CSCI235: Database Systems Assignment, UOW, Singapore Consider the relational schemas are given below and the respective sets of functional dependencies valid in the schemas
Task 1 Consider the relational schemas are given below and the respective sets of functional dependencies valid in the schemas. (i) Find all the minimal super keys of the relational table π . List the derivations of all minimal keys. (ii)…
CSCI361: Cryptography and Secure Applications Assignment, UOW, Singapore you are to design and implement (t, n) Shamirβs secret sharing scheme as described in the lecture in C++, Java or Python
Task 1. Cryptanalysis Let πΈππ be an encryption algorithm based on a one-way function πΉ , and π a shared secret key between the sender and the receiver. πΈππ works as follows: 1. Compute πΎ = πΉ(π)||πΉ(2π)||πΉ(3π)||πΉ(4π)||.. ; 2. For…
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