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webgl readPixels FP entropy

readPixels is not covered by RFP (see https://bugzilla.mozilla.org/show_bug.cgi?id=1428034 ) and using my tests [1], on windows I get entropy. Not sure if unique or just OS.

  • Windows 7 32bit 2ba61e7e8e370fdbcefb79456e7e944b060f34289af33732aa6eb75af61ff06c
  • Windows 7 64bit ac9aa378cd16219ecbcb6ec46b57d8a484ac8ad61cbe63c810b40fb2c741e7f3
  • Windows10 64bit c4ef81818ccaca2c4933f63c45bf5ffaaa7f2233f2761e3c6ba14a9e5cb82c25

It seems to be consistent on Linux, and Mac i have no idea: here's some data

  • Mint Cinnamon 32/64bit not supported
  • Ubuntu GNOME 5abc446cce2558be83bfe60baeb6dc7ff2a17635057c4612fe835649e7c77329
  • Debian GNOME 5abc446cce2558be83bfe60baeb6dc7ff2a17635057c4612fe835649e7c77329
  • Mac 10.14 96f2538daa8a0a180f77a13d80ad455a75ae17c5495ce90fa4fd4267cbfd5210

So besides windows OS entropy, theres at least two buckets for Linux?

gk said

Interestingly, I get your macOS one on one of my Linux boxes.

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