Cryptography

Teaching Staff: Magkos Emmanouil (Manos)
Course Code: ΜΘ-500
Course Type: Elective Course
Course Level: Undergraduate
Course Language: Greek
Semester: 3rd
ECTS: 4
Teaching Units: 4
Lecture Hours: 4
Total Hours: 4
E Class Page: https://e-class.ionio.gr/courses/DCS101/

Short Description:

Cryptology and Cryptology. Classical ciphers; Security and Cryptanalysis. Monoalphabetical ciphers; Polyalphabetic ciphers. Absolute security; One-Time Pad; Computational security of encryption systems; Entropy and cryptographic security; Physical language redundancy; Randomness and Pseudorandomness. Modern Symmetric Cryptosystems: DES algorithm; Triple-DES, Simplified DES. Cipher modes: ECB, CBC, OFB, CFB, CT. Integrity and Message Authentication: Cryptographic Hash functions; Message Authentication Codes. Public Key Cryptography. Public Encryption Algorithms: RSA encryption, Rabin encryption. Deterninistic and Probabilistic encryption; Elgamal cryptosystem; Goldwasser-Micali cryptosystem. Digital Signature Algorithms: RSA signature; ElGamal signature; Digital Signature standard. Public Key infrastructures: Digital certificates; Trust models; PGP model.

Suggested Bibliography:

Stinson, D. R. (2005). Cryptography: theory and practice. CRC press, New York
Menezes, A. J., Van Oorschot, P. C., & Vanstone, S. A. (1997). Handbook of applied cryptography. CRC press, New York.

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