JayFoxRox: /* Format code: different codes / serial number relation */

2017-09-02T10:02:03Z

‎Format code: different codes / serial number relation

JayFoxRox: /* Format code: different codes / serial number relation */ new section

2017-09-02T09:16:34Z

‎Format code: different codes / serial number relation: new section

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== Format code: different codes / serial number relation ==

* More data is needed to sort out which Xbox a particular code works on, and what other codes exist. Is it based on Xbox scene version numbers? Most likely, NOT! Is it based on factory of production? Is it based on BIOS version? Does anyone know?

Xbox versions usually refer to ''hardware'' revisions.
However, formating is a ''software'' process.

By the serial number, MS can figure out when the Xbox was produced and also what kind of dashboard shipped with it.
I'd assume that the code is only depending on the dashboard version.

I don't think the kernel version will have any influence as all input handling and disk formatting stuff is done in the XAPI / Dashboard; not the kernel.

Therefore we can probably also easily test and confirm this in cxbx-r or xqemu by running various dashboards.{{FIXME|reason=do it!}}
If we don't have it yet, we should try to make a backup of stock Xbox hdds, before installing a softmod. Try to archive the various dashboard versions.

--[[User:JayFoxRox|JayFoxRox]] ([[User talk:JayFoxRox|talk]]) 02:16, 2 September 2017 (PDT)

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 * More data is needed to sort out which Xbox a particular code works on, and what other codes exist. Is it based on Xbox scene version numbers?  Most likely, NOT!  Is it based on factory of production? Is it based on BIOS version?  Does anyone know?
-Xbox versions usually refer to ''hardware'' revisions.
+This seems to be handled by settings3.xap: <code>thePanelJoystick.secretKey = "Y" + theConfig.GetRecoveryKey();</code>
-By the serial number, MS can figure out when the Xbox was produced and also what kind of dashboard shipped with it.
+The <code>GetRecoveryKey</code> function seems to look up symbols from "AXYUDLR" based on some variation of the Xbox HD Key + another random 16 byte key (hardcoded into the kernel). Combined using <code>XcHMAC(hardcodedkeyimentioned, 16, XboxHDKey, 16, NULL, 0, buffer)</code>.
-I don't think the kernel version will have any influence as all input handling and disk formatting stuff is done in the XAPI / Dashboard; not the kernel.
+Then the key is generated using:
-Therefore we can probably also easily test and confirm this in cxbx-r or xqemu by running various dashboards.{{FIXME|reason=do it!}}
+<pre>
-If we don't have it yet, we should try to make a backup of stock Xbox hdds, before installing a softmod. Try to archive the various dashboard versions.
+uint16_t* buffer_words = buffer;
 --[[User:JayFoxRox|JayFoxRox]] ([[User talk:JayFoxRox|talk]]) 02:16, 2 September 2017 (PDT)

Talk:Dashboard - Revision history

JayFoxRox: /* Format code: different codes / serial number relation */

JayFoxRox: /* Format code: different codes / serial number relation */ new section