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Added PSP PKG support

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This commit is contained in:
Nekotekina 2015-08-06 02:59:41 +03:00
parent dd665e7363
commit 9923f96431
4 changed files with 89 additions and 82 deletions
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4
rpcs3/Crypto/key_vault.h
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@ -28,6 +28,10 @@ static u8 PKG_AES_KEY[0x10] = {
0x2e, 0x7b, 0x71, 0xd7, 0xc9, 0xc9, 0xa1, 0x4e, 0xa3, 0x22, 0x1f, 0x18, 0x88, 0x28, 0xb8, 0xf8
};
static u8 PKG_AES_KEY2[0x10] = {
0x07, 0xf2, 0xc6, 0x82, 0x90, 0xb5, 0x0d, 0x2c, 0x33, 0x81, 0x8d, 0x70, 0x9b, 0x60, 0xe6, 0x2b
};
static u8 NP_IDPS[0x10] = {
0x5E, 0x06, 0xE0, 0x4F, 0xD9, 0x4A, 0x71, 0xBF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01
};

154
rpcs3/Crypto/unpkg.cpp
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@ -45,7 +45,7 @@ bool CheckHeader(const fs::file& pkg_f, PKGHeader* m_header)
}
}
if (m_header->header_size != PKG_HEADER_SIZE)
if (m_header->header_size != PKG_HEADER_SIZE && m_header->header_size != PKG_HEADER_SIZE2)
{
LOG_ERROR(LOADER, "PKG: Wrong header size (0x%x)", m_header->header_size);
return false;
@ -53,13 +53,13 @@ bool CheckHeader(const fs::file& pkg_f, PKGHeader* m_header)
if (m_header->pkg_size != pkg_f.size())
{
LOG_ERROR(LOADER, "PKG: File size mismatch (pkg_size=0x%x)", m_header->pkg_size);
LOG_ERROR(LOADER, "PKG: File size mismatch (pkg_size=0x%llx)", m_header->pkg_size);
//return false;
}
if (m_header->data_size + m_header->data_offset + 0x60 != pkg_f.size())
if (m_header->data_size + m_header->data_offset > m_header->pkg_size)
{
LOG_ERROR(LOADER, "PKG: Data size mismatch (data_size=0x%x, offset=0x%x)", m_header->data_size, m_header->data_offset);
LOG_ERROR(LOADER, "PKG: Data size mismatch (data_size=0x%llx, data_offset=0x%llx, file_size=0x%llx)", m_header->data_size, m_header->data_offset, m_header->pkg_size);
//return false;
}
@ -82,40 +82,45 @@ bool LoadHeader(const fs::file& pkg_f, PKGHeader* m_header)
return true;
}
int Decrypt(const fs::file& pkg_f, const fs::file& dec_pkg_f, PKGHeader* m_header)
bool Decrypt(const fs::file& pkg_f, const fs::file& dec_pkg_f, PKGHeader* m_header, std::vector<PKGEntry>& entries)
{
if (!LoadHeader(pkg_f, m_header))
{
return -1;
return false;
}
aes_context c;
u8 iv[HASH_LEN];
u8 buf[BUF_SIZE];
u8 ctr[BUF_SIZE];
be_t<u64>& hi = (be_t<u64>&)iv[0];
be_t<u64>& lo = (be_t<u64>&)iv[8];
auto buf = std::make_unique<u8[]>(BUF_SIZE);
auto ctr = std::make_unique<u8[]>(BUF_SIZE);
dec_pkg_f.trunc(pkg_f.size());
// Debug key
u8 key[0x40];
memset(key, 0, 0x40);
u8 key[0x40] = {};
memcpy(key+0x00, &m_header->qa_digest[0], 8); // &data[0x60]
memcpy(key+0x08, &m_header->qa_digest[0], 8); // &data[0x60]
memcpy(key+0x10, &m_header->qa_digest[8], 8); // &data[0x68]
memcpy(key+0x18, &m_header->qa_digest[8], 8); // &data[0x68]
pkg_f.seek(m_header->data_offset);
u32 parts = (m_header->data_size + BUF_SIZE - 1) / BUF_SIZE;
wxProgressDialog pdlg("PKG Decrypter / Installer", "Please wait, decrypting...", parts, 0, wxPD_AUTO_HIDE | wxPD_APP_MODAL);
memcpy(iv, m_header->klicensee, sizeof(iv));
aes_setkey_enc(&c, PKG_AES_KEY, 128);
for (u32 i = 0; i < parts; i++)
auto decrypt = [&](std::size_t offset, std::size_t size, bool psp)
{
memset(buf, 0, sizeof(buf));
u32 length = pkg_f.read(buf, BUF_SIZE);
u32 bits = (length + HASH_LEN - 1) / HASH_LEN;
if (size > BUF_SIZE)
{
buf = std::make_unique<u8[]>(size);
ctr = std::make_unique<u8[]>(size);
}
std::memset(buf.get(), 0, size);
pkg_f.seek(m_header->data_offset + offset);
size = pkg_f.read(buf.get(), size);
const u32 bits = (size + HASH_LEN - 1) / HASH_LEN;
if (m_header->pkg_type == PKG_RELEASE_TYPE_DEBUG)
{
for (u32 j = 0; j < bits; j++)
@ -130,54 +135,64 @@ int Decrypt(const fs::file& pkg_f, const fs::file& dec_pkg_f, PKGHeader* m_heade
if (m_header->pkg_type == PKG_RELEASE_TYPE_RELEASE)
{
aes_setkey_enc(&c, psp ? PKG_AES_KEY2 : PKG_AES_KEY, 128);
memcpy(iv, m_header->klicensee, sizeof(iv));
if (lo + offset / HASH_LEN < lo) hi++;
lo += offset / HASH_LEN;
for (u32 j = 0; j < bits; j++)
{
aes_crypt_ecb(&c, AES_ENCRYPT, iv, ctr + j * HASH_LEN);
