in Solidity
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