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Problem
(a) Distinguish between passive and active attacks.
(b) Give two reasons why it is important to organise security awareness programs for users.
(c) Describe how symmetric cryptography provides
i. confidentiality ii. authentication.
(d) What are the two types of operations used by symmetric cryptography?
(e) Justify Kerchoff's principle.
(f) Which cryptanalytic attack is almost always theoretically feasible?
(g) Mention the four requirements that have to be satisfied for the one-time pad algorithm to provide unconditional security.
(h) Why is it that the one-time-pad algorithm provides unconditional security?
Question: (a) Describe how IPSec provides data source authentication. (b) Which protocol can be used to provide limited traffic analysis confidentiality? Why is it "limite
Elements of Cryptosystems Cryptosystems is characteristically made up of algorithms, data handling techniques, and procedures which are combined in multiple ways to ensure confi
Network diagram for a mediacal care
The world has to deal with newly released vulnerabilities on a daily basis. These vulnerabilities eventually lead to active exploits of systems, and it is our job as cyber securit
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: Human telephone conversations are characterized by irregular pauses, alternating with irregular bursts of speech. In contrast, communication via computers is char
what is an SSID?
I am ryan, i am looking for data security and network assignment help, Do you have experts in data security?
The following message was enciphered with a Vigenère cipher. aikiaawgfspxeppvjabjnivulfznzvkrlidamsmyamlvskniyffdpbwtnxsvvbtnamvltsefoeycztkomylmerkwrs deusjgecmzkwvnreeyp
QUESTION (a) A convex flow problem is a non linear network flow problem. Explain how a convex flow problem could be transformed into a Minimum Cost Flow problem. (b) Exp
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