Difference between revisions of "FSPXI:ImportIntegrityVerificationSeed"
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| Line 6: | Line 6: | ||
|- | |- | ||
| 0 | | 0 | ||
| − | | Header code [ | + | | Header code [0x00450002] |
|- | |- | ||
| 1 | | 1 | ||
| − | | Always | + | | Always 0x00013006, for 0x130 size: (size<<8) <nowiki>|</nowiki> 6 |
|- | |- | ||
| 2 | | 2 | ||
| − | | | + | | Input IntegrityVerificationSeed pointer |
|} | |} | ||
| Line 26: | Line 26: | ||
| 1 | | 1 | ||
| Result code | | Result code | ||
| + | |} | ||
| + | |||
| + | =IntegrityVerificationSeed= | ||
| + | {| class="wikitable" border="1" | ||
| + | |- | ||
| + | ! Offset | ||
| + | ! Size | ||
| + | ! Description | ||
| + | |- | ||
| + | | 0x0 | ||
| + | | 0x10 | ||
| + | | AES-CBC MAC over a SHA256 hash, which hashes the first 0x110-bytes of the cleartext SEED. | ||
| + | |- | ||
| + | | 0x10 | ||
| + | | 0x120 | ||
| + | | The [[nand/private/movable.sed]], encrypted with AES-CBC using the above MAC for the counter. | ||
|} | |} | ||
=Description= | =Description= | ||
| − | This | + | This decrypts the input SEED and verifies it with the input AES-CBC MAC, verifies the RSA-signature, then writes the data to [[nand/private/movable.sed]]. |
Latest revision as of 12:31, 28 July 2020
Request[edit]
| Index Word | Description |
|---|---|
| 0 | Header code [0x00450002] |
| 1 | Always 0x00013006, for 0x130 size: (size<<8) | 6 |
| 2 | Input IntegrityVerificationSeed pointer |
Response[edit]
| Index Word | Description |
|---|---|
| 0 | Header code |
| 1 | Result code |
IntegrityVerificationSeed[edit]
| Offset | Size | Description |
|---|---|---|
| 0x0 | 0x10 | AES-CBC MAC over a SHA256 hash, which hashes the first 0x110-bytes of the cleartext SEED. |
| 0x10 | 0x120 | The nand/private/movable.sed, encrypted with AES-CBC using the above MAC for the counter. |
Description[edit]
This decrypts the input SEED and verifies it with the input AES-CBC MAC, verifies the RSA-signature, then writes the data to nand/private/movable.sed.