Editing Bootloader

On the vita there are several bootloaders (stage bootloaders).

One (or probably 2 stages boot) is used to boot to the TEE (Secure world) and one to load the kernel in the normal world.

= SLB2 Image =

SLB2 is the format used to store the encrypted bootloaders on the device.

== ENC Files ==

{| class="wikitable"
|-
! Offset !! Size !! Description
|-
| 0x0 || 0x4 || <code>0x64B2C8E5</code> magic
|-
| 0x4 || 0x4 || Offset to data
|-
| 0x8 || 0x4 || Unknown
|-
| 0xC || 0x4 || Unknown/Zero
|-
| 0x10 || 0x4 || Data size
|-
| 0x14 || 0xC || Unknown
|-
| 0x20 || 0x20 || Hash ?
|-
| 0x40 || 0x10 || Version in ASCII
|-
| 0x50 || 0x90 || Zero
|-
| 0xE0 || Until Data || Encrypted Header
|-
|}

The last 0x340 bytes is a footer that likely contains a signed MAC of the plaintext data.