00270nam a2200109Ia 4500003000400000005001700004008004100021020001800062040002000080100002200100245003800122OSt20231117051928.0170524s9999    xx            000 0 und d  a9788131761663  cIIMT UNIVERSITY  aSTALLING- WILLIAM 0aCRYPTOGRAPHY AND NETWORK SECURITY