00731    a2200169   4500003000500000005001700005040000900022082001000031100003400041245012600075260003800201300001400239505025200253538003100505650001400536651001100550Nust20170207153154.0  cNust  a005.8  aTipu, Adnan Mazhar  ( MSIS-1)  aDevelopment of software for encryption/decryption system based on symmetric cryptographic algorithmcAdnan Mazhar Tipu     bMCS (NUST)cFeb, 2005aRawalpindi  aix, 98 p.  aOverview (page-1) Introduction to cryptography (page-5) Practical cryptosystems (page-16) The advanced encryption standard (page-42) Implementation of i -crypt crypto-system (page-58) Modified AES system (page-67) summary and conclusions (page-76)  a  Almirah No.70 Shelf No.4  aPG Thesis  aMSIS-1