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Revised NCCH Padgen feature

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This commit is contained in:
d0k3
2016-01-05 19:16:50 +01:00
parent 88547d36bb
commit daba45baad
1 changed files with 12 additions and 15 deletions
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source/decryptor/game.c
+12 -15
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@@ -203,7 +203,7 @@ u32 NcchPadgen(u32 param)
FileClose();
setup_aeskeyX(0x25, slot0x25KeyX);
} else {
Debug("7.x game decryption will fail on less than 7.x!");
Debug("7.x game decryption will fail on less than 7.x");
}
if (DebugFileOpen("seeddb.bin")) {
@@ -213,7 +213,7 @@ u32 NcchPadgen(u32 param)
}
if (!seedinfo->n_entries || seedinfo->n_entries > MAX_ENTRIES) {
FileClose();
Debug("Too many/few seeddb entries.");
Debug("Bad number of seeddb entries");
return 1;
}
if (!DebugFileRead(seedinfo->entries, seedinfo->n_entries * sizeof(SeedInfoEntry), 16)) {
@@ -222,7 +222,7 @@ u32 NcchPadgen(u32 param)
}
FileClose();
} else {
Debug("9.x seed crypto game decryption will fail!");
Debug("9.x seed crypto game decryption will fail");
}
if (!DebugFileOpen("ncchinfo.bin"))
@@ -233,7 +233,7 @@ u32 NcchPadgen(u32 param)
}
if (!info->n_entries || info->n_entries > MAX_ENTRIES) {
FileClose();
Debug("Too many/few entries in ncchinfo.bin");
Debug("Bad number of entries in ncchinfo.bin");
return 1;
}
if (info->ncch_info_version == 0xF0000004) { // ncchinfo v4
@@ -270,13 +270,13 @@ u32 NcchPadgen(u32 param)
if (memcmp(filename, "sdmc:", 5) == 0) // fix sdmc: prefix
memmove(filename, filename + 5, 112 - 5);
}
for (u32 i = 0; i < info->n_entries; i++) {
Debug("Creating pad number: %i. Size (MB): %i", i+1, info->entries[i].size_mb);
PadInfo padInfo = {.setKeyY = 1, .size_mb = info->entries[i].size_mb, .mode = AES_CNT_CTRNAND_MODE};
memcpy(padInfo.ctr, info->entries[i].ctr, 16);
memcpy(padInfo.filename, info->entries[i].filename, 112);
Debug ("%2i: %s (%iMB)", i, info->entries[i].filename, info->entries[i].size_mb);
if (info->entries[i].usesSeedCrypto) {
u8 keydata[32];
memcpy(keydata, info->entries[i].keyY, 16);
@@ -304,12 +304,12 @@ u32 NcchPadgen(u32 param)
if (info->entries[i].uses7xCrypto == 0xA) {
if (GetUnitPlatform() == PLATFORM_3DS) { // won't work on an Old 3DS
Debug("This can only be generated on N3DS!");
Debug("This can only be generated on N3DS");
return 1;
}
padInfo.keyslot = 0x18;
} else if (info->entries[i].uses7xCrypto == 0xB) {
Debug("Secure4 xorpad cannot be generated yet!");
Debug("Secure4 xorpad cannot be generated yet");
return 1;
} else if(info->entries[i].uses7xCrypto >> 8 == 0xDEC0DE) // magic value to manually specify keyslot
padInfo.keyslot = info->entries[i].uses7xCrypto & 0x3F;
@@ -318,12 +318,9 @@ u32 NcchPadgen(u32 param)
else
padInfo.keyslot = 0x2C;
Debug("Using keyslot: %02X", padInfo.keyslot);
result = CreatePad(&padInfo);
if (!result)
Debug("Done!");
else
return 1;
if (CreatePad(&padInfo) != 0)
return 1; // this can't fail anyways
}
return 0;