Lubbe, Jan C. A. Van Der. , <br/><br/>
Basic methods of cryptography / 
Jan C. A. Van Der Lubbe. 
<br/><br/><label>ISBN: </label>0521554802 0521555590 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer security.<br/>Data encryption (Computer science).
<br/><br/><label>LC Class. No.: </label>QA76.9 .A25   / .L82 1998