Public-Mirror/GARbro-mirror
1
0
Fork 0
mirror of https://github.com/crskycode/GARbro.git synced 2024-11-23 13:45:34 +08:00
Code Issues Projects Releases Wiki Activity

(SmileCrypt): added constructor parameters.

Browse Source
This commit is contained in:
morkt 2017-12-29 01:21:28 +04:00
parent 1550b868f4
commit f0c6748c74
1 changed files with 14 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
ArcFormats/KiriKiri/CryptAlgorithms.cs
View File

@ -931,16 +931,27 @@ namespace GameRes.Formats.KiriKiri
[Serializable]
public class SmileCrypt : ICrypt
{
readonly uint m_key_xor;
readonly byte m_first_xor;
readonly byte m_zero_xor;
public SmileCrypt (uint key_xor, byte first_xor, byte zero_xor)
{
m_key_xor = key_xor;
m_first_xor = first_xor;
m_zero_xor = zero_xor;
}
public override void Decrypt (Xp3Entry entry, long offset, byte[] values, int pos, int count)
{
uint hash = entry.Hash ^ 0xD0F0BA7B;
uint hash = entry.Hash ^ m_key_xor;
byte key = (byte)(hash ^ (hash >> 8) ^ (hash >> 16) ^ (hash >> 24));
if (0 == key)
key = 0x5E;
key = m_zero_xor;
if (0 == offset && count > 0)
{
if (0 == (hash & 0xFF))
hash = 0x7B;
hash = m_first_xor;
values[pos] ^= (byte)hash;
}
for (int i = 0; i < count; ++i)