Question
Many people do not want to use long passwords as they are hard to remember. Mr. A gets to know that pseudorandom number generator can
Many people do not want to use long passwords as they are hard to remember. Mr. A gets to know that pseudorandom number generator can "expands short random numbers into long pseudorandom numbers". So he decides to choose an 8 bits number s (which is two bytes) and uses a PRG to generate his password p, an 128-bit string (he pads all 0’s to s to get the input that has proper input length of the PRG). He keeps s secret and generates p whenever he needs it. He feels that p is pseudorandom and thus unbreakable to any practical attacker. As an attacker, do you think what Mr. A did is secure? Give your reason.
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Practical Business Statistics
Authors: Andrew Siegel
6th Edition
0123852080, 978-0123852083
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