extern bool verify_npdrm_self_headers(const fs::file& self, u8* klic_key)
{
if (!self)
return false;
self.seek(0);
if (self.size() >= 4 && self.read<u32>() == "SCE\0"_u32)
{
// Check the ELF file class (32 or 64 bit).
bool isElf32 = IsSelfElf32(self);
// Start the decrypter on this SELF file.
SELFDecrypter self_dec(self);
// Load the SELF file headers.
if (!self_dec.LoadHeaders(isElf32))
{
LOG_ERROR(LOADER, "SELF: Failed to load SELF file headers!");
return false;
}
// Load and decrypt the SELF file metadata.
if (!self_dec.LoadMetadata(klic_key))
{
LOG_ERROR(LOADER, "SELF: Failed to load SELF file metadata!");
return false;
}
}
return true;
}
bool DecryptSelf(const std::string& elf, const std::string& self)
{
LOG_NOTICE(LOADER, "Decrypting %s", self);
// Check for a debug SELF first.
if (!CheckDebugSelf(self, elf))
{
// Set a virtual pointer to the SELF file.
fs::file self_vf(self);
if (!self_vf)
return false;
// Check the ELF file class (32 or 64 bit).
bool isElf32 = IsSelfElf32(self);
// Start the decrypter on this SELF file.
SELFDecrypter self_dec(self_vf);
// Load the SELF file headers.
if (!self_dec.LoadHeaders(isElf32))
{
LOG_ERROR(LOADER, "SELF: Failed to load SELF file headers!");
return false;
}
// Load and decrypt the SELF file metadata.
if (!self_dec.LoadMetadata())
{
LOG_ERROR(LOADER, "SELF: Failed to load SELF file metadata!");
return false;
}
// Decrypt the SELF file data.
if (!self_dec.DecryptData())
{
LOG_ERROR(LOADER, "SELF: Failed to decrypt SELF file data!");
return false;
}
// Make a new ELF file from this SELF.
if (!self_dec.MakeElf(elf, isElf32))
{
LOG_ERROR(LOADER, "SELF: Failed to make ELF file from SELF!");
return false;
}
}
return true;
}
bool DecryptSelf(const std::string& elf, const std::string& self)
{
// Check for a debug SELF first.
if (!CheckDebugSelf(self, elf))
{
// Set a virtual pointer to the SELF file.
vfsLocalFile self_vf(nullptr);
if (!self_vf.Open(self))
return false;
// Check the ELF file class (32 or 64 bit).
bool isElf32 = IsSelfElf32(self);
// Start the decrypter on this SELF file.
SELFDecrypter self_dec(self_vf);
// Load the SELF file headers.
if (!self_dec.LoadHeaders(isElf32))
{
ConLog.Error("SELF: Failed to load SELF file headers!");
return false;
}
// Load and decrypt the SELF file metadata.
if (!self_dec.LoadMetadata())
{
ConLog.Error("SELF: Failed to load SELF file metadata!");
return false;
}
// Decrypt the SELF file data.
if (!self_dec.DecryptData())
{
ConLog.Error("SELF: Failed to decrypt SELF file data!");
return false;
}
// Make a new ELF file from this SELF.
if (!self_dec.MakeElf(elf, isElf32))
{
ConLog.Error("SELF: Failed to make ELF file from SELF!");
return false;
}
}
return true;
}
extern fs::file decrypt_self(fs::file elf_or_self, u8* klic_key)
{
if (!elf_or_self)
{
return fs::file{};
}
elf_or_self.seek(0);
// Check SELF header first. Check for a debug SELF.
if (elf_or_self.size() >= 4 && elf_or_self.read<u32>() == "SCE\0"_u32 && !CheckDebugSelf(elf_or_self))
{
// Check the ELF file class (32 or 64 bit).
bool isElf32 = IsSelfElf32(elf_or_self);
// Start the decrypter on this SELF file.
SELFDecrypter self_dec(elf_or_self);
// Load the SELF file headers.
if (!self_dec.LoadHeaders(isElf32))
{
LOG_ERROR(LOADER, "SELF: Failed to load SELF file headers!");
return fs::file{};
}
// Load and decrypt the SELF file metadata.
if (!self_dec.LoadMetadata(klic_key))
{
LOG_ERROR(LOADER, "SELF: Failed to load SELF file metadata!");
return fs::file{};
}
// Decrypt the SELF file data.
if (!self_dec.DecryptData())
{
LOG_ERROR(LOADER, "SELF: Failed to decrypt SELF file data!");
return fs::file{};
}
// Make a new ELF file from this SELF.
return self_dec.MakeElf(isElf32);
}
return elf_or_self;
}