"Babes-Bolyai" University of Cluj-Napoca
Faculty of Mathematics and Computer Science
| Cryptography |
ter |
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| Teaching Staff in Charge |
Lect. SZANTO Csaba Lehel, Ph.D., szanto math.ubbcluj.roLect. SACAREA Cristian, Ph.D., csacarea math.ubbcluj.ro |
| Aims |
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We present the most important algorithms for cryptography with private keys (DES, AES) and public keys (RSA, DSS), and also several protocols. |
| Content |
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Modular arithmetic. Congruences. Modular exponentiation. Quadratic residues. Classical cryptosystems. Complexity of algorithms. Factorization
Private key cryptosystems: DES, AES. Public key cryptosystems. One-way and trapdoor functions. Public key cryptosystems. RSA, Diffie-Hellman. Hash functions. Digital signature. |
| References |
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1. S. ARTO: Criptografie cu chei publice, Ed. Militara, Bucuresti 1983.
2. T. CORMEN, C. LEISERSON, R. RIVEST: Introducere în algoritmi. Computer Press Agora, Cluj Napoca1999. 3. N. KOBLITZ : A Course in Number Theory and Cryptography, Springer-Verlag, Berlin 1994. 4. R.LIDL, G. PILZ : Applied Abstract Algebra, Springer-Verlag, Berlin1998. 5. V.V. PATRICIU: Criptografie si securitatea retelelor de calculatoare. Ed. Tehnica, Bucuresti 1994 6. W. STALLINGS: Cryptography and Network Security, second ed., Prentice-Hall, 1999 |
| Assessment |
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Homework. Essays. Exam. |
| Links: | Syllabus for all subjects Romanian version for this subject Rtf format for this subject |