Function CheckDebugSelf

rpcs3/Crypto/unself.cpp:1319–1357

}

static fs::file CheckDebugSelf(const fs::file& s)
{
	if (s.size() < 0x18)
	{
		return {};
	}

	// Get the key version.
	s.seek(0x08);

	const u16 key_version = s.read<le_t<u16>>();

	// Check for DEBUG version.
	if (key_version == 0x80 || key_version == 0xc0)
	{
		self_log.warning("Debug SELF detected! Removing fake header...");

		// Get the real elf offset.
		s.seek(0x10);

		// Start at the real elf offset.
		s.seek(key_version == 0x80 ? +s.read<be_t<u64>>() : +s.read<le_t<u64>>());

		// Write the real ELF file back.
		fs::file e = fs::make_stream<std::vector<u8>>();

		// Copy the data.
		char buf[2048];
		while (const u64 size = s.read(buf, 2048))
		{
			e.write(buf, size);
		}

		return e;
	}

	// Leave the file untouched.
	return {};
}

fs::file decrypt_self(const fs::file& elf_or_self, const u8* klic_key, SelfAdditionalInfo* out_info)
{