Setup: 4x9 grid in Woz of Mica2s. Landmark routing code from midterm demo ... Bandwidth Test Setup. Vary number of senders. Each sender sends as fast as it can ...
To Measure the bandwidth , latency and energy costs of TinySec. ... Ease of use. MESSAGE AUTHENTICATION CODE. ENCRYPTION. DECREASE MESSAGE LENGTH. PUT IN TinyOS ...
... and retransmitting a message should be difficult. Confidentiality. Transparent to applications and programmers. Block Ciphers. Pseudorandom permutation (invertible) ...
A t bit cryptographic checksum with a k bit key from an m bit message ... Restriction can be elminated with reduced security (run in stream cipher mode) ...
No CRC -2 bytes. No group ID -1 bytes. MAC 4 bytes. IV 4 bytes ... CRC is ... Replaces CRC. Can be built using a block cipher. MAC key should be different ...
TinySec: A Link Layer Security Architecture for Wireless Sensor Networks Chris Karlof, Naveen Sastry & David Wagner Dr. Xiuzhen Cheng Department of Computer Science
TinySec: A Link Layer Security Architecture for Wireless Sensor Networks ... Sometimes you don't want all the information to be public (for example, ...
Security analysis. Security of CBC-MAC is directly related to the length of the MAC ... Generating IVs randomly is also a poor choice (birthday paradox) ...
Security on Sensor Networks SPINS: Security Protocol for Sensor Networks TinySec: Security for TinyOS Presented by Min-gyu Cho General Security Requirements ...
Design SenSec with improvement & cryptanalysis. Flagship project: SmartCondo- SecureSensor ... Cryptanalysis. The IV in TinySec. Each sensor keeps an IV for ...
Improvement and cryptanalysis on TinySec. Resilient security mechanisms. SenSec and TPSN ... Cryptanalysis. The IV in TinySec. Each sensor keeps an IV for every ...
... a key file and uses a key from the file, includes the key at compile time. ... In our project, we won't re-design the security API but adopt TinySec with our ...
Title: PowerPoint Presentation Last modified by: Dr. Sun Created Date: 1/1/1601 12:00:00 AM Document presentation format: On-screen Show (4:3) Other titles
Security for Sensor Networks: Cryptography and Beyond David Wagner University of California at Berkeley In collaboration with: Chris Karlof, David Molnar,
Security for Sensor Networks: Cryptography and Beyond David Wagner University of California at Berkeley In collaboration with: Chris Karlof, David Molnar,
A Public Key Infrastructure for Key Distribution in TinyOS Based on Elliptic Curve Cryptography ... Elliptic Curve Cryptography. Like other PKI schemes based on ...
Security (attacks) analysis on distributed sensor network ... Secure data fusion (secure information ... Measure voltage drop with oscilloscope. Results ...
Title: Apresenta o do PowerPoint Author: DTS Last modified by: DTS Created Date: 11/24/2004 10:46:13 AM Document presentation format: Apresenta o na tela
Sybil attacks. Attracting traffic to a specific node, e.g. to ... Bogus routing information, selective forwarding, sinkholes, Sybil, wormholes, HELLO floods ...
BBN Technologies. www.is.bbn.com/projects/lws-nest. 2 ... Diffie-Hellman Demo for Mica 2 Motes, BBN Technologies. 43. Another Possible Target for TinyPK ...
... (for any 23 people two will have matching birthdays greater ... Avoids birthday paradox (uses counter) Each node can send 216 messages before reuse of IV ...
SECURITY PROTOCOLS FOR WIRELESS SENSOR NETWORK ... ZIGBEE Zigbee Coordinator acts as Trust Manager , ... Communication from devices not on the list is ignored.
got a 1 year head start (Smart Dust, Endeavour) Open Experimental Platform ... Platform a de facto standard. unusual arrangement with Crossbow continues to mature ...
Security for Sensor Networks: Cryptography and Beyond ... Interaction with the physical environment. Back to the 90's. New ... bang for your birthday buck ...
Verify and ensure the source node. Make secure data transfer in ... Encrypt (Hash) - Signed data. Decrypt (Hash) Public key. Make hash (Data payload) MD5 ...
Message Modification and Impersonation Attacks: message Authentication Codes ... Authentication, Access Control and Integrity (A): the Counter field is not ...
Old CW: Symmetric-key will probably need HW support. New reality: Symmetric-key is ... applications, we have most of the tools needed. to build reasonably ...
If you disagree with any of these, speak up now or remain silent until ... Attacker forges pressure/temperature readings. Control center processes fake data ...
Keystream leaks, under known-plaintext attack ... the xor of plaintexts leaks (P P' = C C'), which ... Or, if we can guess one plaintext, the other is leaked ...
Mote': Single chip device with a processor, memory, and a bluetooth radio which ... TinyDB: Allows for querying data from motes with SQL-like commands and a ...
(Malicious mote) I fabricate tracking commands. I can't hold many keys. ... For the localization scenario, each mote has 4 keys, reducing from ~12, if pair ...
... heart activity was monitored by Kolliker and Mueller in 1856. In 1903, William Einthoven effectively recorded an electrocardiogram using a crude galvanometer. ...
Maintaining Functional Module Integrity in Sensor Networks. Department of. Computer Science & Engineering. College of Engineering. Kanthakumar Pongaliur ...
... on dynamic, large scale of sensor networks and the Sybil or DoS attacks on them. ... Sybil attack, by Newsome et al. in ACM IPSN'04. Key management schemes ...
now associate professor at Budapest University of Technology and ... watch: Casio. book: Wireless Security. shoes: Nike. suitcase: Samsonite. jeans: Lee Cooper ...
Acoustic board with greater amplitude and dedicated TinyOS processor. dot. mag. ultrasound ... Use RF MAC to mediate acoustic. Associate correct chirp with correct pkt ...
BU-303 GPS Mouse via USB. External antenna connection. 27. Scalability of ... Uses D-2 coloring based TDMA. Differences from Harvest: Collects data from one ...
... IEEE Security and Privacy Magazine. Security Attacks on Sensor ... Each receiver calculates its phase offset as the LS linear regression of the phase offsets ...