TY  - BOOK
AU  - Stallings, William.
TI  - Cryptography and network security : : principles and practice /  
SN  - 9781292158
U1  - 005.82 
PY  - 2017///
CY  - Boston : 
PB  - Pearson, 
KW  - Cryptography
N1  - Includes bibliographical references and index
ER  -