Module D: Communication Security

Introduction: cryptography from ancient times to modern era.  

Information security risks and current data security objectives: confidentiality/privacy, authenticity, data integrity and non-repudiation.

Symmetric cryptographic algorithms: substitution ciphers, transposition ciphers and standard symmetric cryptographic algorithms DES and AES.

Asymmetric cryptographic algorithms RSA and Diffie-Hellman´s secure key exchange protocol.

Digital signature algorithms and hash functions.

Digital certificates and public key management.

Internet communication security algorithms and protocols from physical to application layer.

Communication security in WLAN and mobile wireless networks: GSM, TETRA, UMTS and LTE.

Learning about basic cryptographic mechanisms and concepts.

Learning and use of the standard cryptographic algorithms and protocols.

Knowledge of the available mobile network security mechanisms inside the  general layered telecommunication model.

Lectures and practical laboratory work.