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Implement 3DS region auto-detect

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wheremyfoodat 2023-08-13 18:08:22 +03:00
parent b896d9a4aa
commit 408dbe75a0
6 changed files with 84 additions and 0 deletions
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6
include/loader/ncch.hpp
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@ -5,6 +5,7 @@
#include "io_file.hpp"
#include "helpers.hpp"
#include "crypto/aes_engine.hpp"
#include "services/region_codes.hpp"
struct NCCH {
struct EncryptionInfo {
@ -60,6 +61,8 @@ struct NCCH {
std::vector<u8> codeFile;
// Contains of the cart's save data
std::vector<u8> saveData;
// The cart region. Only the CXI's region matters to us. Necessary to get past region locking
std::optional<Regions> region = std::nullopt;
// Returns true on success, false on failure
// Partition index/offset/size must have been set before this
@ -71,6 +74,9 @@ struct NCCH {
bool hasCode() { return codeFile.size() != 0; }
bool hasSaveData() { return saveData.size() != 0; }
// Parse SMDH for region info and such. Returns false on failure, true on success
bool parseSMDH(const std::vector<u8>& smdh);
std::pair<bool, Crypto::AESKey> getPrimaryKey(Crypto::AESEngine &aesEngine, const Crypto::AESKey &keyY);
std::pair<bool, Crypto::AESKey> getSecondaryKey(Crypto::AESEngine &aesEngine, const Crypto::AESKey &keyY);