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WIA: Decrypt Wii data when writing

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This commit is contained in:
JosJuice
2020-04-14 11:40:32 +02:00
parent 115edea34e
commit 3b8c44fd0e
4 changed files with 350 additions and 63 deletions
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47
Source/Core/DiscIO/WIABlob.h
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@ -22,6 +22,8 @@
namespace DiscIO
{
class VolumeDisc;
constexpr u32 WIA_MAGIC = 0x01414957; // "WIA\x1" (byteswapped to little endian)
class WIAFileReader : public BlobReader
@ -53,8 +55,9 @@ public:
InternalError,
};
static ConversionResult ConvertToWIA(BlobReader* infile, File::IOFile* outfile, int chunk_size,
CompressCB callback, void* arg);
static ConversionResult ConvertToWIA(BlobReader* infile, const VolumeDisc* infile_volume,
File::IOFile* outfile, int chunk_size, CompressCB callback,
void* arg);
private:
using SHA1 = std::array<u8, 20>;
@ -159,6 +162,20 @@ private:
static_assert(sizeof(PurgeSegment) == 0x08, "Wrong size for WIA purge segment");
#pragma pack(pop)
struct DataEntry
{
u32 index;
bool is_partition;
u8 partition_data_index;
DataEntry(size_t index_) : index(static_cast<u32>(index_)), is_partition(false) {}
DataEntry(size_t index_, size_t partition_data_index_)
: index(static_cast<u32>(index_)), is_partition(true),
partition_data_index(static_cast<u8>(partition_data_index_))
{
}
};
struct DecompressionBuffer
{
std::vector<u8> data;
@ -288,6 +305,18 @@ private:
static std::string VersionToString(u32 version);
static bool PadTo4(File::IOFile* file, u64* bytes_written);
static void AddRawDataEntry(u64 offset, u64 size, int chunk_size, u32* total_groups,
std::vector<RawDataEntry>* raw_data_entries,
std::vector<DataEntry>* data_entries);
static PartitionDataEntry
CreatePartitionDataEntry(u64 offset, u64 size, u32 index, int chunk_size, u32* total_groups,
const std::vector<PartitionEntry>& partition_entries,
std::vector<DataEntry>* data_entries);
static ConversionResult SetUpDataEntriesForWriting(const VolumeDisc* volume, int chunk_size,
u64 iso_size, u32* total_groups,
std::vector<PartitionEntry>* partition_entries,
std::vector<RawDataEntry>* raw_data_entries,
std::vector<DataEntry>* data_entries);
bool m_valid;
CompressionType m_compression_type;
@ -303,20 +332,6 @@ private:
std::vector<RawDataEntry> m_raw_data_entries;
std::vector<GroupEntry> m_group_entries;
struct DataEntry
{
u32 index;
bool is_partition;
u8 partition_data_index;
DataEntry(size_t index_) : index(static_cast<u32>(index_)), is_partition(false) {}
DataEntry(size_t index_, size_t partition_data_index_)
: index(static_cast<u32>(index_)), is_partition(true),
partition_data_index(static_cast<u8>(partition_data_index_))
{
}
};
std::map<u64, DataEntry> m_data_entries;
static constexpr u32 WIA_VERSION = 0x01000000;