00438    a2200121   4500082000600000100001800006245005200024260008200076300004200158500005200200563000700252856005700259  a-  aMomina Safdar  aCryptanalysis of machine cipherscMomina Safdar  aIslamabad :bNUST School of Electrical Engineering & Computer Science,c2009.  axi, 276 p. :bill. ;c27 cm +eCD-ROM  aSupervisors : Dr. Fauzan Mirza, Mr. Ali Haider.  aHB  uhttp://10.250.8.41:8080/xmlui/handle/123456789/10407