Stallings, William. <br/><br/>
Cryptography and network security / 
By William Stallings. 
 - 7th ed. 
 - Noida :  Pearson India,  2019. 
 - 766 p. ;  00 cm. 
<br/><br/><label>ISBN: </label>9789332585225 
<br/><br/><label>Subjects--Topical Terms: </label><br/>cOMPUTER.
<br/><br/><label>Dewey Class. No.: </label>005.8  / STA