Caesar Cypher is one the algorithm technique which is used for encryption the
data.
I also done course namely "Network Security" in which i studies many encryption
algorithm technique...
No-one can tell u on a single email about Caesar Cypher becoz algorithm can be
only learn by books or any friend face to face.
If u need help  from me i can recommend a book for u tht we read as a course book
in which many alogs have discuss breifly...
now im in office i dont remeber itz name, if u really wants then reply me i will
definitely help u if u want to call me ur welcome.