aes_crypt_ecb(&c, AES_ENCRYPT, iv, ctr.get() + j * HASH_LEN);
be_t<u64> hi = *(be_t<u64>*)&iv[0];
be_t<u64> lo = *(be_t<u64>*)&iv[8];
lo++;
if (lo == 0)
hi += 1;
*(be_t<u64>*)&iv[0] = hi;
*(be_t<u64>*)&iv[8] = lo;
if (!++lo)
{
hi++;
}
}
for (u32 j = 0; j < length; j++)
for (u32 j = 0; j < size; j++)
{
buf[j] ^= ctr[j];
}
}
dec_pkg_f.write(buf, length);
pdlg.Update(i);
}
pdlg.Update(parts);
return 0;
}
}
// Unpacking.
bool LoadEntries(const fs::file& dec_pkg_f, PKGHeader* m_header, PKGEntry* m_entries)
{
dec_pkg_f.seek(offset);
dec_pkg_f.write(buf.get(), size);
};
wxProgressDialog pdlg("PKG Decrypter / Installer", "Please wait, decrypting...", m_header->file_count, 0, wxPD_AUTO_HIDE | wxPD_APP_MODAL);
decrypt(0, m_header->file_count * sizeof(PKGEntry), m_header->pkg_platform == PKG_PLATFORM_TYPE_PSP);
entries.resize(m_header->file_count);
dec_pkg_f.seek(0);
dec_pkg_f.read(m_entries, sizeof(PKGEntry) * m_header->file_count);
dec_pkg_f.read(entries.data(), m_header->file_count * sizeof(PKGEntry));
if (m_entries->name_offset / sizeof(PKGEntry) != m_header->file_count)
for (s32 i = 0; i < entries.size(); i++)
{
LOG_ERROR(LOADER, "PKG: Entries are damaged!");
return false;
const bool is_psp = (entries[i].type & PKG_FILE_ENTRY_PSP) != 0;
decrypt(entries[i].name_offset, entries[i].name_size, is_psp);
for (u64 j = 0; j < entries[i].file_size; j += BUF_SIZE)
{
decrypt(entries[i].file_offset + j, std::min<u64>(entries[i].file_size - j, BUF_SIZE), is_psp);
}
pdlg.Update(i + 1);
}
return true;
}
// Unpacking.
bool UnpackEntry(const fs::file& dec_pkg_f, const PKGEntry& entry, std::string dir)
{
char buf[BUF_SIZE];
auto buf = std::make_unique<char[]>(BUF_SIZE);
dec_pkg_f.seek(entry.name_offset);
dec_pkg_f.read(buf, entry.name_size);
dec_pkg_f.read(buf.get(), entry.name_size);
buf[entry.name_size] = 0;
switch (entry.type & 0xff)
@ -186,8 +201,9 @@ bool UnpackEntry(const fs::file& dec_pkg_f, const PKGEntry& entry, std::string d
case PKG_FILE_ENTRY_NPDRMEDAT:
case PKG_FILE_ENTRY_SDAT:
case PKG_FILE_ENTRY_REGULAR:
case PKG_FILE_ENTRY_UNK1:
{
const std::string path = dir + std::string(buf, entry.name_size);
const std::string path = dir + std::string(buf.get(), entry.name_size);
if (fs::is_file(path))
{
@ -200,18 +216,12 @@ bool UnpackEntry(const fs::file& dec_pkg_f, const PKGEntry& entry, std::string d
{
dec_pkg_f.seek(entry.file_offset);
for (u64 size = 0; size < entry.file_size;)
for (u64 i = 0; i < entry.file_size; i += BUF_SIZE)
{
size += dec_pkg_f.read(buf, BUF_SIZE);
const u64 size = std::min<u64>(BUF_SIZE, entry.file_size - i);
if (size > entry.file_size)
{
out.write(buf, BUF_SIZE - (size - entry.file_size));
}
else
{
out.write(buf, BUF_SIZE);
}
dec_pkg_f.read(buf.get(), size);
out.write(buf.get(), size);
}
return true;
@ -225,7 +235,7 @@ bool UnpackEntry(const fs::file& dec_pkg_f, const PKGEntry& entry, std::string d
case PKG_FILE_ENTRY_FOLDER:
{
const std::string path = dir + std::string(buf, entry.name_size);
const std::string path = dir + std::string(buf.get(), entry.name_size);
if (!fs::is_dir(path) && !fs::create_dir(path))
{
@ -244,7 +254,7 @@ bool UnpackEntry(const fs::file& dec_pkg_f, const PKGEntry& entry, std::string d
}
}
int Unpack(const fs::file& pkg_f, std::string src, std::string dst)
bool Unpack(const fs::file& pkg_f, std::string src, std::string dst)
{
PKGHeader* m_header = (PKGHeader*) malloc (sizeof(PKGHeader));
@ -253,21 +263,11 @@ int Unpack(const fs::file& pkg_f, std::string src, std::string dst)
fs::file dec_pkg_f(decryptedFile, o_read | o_write | o_create | o_trunc);
if (Decrypt(pkg_f, dec_pkg_f, m_header) < 0)
{
return -1;
}
dec_pkg_f.seek(0);
std::vector<PKGEntry> m_entries;
m_entries.resize(m_header->file_count);
auto m_entries_ptr = m_entries.data();
if (!LoadEntries(dec_pkg_f, m_header, m_entries_ptr))
if (!Decrypt(pkg_f, dec_pkg_f, m_header, m_entries))
{
return -1;
return false;
}
wxProgressDialog pdlg("PKG Decrypter / Installer", "Please wait, unpacking...", m_entries.size(), 0, wxPD_AUTO_HIDE | wxPD_APP_MODAL);
@ -283,5 +283,5 @@ int Unpack(const fs::file& pkg_f, std::string src, std::string dst)
dec_pkg_f.close();
fs::remove_file(decryptedFile);
return 0;
return true;
}

