Universitatea Babeş-Bolyai Cluj-Napoca
Facultatea de Matematică şi Informatică
Ciclul de studii: Licenţă
Domeniul: Informatică
Programul de studii: Informatică - în limba engleză
Limba de predare: Engleză

SYLLABUS

I. General data
Code	Subject	
MA024	Cryptography	

Semester	Hours: C+S+L	Category	Status	
8	2+2+0		optional	

II. Full status faculty members
Name and	Scientific	Didactic	Chair	Type of activity	
surname	title	title		C	S	L	
SACAREA Cristian	Ph.D.	Lect.	Algebra	*			

Associated faculty members
Name and	Scientific	Institution	Type of	Type of activity	
surname	title		position	C	S	L	

III. Course objectives
We present the most important algorithms for cryptography with private keys (DES, AES) and public keys (RSA, DSS), and also several protocols.	

IV. Course contents
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.	

V. Bibliography
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 

VI. Thematic of didactic activities per weeks

VII. Didactic methods used

VIII. Assessment
Homework. Essays. Exam.	

IX. Additional references

	Date,							Course responsible,
								Lect. SACAREA Cristian, Ph.D.