TY - BOOK AU - Stallings, William TI - Cryptography and network security : : principles and practice SN - 9788177580112 U1 - 005.8 STA PY - 2005/// CY - Delhi PB - Pearson Education(Singapore) KW - Computer networks -- Security measures. KW - Data encryption KW - Coding theory. KW - Computer security KW - Stallings, William KW - Computer Science ER -