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Talk:OTA Updates
Encryption
Are the updates encrypted in any way (VFDecrypt?) --Balloonhead66 18:31, 30 August 2011 (MDT)
- No. Just regular Zips. --M2m 22:36, 30 August 2011 (MDT)
- Only NOR payloads and RAM disks are encrypted, rest of the "asset" is unencrypted --pjakuszew 04:19, 31 August 2011 (MDT)
- But if you need to update iTunes to 'decrypt' the newest firmware (as iTunes contains the 'password' to do so), then that means that the encrypted stuff has a 'password' that is somewhere on the file system. Maybe if we could access it, we could get them. (maybe disassembling iTunes could get us them also :D) --Balloonhead66 11:12, 31 August 2011 (MDT)
- iTunes doesn't contain any "passwords" Balloonhead66. Everything is done on the device and usually uses the device's built in hardware AES crypt keys. -- iH8sn0w 13:32, 31 August 2011 (EST)
- Dang, but then why do we need to update iTunes to update our device? --Balloonhead66 11:35, 31 August 2011 (MDT)
- Its purpose is to send out firmware files to the device, and only that. --pjakuszew 11:36, 31 August 2011 (MDT)
- I still don't get the point of updating iTunes (other than avoiding an error) --Balloonhead66 11:45, 31 August 2011 (MDT)
- Updating is required because of incompatibilites with newer iOS versions. I think it's about Fairplay and encryption of iPod library database. Another example is support of new hardware; how would you update a 3GS with iTunes 7.5? --pjakuszew 11:56, 31 August 2011 (MDT)
- Ok, that makes sense. Thanks! --Balloonhead66 12:14, 31 August 2011 (MDT)
- Updating is required because of incompatibilites with newer iOS versions. I think it's about Fairplay and encryption of iPod library database. Another example is support of new hardware; how would you update a 3GS with iTunes 7.5? --pjakuszew 11:56, 31 August 2011 (MDT)
- I still don't get the point of updating iTunes (other than avoiding an error) --Balloonhead66 11:45, 31 August 2011 (MDT)
- Its purpose is to send out firmware files to the device, and only that. --pjakuszew 11:36, 31 August 2011 (MDT)
- Dang, but then why do we need to update iTunes to update our device? --Balloonhead66 11:35, 31 August 2011 (MDT)
- iTunes doesn't contain any "passwords" Balloonhead66. Everything is done on the device and usually uses the device's built in hardware AES crypt keys. -- iH8sn0w 13:32, 31 August 2011 (EST)
- But if you need to update iTunes to 'decrypt' the newest firmware (as iTunes contains the 'password' to do so), then that means that the encrypted stuff has a 'password' that is somewhere on the file system. Maybe if we could access it, we could get them. (maybe disassembling iTunes could get us them also :D) --Balloonhead66 11:12, 31 August 2011 (MDT)
Tracker
Anyone into making a watchguard that tracks mesu.apple.com for changes (and records them)? --M2m 00:55, 12 November 2011 (MST)
- I did a crude one. It works by comparing against a list of already done URLs in an array. Future feature: mark them as done with a text box and POST vars.. --Balloonhead66 13:16, 12 November 2011 (MST)
