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Are you sure that is the case? Or is that the Case for Iphone 5C and earlier? I remember listening to the Security now episode where they discuss the IOS Securi
by ericcumbee 11y ago
Are you sure that is the case? Or is that the Case for Iphone 5C and earlier? I remember listening to the Security now episode where they discuss the IOS Security model and it worked something like.
1)Apple Sends A notification that an update is available.
2) the Phone sends a request with certain identifiers for the update.
3) Witchcraft happens
4) Apple sends a update signed specifically for that device and it will work on no other device.
Like I said that might be for 5c and older or I might have completely invented that.
- ikeboy 11y ago3GS and later introduced SHSH blobs. See sources I linked to in https://news.ycombinator.com/item?id=11141965 https://news.ycombinator.com/item?id=11141965 Every update is signed specifically to the device being updated.