Editing DeviceID
Jump to navigation
Jump to search
The edit can be undone. Please check the comparison below to verify that this is what you want to do, and then publish the changes below to finish undoing the edit.
| Latest revision | Your text | ||
| Line 2: | Line 2: | ||
== Description == | == Description == | ||
It is a unique 20 bytes (0x14) hexsequence inside your PSVita / PSTV. It is simply the SHA1 hash of [[openPSID]]. It is stored inside several files such as [[id.dat]] or calendar.db in order to check that the inserted memory card was not previously in another PSVita, else a database refresh is performed. | It is a unique 20 bytes (0x14) hexsequence inside your PSVita / PSTV. It is simply the SHA1 hash of [[openPSID]]. It is stored inside several files such as [[id.dat]] or calendar.db in order to check that the inserted memory card was not previously in another PSVita, else a database refresh is performed. | ||
Why did | Why did SONY not simply used openPSID ? | ||
On PSP, OpenPSID was almost never used except for savedata. | On PSP, OpenPSID was almost never used except for savedata. | ||
| Line 11: | Line 10: | ||
On PS3, OpenPSID was used for act.dat checks, savedata / trophies when no PSN account bounded. | On PS3, OpenPSID was used for act.dat checks, savedata / trophies when no PSN account bounded. | ||
On PSVita, OpenPSID is used the same way as on PS3 but | On PSVita, OpenPSID is used the same way as on PS3 but SONY secured still more its console by using the hash of OpenPSID and not OpenPSID itself. | ||
This way, it | This way, it's harder for people to know their openPSID. But since we have tm0: partition read access from 3.00 to 3.60, we can simply read 0x10 Bytes at offset 0x850 of tm0:npdrm/act.dat to get openPSID. | ||
[[File:OpenPSID-to-DID.png]] | [[File:OpenPSID-to-DID.png]] | ||
[[Files_on_the_PS_Vita#ux0|ux0:]][[id.dat]] | [[Files_on_the_PS_Vita#ux0|ux0:]][[id.dat]] | ||
=== Location of the files where it is stored === | === Location of the files where it is stored === | ||
[[Files_on_the_PS_Vita#ux0|ux0:]]calendar/calendar.db | |||
{| class="wikitable" style="text-align:center; font-size:small;" | {| class="wikitable" style="text-align:center; font-size:small;" | ||
| Line 30: | Line 28: | ||
|- | |- | ||
| calendar.db || tbl_app_authentication_info >> column open_psid >> 297C4C0FA1F5A6E374FE4FE65535E03DC1643F2C || The value of the Hexsequence is stored as a Text value | | calendar.db || tbl_app_authentication_info >> column open_psid >> 297C4C0FA1F5A6E374FE4FE65535E03DC1643F2C || The value of the Hexsequence is stored as a Text value | ||
|- | |||
|} | |} | ||
| Line 35: | Line 34: | ||
|- | |- | ||
| [[File:psid.png|thumb|left]] || | | [[File:psid.png|thumb|left]] || | ||
|- | |||
|} | |} | ||
=== Structure === | === Structure === | ||
{| class="wikitable" style="text-align:center; font-size:small;" | {| class="wikitable" style="text-align:center; font-size:small;" | ||
|- | |- | ||
| Line 44: | Line 43: | ||
|- | |- | ||
| DID || 20 bytes (0x14) || 297C4C0FA1F5A6E374FE4FE65535E03DC1643F2C | | DID || 20 bytes (0x14) || 297C4C0FA1F5A6E374FE4FE65535E03DC1643F2C | ||
|- | |||
|} | |} | ||