A Novel VLSI Archiecture foran-Integrated
Crypto Processor · 2005
Applications suchaselectronic banking, electronic commerce, andVirtual Private Networks(VPNs)require an efficient andcost-effective way toaddress thesecurity threats over publicnetworks. Cryptography isthefundamental componentforsecuring theInternet traffic. However, Cryptographic algorithms imposetremendous processing powerdemandsthat canbeabottleneck inhigh-speed networks. Theultimate solution fortheproblemwouldbean adaptive processorthatcan providesoftware-like flexibility with hardware-like performance Inthis paper we proposea technique thatisbasedon the integration ofpopular crypto techniques bytaking Triple DES, IDEAandAES algorithms withsuitable modifications. The encryption isdonethrough blockcipher method. Eachcrypto algorithm israndomly chosen foreachclockpulse inorderto perform theencryption. Boththerandomized orderandthekey willbe sentthroughDiffie-Hellman keyexchange. The decryption willbeperformed inthesame orderinwhichthe encryption isprocessed. Theproposed technique hasbeen designed tobesuitable forthehigh-speed intranet LAN that uses Cisco switches andRISCbasedserver. Keywords - DES-Dataencryptionstandard, AES-Advanced encryption standard IDEA -International dataencryption standard, ASIC -Application specific integrated circuits, RISC-Reduced instruction setcomputer, LAN Localarea network.