Stallings, William.
Cryptography and network security : principles and practice / William Stallings. - 5th ed. - Upper Saddle River, N.J. : Prentice Hall, 2011. - 743 p. : ill. ; 24 cm.
Previous ed.: 2006.
9780137056323
Data encryption (Computer science)
Computer networks--Security measures.
005.82
Cryptography and network security : principles and practice / William Stallings. - 5th ed. - Upper Saddle River, N.J. : Prentice Hall, 2011. - 743 p. : ill. ; 24 cm.
Previous ed.: 2006.
9780137056323
Data encryption (Computer science)
Computer networks--Security measures.
005.82