Cast-128,RC2 RC4, RC5

4/10/2011

Stream Cipher Structure

Mukesh Chinta, Asst Prof, CSE

Stream Cipher Properties 

some design considerations are: long period with no repetitions statistically random depends on large enough key  large linear complexity  properly designed, can be as secure as a block cipher with same size key  but usually simpler & faster 











Mukesh Chinta, Asst Prof, CSE

Mukesh Chinta Asst Prof CSE VNRVJIET

6