Subject » BMEVITMM280
Information and Network Security
Információ - és hálózatbiztonság
A tantárgyleírás hatályossága
Hatályosság kezdete:
2026. March 21.
Hatályosság vége:
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| Subject name (Hungarian, English) |
Információ - és hálózatbiztonság
Information and Network Security
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| Subject code | BMEVITMM280 | ||||||||||||
| Subject type | — | ||||||||||||
| Training Level | — | ||||||||||||
| Course types and hours (weekly/semester) |
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| Assessment type | vizsga | ||||||||||||
| Credits | 4 | ||||||||||||
| Subject coordinator |
DR. Fehér Gábor
position: egyetemi docens
contact:
feher.gabor@vik.bme.hu
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| Responsible department |
Távközlési és Mesterséges Intelligencia Tanszék
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| Faculty | Villamosmérnöki és Informatikai Kar | ||||||||||||
| Subject website | — | ||||||||||||
| Primary curriculum type | — | ||||||||||||
| Direct prerequisites – Strong prerequisite | none | ||||||||||||
| Direct prerequisites – Weak prerequisite | none | ||||||||||||
| Direct prerequisites – Parallel prerequisite | none | ||||||||||||
| Direct prerequisites – Milestone prerequisite | none | ||||||||||||
| Direct prerequisites – Exclusion | none |
Objectives
Programme
Introduction
- Objectives of the information and network security
- Threats and attacks
Cryptography
- Symmetric key encryption
- Block ciphers: DES, 3DES, AES
- Stream ciphers: RC4
- Asymmetric key encryption
- Basics of modulo arithmetics, RSA, DSA, EC
- Hash functions: MD5, SHA1
- Keyed hash functions
- Keymanagement
- Diffie-Hellman (DH), multi user DH
- Keymanagement protocols
- Digital signature
Secure network communication
- Attacks on network security
- Secure communication protocols: IPSec (AH, ESP), TLS/SSL
- Virtual Private Networks
- Firewalls
- NAT, Intrusion detection systems, Honeypots
- Vulnerability analysis
Security of Wireless Networks
- WiFi protection
- WEP, WPA and 802.11i protocols
The objective of the courseis to provide theoretical and practical knowledge from today's information and network security topics. The course introduces the theory and practice of those equipments, methods and algorithms that support secure information sharing over computer networks.
Learning outcomes
Ez a tantárgy a KKK rendeletben meghatározott, következő kompetenciák fejlesztését szolgálja:
Knowledge
No learning outcomes recorded.
Skills
No learning outcomes recorded.
Attitudes
No learning outcomes recorded.
Autonomy and responsibility
No learning outcomes recorded.
Oktatási módszertan
2 lectures and 1 practice per week. Practice in a computer laboratory.
Tanulástámogató anyagok
Online források
Alfred J. Menezes, Paul C. van Oorschot and Scott A. Vanstone, “Handbook of Applied Cryptography”, CRC Press, ISBN: 0-8493-8523-7; Bruce Schneier, Applied Cryptography, Second Edition: Protocols, Algorthms, and Source Code in C, John Wiley & Sons, Inc., ISBN: 0471128457
Recommended preliminary knowledge for completing the subject
Knowledge type competencies
(azon előzetes ismeretek összessége, amelyek megléte nem kötelező, de a tantárgy eredményes teljesítését nagyban elősegíti)
Computer networks
Skill type competencies
(azon előzetes képességek és készségek összessége, amelyek megléte nem kötelező, de a tantárgy eredményes teljesítését nagyban elősegíti)
nincs
Recommended (non-compulsory) preliminary competencies
(azon ajánlott (nem kötelező) előzetesen megszerzendő kompetenciák összessége, amelyek jelentősen hozzájárulnak a tantárgy eredményes teljesítéséhez)
Computer networks
General rules
Requirements:
In the class period there is an in-class test (ZH).
In the examination period there is a written examination.
Condition for the signature is the pass mark of ZH test (40% above). There is a possibility to rewrite the in-class test (ZH). In the rectification period (repeat period) there is another (final) possibility to rewrite the in-class test (ZH).
Students should attend to at least 70% of laboratory classes.
Additional possibilities:
There is one possibility to repeat the test in the class period and there is a final one in the official recap period.
Assessment methods
In-term assessments
No detailed assessments provided.
Weight of in-term assessments
No weights provided.
Exam-period assessments
No detailed assessments provided.
Weight of exam elements
No weights provided.
Grade calculation
No grade thresholds provided.
Attendance requirements
No attendance requirements provided.
Rules for retake and resubmission
Not provided.
Short description
Not provided.
Detailed description
Not provided.
Recommended courses
none
Workload to complete the subject
No workload breakdown provided.
Validity of subject requirements
Requirements valid from:
—
Requirements valid until:
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Curriculum placement
No curriculum placements recorded for this subject version.