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/*using System; | ||
using System.Collections.Generic; | ||
using System.IO; | ||
using System.Linq; | ||
using System.Runtime.InteropServices; | ||
using System.Text; | ||
using System.Threading.Tasks; | ||
using System.Windows.Forms; | ||
namespace CHOVY | ||
{ | ||
class KIRK | ||
{ | ||
public MemoryStream kirk_buf = new MemoryStream(); // 1DC0 1DD4 | ||
public unsafe struct MAC_KEY | ||
{ | ||
public int type; | ||
public byte[] key; | ||
public byte[] pad; | ||
//public fixed byte key[0xF]; | ||
//public fixed byte pad[0xF]; | ||
public int pad_size; | ||
} | ||
public static int sceDrmBBMacInit(MAC_KEY mkey, int type) | ||
{ | ||
mkey.type = type; | ||
mkey.pad_size = 0; | ||
mkey.key = new byte[0xF]; | ||
mkey.pad = new byte[0xF]; | ||
return 0; | ||
} | ||
int sceDrmBBMacUpdate(MAC_KEY mkey, Stream buf, int size) | ||
{ | ||
int retv = 0; | ||
int ksize; | ||
int p; | ||
int type; | ||
kirk_buf.SetLength(0x0814); | ||
if (mkey.pad_size + size <= 16) | ||
{ | ||
buf.Write(mkey.pad, 0x00, mkey.pad_size); | ||
buf.Seek(mkey.pad_size / -1, SeekOrigin.Current); | ||
mkey.pad_size += size; | ||
retv = 0; | ||
} | ||
else | ||
{ | ||
//kbuf = kirk_buf + 0x14; | ||
kirk_buf.Seek(0x14, SeekOrigin.Begin); | ||
// copy pad data first | ||
kirk_buf.Write(mkey.pad, 0x0, mkey.pad_size); | ||
kirk_buf.Seek(mkey.pad_size / -1, SeekOrigin.Current); | ||
p = mkey.pad_size; | ||
mkey.pad_size += size; | ||
mkey.pad_size &= 0x0f; | ||
if (mkey.pad_size == 0) | ||
mkey.pad_size = 16; | ||
size -= mkey.pad_size; | ||
// save last data to pad buf | ||
buf.Seek(size, SeekOrigin.Begin); | ||
buf.Write(mkey.pad, 0x00, mkey.pad_size); | ||
type = (mkey.type == 2) ? 0x3A : 0x38; | ||
while (size >= 0) | ||
{ | ||
ksize = (size + p >= 0x0800) ? 0x0800 : size + p; | ||
kirk_buf.Seek(p,SeekOrigin.Current); | ||
for(int i = 0; i < (ksize - p); i++) | ||
{ | ||
byte by = (byte)buf.ReadByte(); | ||
kirk_buf.WriteByte(by); | ||
} | ||
retv = sub_158(kirk_buf, ksize, mkey.key, type); | ||
if (retv) | ||
goto _exit; | ||
size -= (ksize - p); | ||
buf.Seek(ksize - p,SeekOrigin.Current); | ||
p = 0; | ||
} | ||
} | ||
_exit: | ||
return retv; | ||
} | ||
static int sub_158(byte[] buf, int size, byte[] key, int key_type) | ||
{ | ||
int i, retv; | ||
for (i = 0; i < 16; i++) | ||
{ | ||
buf[0x14 + i] ^= key[i]; | ||
} | ||
retv = kirk4(buf, size, key_type); | ||
if (retv) | ||
return retv; | ||
// copy last 16 bytes to keys | ||
for (i = 0; i < 16; i++) | ||
{ | ||
key[i] = buf[i + size + 4]; | ||
} | ||
return 0; | ||
} | ||
[DllImport("KIRK.dll", CallingConvention = CallingConvention.Cdecl)] | ||
public static extern int kirk_init(); | ||
// [DllImport("KIRK.dll", CallingConvention = CallingConvention.Cdecl)] | ||
// public unsafe static extern int sceDrmBBMacInit(MAC_KEY* mkey, int type); | ||
[DllImport("KIRK.dll", CallingConvention = CallingConvention.Cdecl)] | ||
public unsafe static extern int sceDrmBBMacUpdate(MAC_KEY* mkey, byte[] buf, int size); | ||
[DllImport("KIRK.dll", CallingConvention = CallingConvention.Cdecl)] | ||
public unsafe static extern int bbmac_getkey(MAC_KEY* mkey, byte[] bbmac, byte[] vkey); | ||
} | ||
} | ||
*/ |