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Digital SignaturesDigital Signatures are encrypted messages which can be proven mathematically to be authentic. These are created in response to rising requirement to verify information transferred by using electronic systems. Asymmetric encryption techniques are used to generate digital signatures
Problem: (a) What is the minimum length of a password that could be considered to be "strong" in the context of today's computing power? (b) The security of a PIN system,
Describe the process a proposed standard goes through to become an RFC
Is standard TCP effective in mobile wireless networks that operate with the IEEE 802.11 wireless local area network protocol?Discuss the issue
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 (
Question 1: (a) Differentiate between symmetric and asymmetric encryption system. (b) Describe how a digital signature is created. (c) Explain briefly what SSL (secure so
QUESTION An analog sensor is used to monitor the temperature of sea water at different depth. The sensor is fitted to a buoy and incorporates a wireless transmitter that send
every time i connect to WIFI the UC goes directly to 100% then i doesn''t want to come down. what shall i do ?
(a) (i) Bob has public RSA key (n = 77, e = 7). Show that Bob's private key is (d = 43). (ii) Alice wants to send the message m = 13 to Bob. She encrypts the message usi
QUESTION (a) What do you understand by a VLAN? Provide one advantage of using a VLAN. (b) What is a trunk port in a VLAN? (c) A VLAN will be created using one or more
(a) What is a pseudorandom generator? Give an example describing how it works. (b) Explain the key components of a wireless network and their purpose. (c) Describe the authen
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