11
rpcs3/Crypto/unpkg.h
View File

@ -3,9 +3,10 @@
// Constants
enum
{
HASH_LEN = 16,
BUF_SIZE = 4096,
PKG_HEADER_SIZE = 0xC0, //sizeof(pkg_header) + sizeof(pkg_unk_checksum)
HASH_LEN = 16,
BUF_SIZE = 8192 * 1024,
PKG_HEADER_SIZE = 0xC0, //sizeof(pkg_header) + sizeof(pkg_unk_checksum)
PKG_HEADER_SIZE2 = 0x280,
};
enum : u16
@ -23,9 +24,11 @@ enum : u32
PKG_FILE_ENTRY_NPDRMEDAT = 2,
PKG_FILE_ENTRY_REGULAR = 3,
PKG_FILE_ENTRY_FOLDER = 4,
PKG_FILE_ENTRY_UNK1 = 6,
PKG_FILE_ENTRY_SDAT = 9,
PKG_FILE_ENTRY_OVERWRITE = 0x80000000,
PKG_FILE_ENTRY_PSP = 0x10000000,
};
// Structs
@ -58,4 +61,4 @@ struct PKGEntry
namespace fs { struct file; }
int Unpack(const fs::file& dec_pkg_f, std::string src, std::string dst);
bool Unpack(const fs::file& dec_pkg_f, std::string src, std::string dst);

2
rpcs3/Loader/PKG.cpp
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@ -35,7 +35,7 @@ bool PKGLoader::Install(const fs::file& pkg_f, std::string dest)
}
// Decrypt and unpack the PKG file.
if (Unpack(pkg_f, titleID, dest) < 0)
if (!Unpack(pkg_f, titleID, dest))
{
LOG_ERROR(LOADER, "PKG Loader: Failed to install package!");
return false;