private byte[] createNPDHash2(byte[] klicensee, byte[] npd)
{
byte[] output = new byte[0x10];
ToolsImpl.XOR(output, klicensee, EDATKeys.npdrm_omac_key2);
byte[] src = ToolsImpl.CMAC128(output, npd, 0, 0x60);
ConversionUtils.arraycopy(src, 0, npd, 0x60L, 0x10);
if (this.compareBytes(src, 0, npd, 0x60, 0x10))
{
return(src);
}
return(null);
}
private bool checkNPDHash2(byte[] klicensee, byte[] npd)
{
byte[] xoredKey = new byte[0x10];
ToolsImpl.XOR(xoredKey, klicensee, EDATKeys.npdrm_omac_key2);
byte[] calculated = ToolsImpl.CMAC128(xoredKey, npd, 0, 0x60);
bool result2 = compareBytes(calculated, 0, npd, 0x60, 0x10);
if (result2)
{
Console.WriteLine("NPD hash 2 is valid (" + ConversionUtils.getHexString(calculated) + ")");
}
return(result2);
}
private bool checkNPDHash2(byte[] klicensee, byte[] npd)
{
byte[] output = new byte[0x10];
ToolsImpl.XOR(output, klicensee, EDATKeys.npdrm_omac_key2);
byte[] buffer2 = ToolsImpl.CMAC128(output, npd, 0, 0x60);
bool flag = this.compareBytes(buffer2, 0, npd, 0x60, 0x10);
if (flag)
{
Console.WriteLine("NPD hash 2 is valid (" + ConversionUtils.getHexString(buffer2) + ")");
}
return(flag);
}
private byte[] createNPDHash2(byte[] klicensee, byte[] npd)
{
byte[] xoredKey = new byte[0x10];
ToolsImpl.XOR(xoredKey, klicensee, EDATKeys.npdrm_omac_key2);
byte[] calculated = ToolsImpl.CMAC128(xoredKey, npd, 0, 0x60);
ConversionUtils.arraycopy(calculated, 0, npd, 0x60, 0x10);
bool result2 = compareBytes(calculated, 0, npd, 0x60, 0x10);
if (result2)
{
return(calculated);
}
return(null);
}
private byte[] createNPDHash1(string filename, byte[] npd)
{
byte[] src = ConversionUtils.charsToByte(filename.ToCharArray());
byte[] dest = new byte[0x30 + src.Length];
ConversionUtils.arraycopy(npd, 0x10, dest, 0L, 0x30);
ConversionUtils.arraycopy(src, 0, dest, 0x30L, src.Length);
byte[] buffer3 = ToolsImpl.CMAC128(EDATKeys.npdrm_omac_key3, dest, 0, dest.Length);
ConversionUtils.arraycopy(buffer3, 0, npd, 80L, 0x10);
if (this.compareBytes(buffer3, 0, npd, 80, 0x10))
{
return(buffer3);
}
return(null);
}
private bool checkNPDHash1(String filename, byte[] npd)
{
byte[] fileBytes = ConversionUtils.charsToByte(filename.ToCharArray());
byte[] data1 = new byte[0x30 + fileBytes.Length];
ConversionUtils.arraycopy(npd, 0x10, data1, 0, 0x30);
ConversionUtils.arraycopy(fileBytes, 0x00, data1, 0x30, fileBytes.Length);
byte[] hash1 = ToolsImpl.CMAC128(EDATKeys.npdrm_omac_key3, data1, 0, data1.Length);
bool result1 = compareBytes(hash1, 0, npd, 0x50, 0x10);
if (result1)
{
Console.WriteLine("NPD hash 1 is valid (" + ConversionUtils.getHexString(hash1) + ")");
}
return(result1);
}
private bool checkNPDHash1(string filename, byte[] npd)
{
byte[] src = ConversionUtils.charsToByte(filename.ToCharArray());
byte[] dest = new byte[0x30 + src.Length];
ConversionUtils.arraycopy(npd, 0x10, dest, 0L, 0x30);
ConversionUtils.arraycopy(src, 0, dest, 0x30L, src.Length);
byte[] buffer3 = ToolsImpl.CMAC128(EDATKeys.npdrm_omac_key3, dest, 0, dest.Length);
bool flag = this.compareBytes(buffer3, 0, npd, 80, 0x10);
if (flag)
{
Console.WriteLine("NPD hash 1 is valid (" + ConversionUtils.getHexString(buffer3) + ")");
}
return(flag);
}
private byte[] createNPDHash1(String filename, byte[] npd)
{
byte[] fileBytes = ConversionUtils.charsToByte(filename.ToCharArray());
byte[] data1 = new byte[0x30 + fileBytes.Length];
ConversionUtils.arraycopy(npd, 0x10, data1, 0, 0x30);
ConversionUtils.arraycopy(fileBytes, 0x00, data1, 0x30, fileBytes.Length);
byte[] hash1 = ToolsImpl.CMAC128(EDATKeys.npdrm_omac_key3, data1, 0, data1.Length);
ConversionUtils.arraycopy(hash1, 0, npd, 0x50, 0x10);
bool result1 = compareBytes(hash1, 0, npd, 0x50, 0x10);
if (result1)
{
return(hash1);
}
return(null);
}
