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Hashing and You mixing it up with checksums, associative arrays and more http://en.wikipedia.org/wiki/File:Hashegg.jpg
What is "hashing"? ,[object Object],[object Object],[object Object]
Hashing Functions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Counting... ,[object Object],[object Object]
Caching... Hash tables are good for indexing and searching in general, and thus are good for keeping a cache table as well. The advantages of this are only shown as the datasets being searched, and thus indexed, are sufficiently large that you can no longer use a trivial hashing scheme.
Heuristics... ,[object Object],[object Object]
Birthday Paradox/Attack ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Hashing and you

  • 1. Hashing and You mixing it up with checksums, associative arrays and more http://en.wikipedia.org/wiki/File:Hashegg.jpg
  • 2.
  • 3.
  • 4.
  • 5. Caching... Hash tables are good for indexing and searching in general, and thus are good for keeping a cache table as well. The advantages of this are only shown as the datasets being searched, and thus indexed, are sufficiently large that you can no longer use a trivial hashing scheme.
  • 6.
  • 7.