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Illustrate about TinySec Protocol
TinySec is implemented on the link layer and addresses security requirements of the resource staffed nodes in the WSN based on the link layer cryptography. The link layer protocol security requirements include message integrity, access control, and message confidentiality. The IPSec, SSL/TLS protocols cannot be applied on resource staffed WSN nodes because they are resource intensive. TinySec provides security solutions based on authentication only (TinySec-Auth), and the authenticated encryption (TinySec-AE) security options. TinySec uses "MAC to authenticate data payload which has been encrypted" and "MAC computations done on the packet data".
Spambot Detection: The previous studies in this field have focused on content and meta-content based features. The main assumption in this area of spam detection of late is
(a) Illustrate what you understand by Nyquist Capacity Theorem? (b) Consider we wish to transmit at a rate of 64 kbps over a 4 kHz noisy but error-free channel. What is the mini
WHY USE AN IDS? IDS prevent from problem behaviors by increasing the perceived risk of discovery and punishment. Detect the attacks and other security violations. Detect and at
BALANCING SECURITY AND ACCESS Even with best planning and implementation, it is impossible to obtain perfect security, that is, it is a process, not an absolute. Security should
what is an SSID?
Question 1: (a) (i) Radio waves are subject to several propagation problems. Name any three of them. (ii) A Wi-Fi receiver requires a signal power of 50mW to operate correc
What key which if used to encrypt the ciphertext again would give back the plaintext (i.e. key is a weak key)? Define a formula for identifying weak keys for the cipher below (
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Categories of Controls Controlling risk through mitigation, avoidance or transference is accomplished by implementing controls. There are 4 effective approaches to select the co
Question: (a) Give 2 benefits of using IPsec. (b) IPSec uses two protocol for security: Authentication Header protocol (AH) and the Encapsulated Security Header Protocol (
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