static void ShiftFshKey()
{
FlashAddr = 0X2074;
R0X41 = ReadFshData(R0XC1);
if (R0X41 != 0)
{
for (;;)
{
// asm("BANKSEL _A.R0XAB");
// asm("RRCF _A.R0XAB, F, B");
// asm("RRCF _A.R0XAC, F, B");
// asm("RRCF _A.R0XAD, F, B");
// asm("RRCF _A.R0XAE, F, B ");
ulR0XAB >>= 1;
BytesOP.ClrBit(ref ulR0XAB, 7);
if (BytesOP.GetBit(ulR0XAB, 27))
{
BytesOP.SetBit(ref ulR0XAB, 7);
}
;
// asm("BANKSEL _A.R0XAF");
// asm("RRCF _A.R0XAF, F, B");
// asm("RRCF _A.R0XB0, F, B");
// asm("RRCF _A.R0XB1, F, B");
// asm("RRCF _A.R0XB2, F, B");
ulR0XAF >>= 1;
BytesOP.ClrBit(ref ulR0XAF, 7);
if (BytesOP.GetBit(ulR0XAF, 27))
{
BytesOP.SetBit(ref ulR0XAF, 7);
}
;
R0X41--;
if (R0X41 == 0)
{
break;
}
}
}
R0XBB = 0XAB;
R0XBC = 0XB3;
R0X52 = 0X7F;
R0X53 = 0X3F;
BytesOP.SetBit(ref R0XCB, 6);
GetFshKey();
}
public static byte[] Decode(byte[] sin)
{
byte[] sout = new byte[8];
for (int i = 0; i < 8; i++)
{
RAMBUF[i + 0x83] = sin[i];
RAMBUF[i + 0x8b] = sin[i];
}
R0XBB = 0X8B;
R0XBC = 0XA3;
R0X52 = 0X3F;
R0X53 = 0X3F;
BytesOP.ClrBit(ref R0XCB, 6);
GetFshKey();
R0XBB = 0X93;
R0XBC = 0XAB;
R0X52 = 0X3F;
R0X53 = 0X3F;
BytesOP.SetBit(ref R0XCB, 6);
GetFshKey();
for (int i = 16; i != 0; i--) // 16次循环
{
MixFshKey();
}
R0XBB = 0XA3;
R0XBC = 0X8B;
R0X52 = 0X7F;
R0X53 = 0X3F;
BytesOP.ClrBit(ref R0XCB, 6);
GetFshKey();
for (int i = 0; i < 8; i++)
{
sout[i] = RAMBUF[0x8b + i];
}
return(sout);
}
