CSCI361 UOW Assignments
CSCI361: Cryptography and Secure Applications Assignment, UOW, Singapore Consider the Affine Cipher on the alphabet Z26 = {A, B, . . . , Z} with the usual identification
Aims: 1. To gain a basic familiarity with some security concepts, and with classical ciphers, including statistical methods for cryptanalysis of them. 2. To become familiar with block ciphers, mode of operations, the importance of S-box and cryptanalysis of linear…
CSCI361: Cryptography and Secure Applications Assignment, UOW, Singapore you are to design and implement (t, n) Shamir’s secret sharing scheme as described in the lecture in C++, Java or Python
Task 1. Cryptanalysis Let 𝐸𝑛𝑐 be an encryption algorithm based on a one-way function 𝐹 , and 𝑟 a shared secret key between the sender and the receiver. 𝐸𝑛𝑐 works as follows: 1. Compute 𝐾 = 𝐹(𝑟)||𝐹(2𝑟)||𝐹(3𝑟)||𝐹(4𝑟)||.. ; 2. For…
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