Function decrypt_self

rpcs3/Crypto/unself.cpp:1359–1414

}

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

	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)
	{
		if (fs::file res = CheckDebugSelf(elf_or_self))
		{
			// TODO: Decrypt
			return res;
		}

		// Check the ELF file class (32 or 64 bit).
		const 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, out_info))
		{
			self_log.error("Failed to load SELF file headers!");
			return fs::file{};
		}

		// Load and decrypt the SELF file metadata.
		if (!self_dec.LoadMetadata(klic_key))
		{
			(klic_key ? self_log.notice : self_log.error)("Failed to load SELF file metadata!");
			return fs::file{};
		}

		// Decrypt the SELF file data.
		if (!self_dec.DecryptData())
		{
			(klic_key ? self_log.notice : self_log.error)("Failed to decrypt SELF file data!");
			return fs::file{};
		}

		// Make a new ELF file from this SELF.
		return self_dec.MakeElf(isElf32);
	}

	return {};
}

bool verify_npdrm_self_headers(const fs::file& self, u8* klic_key, NPD_HEADER* npd_out)