h(m) : E a (mod 2*) aESm l = 16 and the vector A (a1,..., a20) = (38434, 29900, 51969, 11915, 44806, 40745, 66,34082, 51216, 29628, 45210, 37681, 13804, 57494, 13287, 43391, 28827, 6822, 51901, 3782 ducc the digcst for m = (1, 1, 1,0,0, 1,0, 1, 1, 0, 0, 1,0, 1,0, 1,0,0,0, 1). Writc a pro- m which finds collisions. Analyze the cfficicncy of your program.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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9. Consider thc knapsack hashing that gcncratcs a digcst
h(m} = E
(mod 2')
for { = 16 and the vector A = (a1,... , a20)
(38434, 29900, 51969, 11915, 44806, 40745,
58466, 34082, 51216, 29628, 45210, 37681, 13804, 57494, 13287, 43391, 28827, 6822, 51901, 3782).
(1, 1, 1,0, 0, 1,0, 1, 1, 0, 0, 1,0, 1,0, 1,0,0,0, 1). Write a pro-
Produce thc digcst for m =
gram which finds collisions. Analyzc the cfficicncy of your program.
Transcribed Image Text:9. Consider thc knapsack hashing that gcncratcs a digcst h(m} = E (mod 2') for { = 16 and the vector A = (a1,... , a20) (38434, 29900, 51969, 11915, 44806, 40745, 58466, 34082, 51216, 29628, 45210, 37681, 13804, 57494, 13287, 43391, 28827, 6822, 51901, 3782). (1, 1, 1,0, 0, 1,0, 1, 1, 0, 0, 1,0, 1,0, 1,0,0,0, 1). Write a pro- Produce thc digcst for m = gram which finds collisions. Analyzc the cfficicncy of your program.
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