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Assume Trudy sees your RSA signature on m1 and m2 (i.e., she sees values m1d mod n and m2d mod n). Describe how Trudy can now calculate your signature on (m1j m2k) mod n for arbitrary integers j and k. (you will also require to describe how she can also compute m1-1 mod n) Briefly describe security implications of this capability.
Suppose that there is block cipher ABC that always encrypts block of b=72 bits using key of k= 60 bits. Prove that XYZ doesn't give much stronger security than ABC.
What are your thoughts regarding vulnerabilities surrounding the computing world today and the risks of computers being attacked.
Creates random secret one-time pad key KA and XORs it with K. She sends M1 = KA K to Bob. Bob creates random secret one-time pad key KB, XORs what he gets with it to compute M2 = M1 KB.
Which is more probably to be effective in protecting intellectual property in digital media like CDs and DVDs: tougher copyright laws or new technologies incorporating more sophisticated anti-copying measures?
The 4-types of IT system maintenance also apply to other industries. Assume you were in charge of aircraft maintenance for a small airline.
Students would enter the room, pick up their jobs, and leave. What kinds of security problems might computer services encounter with a system such as this?
Output the string rotated to the right by a user-defined number of characters (0 or more). For example, Hello world!rotated by two characters would be: Hello world.
iscuss and explain each of the seven phases of the systems development life cycle. Make sure your descriptions make connections between the different phases
Determine what your relationship would be like with the technical or IT staff at your corporation if you were working side by side on a project or training exercise?
Organization that severely lacks in appreciating the need for security or a company that depends on equipment that is outdated and services from contractors that are low quality? Why?
Create a threat model for your own blog setup. Additionally, explain the purpose of building a threat model, and how it applies to this case.
What password protection measures are normally implemented by system administrators, operating systems, and security services? Describe the pros and cons of enabling audits of resource accesse
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