Secure Loader: Difference between revisions
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| Line 13: | Line 13: | ||
| 0x8 || 4 || Entry Point || Little Endian (0x100) | | 0x8 || 4 || Entry Point || Little Endian (0x100) | ||
|- | |- | ||
| 0xC || 4 || Payload Size || Little Endian | | 0xC || 4 || Payload Size || Little Endian (e.g 0x1E420) | ||
|- | |- | ||
| 0x10 || 0x10 || Padding || Zeroes | | 0x10 || 0x10 || Padding || Zeroes | ||
| Line 25: | Line 25: | ||
| 0x180 || 0x100 || RSA Signature || | | 0x180 || 0x100 || RSA Signature || | ||
|- | |- | ||
| 0x280 || | | 0x280 || 0x1E420 || Payload || | ||
|- | |- | ||
| | | 0x1E6A0 || 0x100 || Footer RSA Signature || | ||
|- | |- | ||
|} | |} | ||
Revision as of 11:25, 27 October 2020
SAMU IPL, codenamed as 80000001, is the main loader of the Secure Kernel (80010001)
The header contained in it contains the following information:
Header Info
| Offset | Size | Description | Notes |
|---|---|---|---|
| 0x0 | 4 | Magic | 5E D7 9A 0B |
| 0x4 | 4 | Header Size | Little Endian (0x280) |
| 0x8 | 4 | Entry Point | Little Endian (0x100) |
| 0xC | 4 | Payload Size | Little Endian (e.g 0x1E420) |
| 0x10 | 0x10 | Padding | Zeroes |
| 0x20 | 0x20 | SHA256 of the decrypted payload | |
| 0x40 | 0x100 | Padding | Ascii Zeroes |
| 0x140 | 0x40 | Metadata | |
| 0x180 | 0x100 | RSA Signature | |
| 0x280 | 0x1E420 | Payload | |
| 0x1E6A0 | 0x100 | Footer RSA Signature |