AMPXI:VerifyDSiWareFooter: Difference between revisions

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Created page with "=Request= {| class="wikitable" border="1" |- ! Index Word ! Description |- | 0 | Header code [0x004301C8] |- | 1 | TWL TitleID lower word, from the header. ..."
 
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| 3
| 3
| Data buffer size
| Data buffer size. When the running NATIVE_FIRM only supports [[DSiWare_Exports|DSiWare]] exports format v1, the max size for this is 0xC0, otherwise the max size is 0x1C0.
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| 4
| 4
| ECDSA signature buffer size
| ECDSA signature buffer size, must be 0x3C.
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| 5
| 5
| [[CTCert]] buffer size
| [[CTCert]] buffer size, must be 0x180.
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| 6
| 6
| APCert buffer size
| APCert buffer size, must be 0x180.
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| 7
| 7

Revision as of 18:56, 25 April 2013

Request

Index Word Description
0 Header code [0x004301C8]
1 TWL TitleID lower word, from the header.
2 TWL TitleID upper word, from the header.
3 Data buffer size. When the running NATIVE_FIRM only supports DSiWare exports format v1, the max size for this is 0xC0, otherwise the max size is 0x1C0.
4 ECDSA signature buffer size, must be 0x3C.
5 CTCert buffer size, must be 0x180.
6 APCert buffer size, must be 0x180.
7 u8 DSiWare export section index
8 (DataBufSize<<8) | 0x4
9 DataBuf ptr, this buffer contains the hashes from the footer.
10 (SigBufSize<<8) | 0x14
11 ECDSA signature ptr, this signs the above data-buffer.
12 (CTCertSize<<8) | 0x24
13 CTCert buffer ptr, from the footer.
14 (APCertSize<<8) | 0x34
15 APCert buffer ptr, from the footer.

Response

Index Word Description
0 Header code
1 Result code

Description

This verifies the ECDSA signature and certificates from the DSiWare export footer.