Hardy, Darel W. , <br/><br/>
Applied algebra :  codes, ciphers and discrete algorithms / 
Darel W. Hardy, Carol L. Walke. 
 - x, 420 pages :  illustrations ;  24 cm. 
<br/><br/><label>ISBN: </label>0130674648 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coding theory.<br/>Computer security --Mathematics.
<br/><br/><label>LC Class. No.: </label>QA268   / .H37 2003