Mr Solnik says it will take hardware changes to prevent FBiOS from working against future iPhone models. Can't patchhttps://twitter.com/msolnik/status/701638682638315521 …
@msolnik @riskybusiness it doesn't, but those protections would not matter as much if it took whole seconds per passcode attempt.
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@riskybusiness@dguido@msolnik could also allow a decrypt boo time pass phrase different from unlock PIN. That would help a lot.
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@dguido@riskybusiness and the only way to limit it to whole second would be with a hardware change. Hardware allows fast input now... -
@dguido@riskybusiness if I have code exec on 32 - 80ms. Code exec in SEP... Then whatever the exact hardware performance limit is there... -
@msolnik@dguido@riskybusiness the exact hardware performance limit there is 80ms -
@nzkoz@dguido@riskybusiness on 64bit? -
@msolnik@dguido “The iteration count is calibrated so that one attempt takes approximately 80 milliseconds” https://www.apple.com/business/docs/iOS_Security_Guide.pdf … -
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