partition_data_manager: Eliminate magic value

We can use sizeof to make it obvious at the call site where the value is
coming from.
This commit is contained in:
Lioncash 2020-08-06 02:34:08 -04:00
parent 09f884b7bd
commit 04bb47f57f

View File

@ -349,8 +349,8 @@ static bool AttemptDecrypt(const std::array<u8, 16>& key, Package2Header& header
Package2Header temp = header;
AESCipher<Key128> cipher(key, Mode::CTR);
cipher.SetIV(header.header_ctr);
cipher.Transcode(&temp.header_ctr, sizeof(Package2Header) - 0x100, &temp.header_ctr,
Op::Decrypt);
cipher.Transcode(&temp.header_ctr, sizeof(Package2Header) - sizeof(Package2Header::signature),
&temp.header_ctr, Op::Decrypt);
if (temp.magic == Common::MakeMagic('P', 'K', '2', '1')) {
header = temp;
return true;