3 ms·
source: https://twitter.com/matthew_d_green/status/985885001542782978 https://twitter.com/matthew_d_green/status/98588500154278297...
by DavideNL 8y ago
source: https://twitter.com/matthew_d_green/status/985885001542782978 https://twitter.com/matthew_d_green/status/98588500154278297...
- thisacctforreal 8y agoThese are easy to calculate, the iOS whitepaper[0] specifies that it uses a PBKDF2 iteration count tuned for 80ms. The passcode is 'entangled' with a per-device 'UID' that only exists in silicon, not accessible by any firmware. It seems that the current GrayKey attacks are closer to ~1s/guess. My last post on the topic: https://news.ycombinator.com/item?id=16833802 https://news.ycombinator.com/item?id=16833802 [0] Page 15 https://www.apple.com/business/docs/iOS_Security_Guide.pdf https://www.apple.com/business/docs/iOS_Security_Guide.pdf