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Assignment Tasks
You are expected to complete the following tasks:
1. Stage 1
(a) Implement the cipher as a class which implements the provided interface.
• Implement the S-box functionality as a class
• Implement the permutation as a class which provides the required bit manipulation functions
(b) Test the cipher by constructing a JUnit test suite which con?rms that the cipher's methods operate correctly
(c) Implement a program which uses the cipher to encrypt and decrypt ?les.
Stage 2
(a) Implement a birthday paradox attack on a compression hash function
An organization has 300 members. It is desired that each member of the organization be able to communicate securely with any other member. The organization uses a symmetric cipher.
Alice and Bob select the numbers 6 and 10 privately. What will be public values they transmit and what would be final secret computed?
Consider following protocol for sending an encrypted message from Alice to Bob in presence of Key Distribution Center (KDC).
Turtle Shell Architecture, zero-byte representation, Access Control List, DNS Cache Poisoning attack, 16-pass iterative and 9-pass recursive PHP function
Using RSA User1 ciphers his text M with User2 public key and he gets the cipher text C=371 he sends the Ciphertext to User2 who decrypts the cophertext with his private key.
Question on Security infrastructure and protocols
Propose a detailed plan that focuses on password policies and authentication methods to protect the project from becoming public during the research and development phase.
Assume you are introduced to a assignment manager, who does not have authority to give a pay raise or promote a project team member.
TCO C states "Given a computer network for data transmission, identify and analyze possibilities for loss or modification of data. Write down the vulnerabilities of RPC? What are the present methods of securing RPC?
Reflected XSS and Stored XSS attack, threat Modeling methodologies, Extended Stack Pointer (ESP) and the Extended Base Pointer (EBP), Canary-based defense to buffer overflow attacks in C language, admin.aspx, Index hijacking, cross-site request fo..
Give an example of piece of code that allows a buffer over run to occur. Assuming a program contains absolutely no buffer over runs. What other control flow-related problems may it have.
Known risks of the UNIX password system, it has been recommended that the system be replaced by an alternative system that uses public key cryptography, RSA for example. How might the system derive the secret key for DES from the user's login pas..
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