Editing Registry.db0

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registry.db0 is located in os0:kd/registry.db0. It has all the default values of the registry for every model of the PSVita.
registry.db0 is located in os0:kd/registry.db0, it is
XOR "Encrypted" with "Key" 89FA9548CB6D779DA22534FDA935596E


= Decryption =
registry.db0 has all the default values of the registry for every model of the vita.


It is XOR "Encrypted" with "Key" 89FA9548CB6D779DA22534FDA935596E.
it has a plaintext header at the start of the file that looks like this:
 
= Tools =
 
You can decrypt and encrypt registry.db0 using the following software:
https://bitbucket.org/SilicaAndPina/registrydb0-tools/
or
http://paste.ubuntu.com/25276789/
 
= Structure =
 
== Header ==
 
It has a plaintext header at the start of the file that looks like this:


     ;# SCE CONFIDENTIAL
     ;# SCE CONFIDENTIAL
Line 24: Line 12:
     ;# 00357004 (2015/11/01 21:32)
     ;# 00357004 (2015/11/01 21:32)
     ;#  
     ;#  


(From 3.60 firmware)
(From 3.60 firmware)


== Body ==
Once decrypted it looks like this:


Once decrypted it looks like this:


     ;# SCE CONFIDENTIAL
     ;# SCE CONFIDENTIAL
Line 1,129: Line 1,117:
     [REG-TOL_D
     [REG-TOL_D
     /11/112/113=0:4:1:8224:0:0:30:30:0:0:0:0:1:1:1:0:
     /11/112/113=0:4:1:8224:0:0:30:30:0:0:0:0:1:1:1:0:


It is separated into various categorys, indicated by a [
It is separated into various categorys, indicated by a [
Line 1,135: Line 1,124:
these are defined in [BASE category.
these are defined in [BASE category.


For example, we take a look at the flight mode registry key:
for example, we take a look at the flight mode registry key:
which looks like this
which looks like this


/11/12/13=0:4:1:32:0:0:30:30:0:0:0:0:1:1:1:0:
/11/12/13=0:4:1:32:0:0:30:30:0:0:0:0:1:1:1:0:


i know this much:


CONFIG/ = 11
CONFIG/ = 11
Line 1,145: Line 1,135:
flight_mode = 13
flight_mode = 13


therefor
therefor  
/11/12/13 = /CONFIG/SYSTEM/flight_mode
/11/12/13 = /CONFIG/SYSTEM/flight_mode


Line 1,154: Line 1,144:
0:4:1:32:0:0:30:30:0:0:0:0:1:1:1:0:
0:4:1:32:0:0:30:30:0:0:0:0:1:1:1:0:


the last value is the default value for this key.
all i know is that the last value is the default value for this key.
 
you can decrypt and encrypt registry.db0 using the following software:
[https://github.com/SilicaAndPina/registrydb0-tools]
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