000 00307 a2200121 4500
000 nam a22 7a 4500
005 20260714155852.0
020 _a9789355328250
100 _aShishir Kumar Shandilya
245 _aCyber Security: With Cryptography Essentials
260 _bMcGraw-Hill
_c2025
942 _cBK
999 _c121675
_d121675