Difference between revisions of "Encryption keys"
Marionumber1 (talk | contribs) m (Clarify several key descriptions, remove redundancy) |
(eh, not really - they get decrypted with the common key before installation just like any other downloadable title, nothing special about it) |
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Used to decrypt the title key for vWii system updates (as part of the Wii U's update process, meaning vWii doesn't have access to it). | Used to decrypt the title key for vWii system updates (as part of the Wii U's update process, meaning vWii doesn't have access to it). | ||
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====Wii U Ancast Key==== | ====Wii U Ancast Key==== | ||
Revision as of 07:34, 11 April 2015
There are lots of encryption keys used on the Wii U. They're seperated into two types, Espresso and Starbuck (for the normal and security processors), aside from a few exceptions. Only SHA1 hashes will be posted here, but several keys are publicly available, as it's possible to dump the Espresso key bank from the OTP. See Fail0verflow's writeup for more details.
Espresso Keys
The Espresso keybank is 64 bytes, with the first 32 being the Ancast Image keys. After the Boot ROM reads these keys, it disables access until the Espresso is reset again.
vWii Ancast Key
ce3641b2660253f5a7e789db297be2c1585b3054
Used to decrypt vWii System Menu and new NANDloader binaries at load time. See Fail0verflow's talk for more information on the NANDloader.
Wii U Ancast Key
2ba6f692ddbf0b3cd267e9374fa7dd849e80f8ab
Used to decrypt the Cafe OS kernel at load time.
Starbuck Keys
Wii U Common Key
6a0b87fc98b306ae3366f0e0a88d0b06a2813313
Used to decrypt the title key for every Wii U application. System titles and installable applications are decrypted at install time, disc-based games are decrypted at load time.
Cafe OS and Starbuck binaries are double-encrypted with this and the Starbuck Wii U Ancast Key.
vWii Common Key
2b30b703c6676c8124c7347b30c7972ffeae2b39
Used to decrypt the title key for vWii system updates (as part of the Wii U's update process, meaning vWii doesn't have access to it).
Wii U Ancast Key
d8b4970a7ed12e1002a0c4bf89bee171740d268b
Used to decrypt Starbuck binaries at load time (namely IOSU for Wii U and cafe2wii for vWii).