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Consider the plain (i.e., non-padded) RSA public-key encryption scheme.
(a) Encrypt the message m = 12 using the public key pk = (N,e), where N = 35 and e = 3.
(b) Decrypt the cipher-text c = 12 using the secret key sk = (p, q) = (11, 13), where the corresponding public key is pk = (N, e) = (143, 13).
Describe a procedure that selects a key uniformly at random from among the keys in the hash table and returns it in expected time O(L.(1 + 1/α)).
Block cipher, Primitive root, Confusion, Diffusion, Digital signature, Conventional Symmetric-Key Encryption
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Analyse security procedures
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The size of the frame is long enough to guarantee the detection of collision by both stations. Find: The time when station C hears the collision (t3).
Alan and Beatrice are both users of (PKI)also called public key infrastructure. Describe how they use their keys to communicate when Alan sends a private message to Beatrice
Authentic Assessment: The scenario will be a realistic, enterprise-level situation encompassing diverse networking components, including Microsoft Windows, Linux, VoIP, security, wireless, and Cisco technologies.
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Using CBC mode of operation what are the consequences of decrypting the cipher text if it has an error in the first bit of the first block C?
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You are investigating a case involving an employee who is allegedly sending inappropriate photos via e-mail in attachments that have been compressed with a zip utility.
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