00367nam a22001097a 4500082000800000100001800008245011700026260003600143300001900179650003700198700002200235  a004  aAhmad, Farhan  aElliptic Curve based Signcryption and its Multiple Recipient Scheme for Firewall Implementation / cFarhan Ahmad  aIslamabad :bMCS - NUST,c2011.  a89 p. ;c30cm.  aInformation Technology-MS-Thesis  aDr. Mehreen Afzal