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Lower entropy for RUM IDs and Timestamps #251

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chicharr opened this issue Aug 24, 2023 · 0 comments
Open

Lower entropy for RUM IDs and Timestamps #251

chicharr opened this issue Aug 24, 2023 · 0 comments

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@chicharr
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There are different sources of entropy in RUM data, that bring much more entropy than what is actually needed. Which leads to:

  • more data storage required
  • potential de-anonymization

In an effort to reduce the entropy we will:

  • reduce the RUM ID to a 6 digits random string, encoded in base64
  • add a property t = <milliseconds since first read> to the RUM beacon
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@chicharr