000 00255 a2200109 4500
999 _c52882
_d52882
020 _a9788126522859
100 _a"SHYAMALA, C.K
_91182
245 0 _aCRYPTOGRAPHY AND SECURITY
260 _bWILEY INDIA
_aNEW DELHI
_c2017
300 _axxx,-529
365 _b699