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Explores the use of a one-time pad version of the Vigenère cipher. In this scheme, the key is a stream of random numbers between 0 and 26. For example, if the key is 3 19 5..., then the first letter of plaintext is encrypted with a shift of 3 letters, the second with a shift of 19 letters, the third with a shift of 5 letters, and so on.
a. Encrypt the plaintext sendmoremoney with the key stream 9 0 1 7 23 15 21 14 11 11 2 8 9
b. Using the cipher text produced in part (a), find a key so that the cipher text decrypts to the plaintext cashnotneeded.
Sector level hard disk encryption is one of the most interesting problems of all. Assume that AES-128 is used to encrypt your local hard disk. What mode will you use? CBC or ECB?
Suggest two types of organizations that would benefit from using digital signatures. Determine two types of organizations that should not use digital signatures. Provide a rationale for each one of your responses.
Transmitting personal and business data and information over secure communication channels is critical. In some cases it is required, especially when personally identifiable information is being transmitted.
Express the Shannon-Hartley capacity theorem in terms of where is the Energy/bit and is the psd of white noise.
Discuss the risks of having a single root user and how more limited management abilities can be given to others users on Linux/UNIX systems. Include a sample generic policy for a limited user from which a configuration could be written. (500 words..
Those links are just for downloading required files. There is no work needed from any links. How is this biometric method more beneficial than keypad where the employee just presses in Pin number?
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.
ecological home network ltbrgtan overview and ecological home network ltbrgtan overview ecological home network
Prepare a Trouble Ticket to record the problem
Examine how this system balanced security and usability, and explain the challenges of incorporating system security and system usability into a design.
Learn to correctly use the tools and techniques within Word to format a research paper including using Word 2010/2013's citation tools. These skills will be valuable throughout students' academic career. The paper will require a title page, NO a..
Summarize the current state of Web application security for your Board of Directors to understand. Determine any common themes that need to be addressed specific to the Web security.
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