logging in or signing up secure routing in ad hoc wireless networks Gulkund Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 2970 Category: Entertainment License: All Rights Reserved Like it (3) Dislike it (0) Added: October 07, 2007 This Presentation is Public Favorites: 1 Presentation Description No description available. Comments Posting comment... By: karthees123 (13 month(s) ago) hi pls forward this to me... my id is karthees123@gmail.com Saving..... Post Reply Close Saving..... Edit Comment Close By: karthees123 (13 month(s) ago) hi pls forwardm this to me... my id is karthees123@gmail.com Saving..... Post Reply Close Saving..... Edit Comment Close By: prashant72 (24 month(s) ago) hi plz forward these to me.... plz.. my mail id is prashant.meti72@gmail.com Saving..... Post Reply Close Saving..... Edit Comment Close By: ahmedelbery (31 month(s) ago) too old Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript Secure Routing in Ad Hoc Wireless Networks: Secure Routing in Ad Hoc Wireless Networks 11.03.2005Requirements of a Secure Routing Protocol: Requirements of a Secure Routing Protocol Detection of malicious nodes Guarantee of correct route discovery Confidentiality of network topology Stability against attacksAODV: AODV Ad-hoc On-demand Distance Vector Protocol Source node broadcasts RouteRequest Intermediate nodes forward it If node has a route to destination, it initiates RouteReplySAR: SAR Security-aware Ad hoc Routing protocol Enables different levels of security Level of trust as a metric Each packet is associated with a security level Intermediate nodes are associated with security levels Different keys for different levels of securitySAR: SARSEAD: SEAD Secure Efficient Ad hoc Distance vector routing protocol Distance Vector Routing The metric used for routing is hop-count Periodic and/or triggered updates DSDV (Highly Dynamic Destination-Sequenced Distance-Vector Routing) uses sequence numbers DSDV-SQ (DSDV for sequence numbers) Assumes upper bound for the metric usedSEAD: SEAD One-Way Hash Function Used for authentication Generates a one-way hash chain Avoids looping Easily implement with slight modifications ARAN: ARAN Authenticated Routing for Ad hoc Networks routing protocol Based on cryptographic certificates Defeats all identified attacks on the network layer Issue of certificates: There exists a trusted server Doesn’t specify any specific key distribution algorithmARAN: ARAN End-to-end route authentication: Ensures that the correct destination is reached by the packets RouteRequest and RouteReply packets encrypted at each nodeSecurity-Aware AODV Protocol: Security-Aware AODV Protocol RouteRequest packets only sent when data packets arrive at node for transmission Malicious node advertises that it has the shortest path redirecting all packets trough itself (blackhole attack) AODV = Ad-hoc On-demand Distance Vector ProtocolSecurity-Aware AODV Protocol: Security-Aware AODV Protocol Solutions: Restrict the intermediate nodes from originating RouteReply FurtherRouteRequest AODV = Ad-hoc On-demand Distance Vector Protocol You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
secure routing in ad hoc wireless networks Gulkund Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 2970 Category: Entertainment License: All Rights Reserved Like it (3) Dislike it (0) Added: October 07, 2007 This Presentation is Public Favorites: 1 Presentation Description No description available. Comments Posting comment... By: karthees123 (13 month(s) ago) hi pls forward this to me... my id is karthees123@gmail.com Saving..... Post Reply Close Saving..... Edit Comment Close By: karthees123 (13 month(s) ago) hi pls forwardm this to me... my id is karthees123@gmail.com Saving..... Post Reply Close Saving..... Edit Comment Close By: prashant72 (24 month(s) ago) hi plz forward these to me.... plz.. my mail id is prashant.meti72@gmail.com Saving..... Post Reply Close Saving..... Edit Comment Close By: ahmedelbery (31 month(s) ago) too old Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript Secure Routing in Ad Hoc Wireless Networks: Secure Routing in Ad Hoc Wireless Networks 11.03.2005Requirements of a Secure Routing Protocol: Requirements of a Secure Routing Protocol Detection of malicious nodes Guarantee of correct route discovery Confidentiality of network topology Stability against attacksAODV: AODV Ad-hoc On-demand Distance Vector Protocol Source node broadcasts RouteRequest Intermediate nodes forward it If node has a route to destination, it initiates RouteReplySAR: SAR Security-aware Ad hoc Routing protocol Enables different levels of security Level of trust as a metric Each packet is associated with a security level Intermediate nodes are associated with security levels Different keys for different levels of securitySAR: SARSEAD: SEAD Secure Efficient Ad hoc Distance vector routing protocol Distance Vector Routing The metric used for routing is hop-count Periodic and/or triggered updates DSDV (Highly Dynamic Destination-Sequenced Distance-Vector Routing) uses sequence numbers DSDV-SQ (DSDV for sequence numbers) Assumes upper bound for the metric usedSEAD: SEAD One-Way Hash Function Used for authentication Generates a one-way hash chain Avoids looping Easily implement with slight modifications ARAN: ARAN Authenticated Routing for Ad hoc Networks routing protocol Based on cryptographic certificates Defeats all identified attacks on the network layer Issue of certificates: There exists a trusted server Doesn’t specify any specific key distribution algorithmARAN: ARAN End-to-end route authentication: Ensures that the correct destination is reached by the packets RouteRequest and RouteReply packets encrypted at each nodeSecurity-Aware AODV Protocol: Security-Aware AODV Protocol RouteRequest packets only sent when data packets arrive at node for transmission Malicious node advertises that it has the shortest path redirecting all packets trough itself (blackhole attack) AODV = Ad-hoc On-demand Distance Vector ProtocolSecurity-Aware AODV Protocol: Security-Aware AODV Protocol Solutions: Restrict the intermediate nodes from originating RouteReply FurtherRouteRequest AODV = Ad-hoc On-demand Distance Vector Protocol