/*
* BBMac functions.
*/
public static int sceDrmBBMacInit(Crypto.MAC_KEY mkey, int type)
{
//var temp = (Crypto.MAC_KEY*)(mkey);
mkey.type = type;
mkey.pad_size = 0;
return(0);
}
public static uint sceNpDrmGetFixedKey(ref byte key, ref string npstr, int type)
{
Crypto.AES_ctx akey = new Crypto.AES_ctx();
Crypto.MAC_KEY mkey = new Crypto.MAC_KEY();
string strbuf = new string(new char[0x30]);
int retv;
if ((type & 0x01000000) == 0)
{
return(0x80550901);
}
type &= 0x000000ff;
strbuf = npstr.Substring(0, 0x30);
retv = sceDrmBBMacInit(mkey, 1);
if (retv != 0)
{
return((uint)retv);
}
//retv = sceDrmBBMacUpdate(mkey, (byte)strbuf, 0x30);
//if (retv != 0)
//{
// return retv;
//}
//retv = sceDrmBBMacFinal(mkey, ref key, npdrm_fixed_key);
if (retv != 0)
{
return(0x80550902);
}
if (type == 0)
{
return(0);
}
if (type > 3)
{
return(0x80550901);
}
type = (type - 1) * 16;
// Crypto.AES_set_key(akey, npdrm_enc_keys[type], 128);
// Crypto.AES_encrypt(akey, key, ref key);
return(0);
}
public static uint sceDrmBBMacUpdate(Crypto.MAC_KEY mkey, byte buf, int size)
{
uint retv = 0;
//int ksize;
//int p;
//int type;
////C++ TO C# CONVERTER TODO TASK: C# does not have an equivalent to pointers to value types:
////ORIGINAL LINE: byte *kbuf;
//byte[] kbuf = new byte[kirk_buf.Length + 0x14];
//if (mkey.pad_size > 16)
//{
// retv = 0x80510302;
// goto _exit;
//}
//if (mkey.pad_size + size <= 16)
//{
// //C++ TO C# CONVERTER TODO TASK: The memory management function 'memcpy' has no equivalent in C#:
// PointerUtils.Memcpy(mkey.pad + mkey.pad_size, buf, size);
// mkey.pad_size += size;
// retv = 0;
//}
//else
//{
// //kbuf = kirk_buf + 0x14;
// //C++ TO C# CONVERTER TODO TASK: The memory management function 'memcpy' has no equivalent in C#:
// PointerUtils.Memcpy(kbuf, mkey.pad, mkey.pad_size);
// 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;
// //C++ TO C# CONVERTER TODO TASK: The memory management function 'memcpy' has no equivalent in C#:
// PointerUtils.Memcpy(mkey.pad, buf + size, mkey.pad_size);
// type = (mkey.type == 2) ? 0x3A : 0x38;
// while (size != 0)
// {
// ksize = (size + p >= 0x0800) ? 0x0800 : size + p;
// //C++ TO C# CONVERTER TODO TASK: The memory management function 'memcpy' has no equivalent in C#:
// PointerUtils.Memcpy(kbuf, buf, ksize - p);
// retv = encrypt_buf(kirk_buf, ksize, mkey.key, type);
// if (retv != 0)
// {
// goto _exit;
// }
// size -= (ksize - p);
// buf += ksize - p;
// p = 0;
// }
//}
//_exit:
return(retv);
}