TY - BOOK AU - Forouzan, Behrouz A. TI - Cryptography and network security SN - 9780070660465 U1 - 005.82 1 PY - 2009/// CY - New Delhi PB - Tata McGraw Hill Publishing Company Ltd. KW - Cryptography-Data encryption KW - Traditional Symmetric-key Ciphers KW - Mathematics of Cryptography KW - Advanced Encryptions Standard ER -