Editing Spock
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Spock is the PSP hardware cryptography engine responsible for the raw sector level decryption of UMD’s. Named after Captain Spock of Star Trek | Spock is the PSP hardware cryptography engine responsible for the raw sector level decryption of UMD’s. Named after Captain Spock of Star Trek. | ||
= Executing commands = | = Executing commands = | ||
You can more or less access Spock through Lepton's ram (there is some hidden test mode on Lepton allowing you to do this). Mathieulh will tell more on this later if he ever get the time to clean up those sources. | You can more or less access Spock through Lepton's ram (there is some hidden test mode on Lepton allowing you to do this). Mathieulh will tell more on this later if he ever get the time to clean up those sources. | ||
= Commands = | = Commands = | ||
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0x0A: Decrypt UMD Disc Sector | 0x0A: Decrypt UMD Disc Sector | ||
0x0B: Reset SPOCK | 0x0B: Reset SPOCK | ||
0x0C: | 0x0C: | ||
</pre> | </pre> | ||
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<pre> | <pre> | ||
0x9F, 0x46, 0xF9, 0xFC, 0xFA, 0xB2, 0xAD, 0x05, 0x69, 0xF6, 0x88, 0xD8, 0x79, 0x4B, 0x92, 0xBA | |||
</pre> | </pre> | ||
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== Command 10 (0xA) (Decrypt UMD raw sectors) == | == Command 10 (0xA) (Decrypt UMD raw sectors) == | ||
== Command 11 | == Command 11 (Reset Spock) == | ||
== Command 12 ( | == Command 12 (Read RAW UMD Sectors?) == | ||
* Seems to exist | * Seems to exist on KICHO DENCHO PSP firmware, inside UMDMAN.prx | ||
= Where are spock commands used = | = Where are spock commands used = | ||
* Commands 8 and 0xA are used on psp retail firmware, as well as testkit firmware | * Commands 8 and 10 (0xA) are used on psp retail firmware, as well as testkit firmware | ||
* Commands 1, 2, 3, 4, 5, 8, 9, 0xA and 0xB are used on AV test tool firmware | * Commands 1, 2, 3, 4, 5, 8, 9, 0xA and 0xB are used on AV test tool firmware | ||
* Commands 1, 2, 3, 4, 5, 8, 9, 0xA, 0xB and 0xC are used on Kicho Dencho firmware, which is a special factory firmware. | * Commands 1, 2, 3, 4, 5, 8, 9, 0xA, 0xB and 0xC are used on Kicho Dencho firmware, which is a special factory firmware. | ||
* Usage of these commands can always be found in UMDMAN.prx | * Usage of these commands can always be found in UMDMAN.prx | ||