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Broken MACS, Hashes HW

# Then nd a cycle of h to show that you found be the

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Unformatted text preview: does not have cycle? cycle. Why your algorithm cycle? cipher. Prove that your does not have k bits these properties. (d) (extra credit: 20 pts) Let h|k (construction has of MD5. Then, ﬁnd a cycle of h. To show that you found ·) be the last (d) (extra credit: 20 pts) Let h|k (·) be the last k bits of MD5. Then, ﬁnd a cycle of h. To show that you found a cycle, present the initial value, and the number of times it needs to be hashed before it repeats. Under the a cycle, present 15 points] Find cycle of it largest k you before (d) assumption that your initial value, andathe numberh|k timesthecriteria. If k hashedyou will it repeats. Under the [Extra credit: the program runs correctly, here’s of grading needs to be > 80, can. To show that If the for get 20 points. you assumption that your program initial value, and the number criteria. If it > 80, you be hashed points. If runs correctly, here’s the grading of times k needs to will get 20 before found 80, you will get 16 points. If 64 <...
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