00847nam a22001937a 4500952009900000999001700099040003600116082001600152100003400168245008900202260003600291300003400327500013100361500004100492500004300533502005700576546001300633942000700646 00104070afsdbfsdd2020-03-05l0o005.8 USMp44924r2020-03-05 00:00:00t1w2020-03-05yTH c30530d30530 cRiphah International University a005.8 bUSM aMuhammad Usman (F16A14G05021) aIssues,challenges and future needs of symmetric block ciphers ba comparative study  aFaisalabadb(Unpublished)c2019 aviii, 77 p.b: ill.c; 30 cm. aSubmitted in fulfillment of requirements for the degree of Master of Sciences in Computer Science to the Faculty of Computing  aIncludes bibliographical references  aThesis supervisor:Dr Ijaz Ali Shoukat  aThesis (MSCS)--Riphah International University, 2019 aEnglish  cTH