| public ComputeChecksum ( byte bytes ) : ushort | ||
| bytes | byte | |
| return | ushort | |
public byte[] GetBytes()
{
byte[] buffer = new byte[1 + Data.Length + 2];
buffer[0] = (byte)Command;
ByteWriter.WriteBytes(buffer, 1, Data);
ushort crc16 = Crc16Ccitt.ComputeChecksum(buffer, 1 + Data.Length);
LittleEndianWriter.WriteUInt16(buffer, 1 + Data.Length, crc16);
return(buffer);
}
public void ComputeChecksumTest3()
{
Crc16Ccitt target = new Crc16Ccitt(InitialCrcValue.Zeros);
byte[] bytes = new byte[] { 0x00, 0x00, 0x00, 0x42 };
ushort expected = 0x6886;
ushort actual;
actual = target.ComputeChecksum(bytes);
Assert.AreEqual(expected, actual);
}
public void ComputeChecksumTest6()
{
Crc16Ccitt target = new Crc16Ccitt(InitialCrcValue.Zeros);
byte[] bytes = new byte[] { 0xCA, 0xFE, 0xBA, 0xBE, 0x94, 0x8F };
ushort expected = 0;
ushort actual;
actual = target.ComputeChecksum(bytes);
Assert.AreEqual(expected, actual);
}
public void ComputeChecksumTest7()
{
Crc16Ccitt target = new Crc16Ccitt(InitialCrcValue.Zeros);
byte[] bytes = new byte[10000];
for (int i = 0; i < 10000; i++)
{
bytes[i] = (byte)i;
}
ushort expected = 0x5885;
ushort actual;
actual = target.ComputeChecksum(bytes);
Assert.AreEqual(expected, actual);
}
public static ArduinoI2CResponse VerifyIncomingData(byte[] bData)
{
try
{
Int16 sizeData = bData[0];
int size = sizeData + 4;
if (bData[1] != 2)
{
throw new Exception("To nie jest typ Response");
}
byte lo = bData[size - 2];
byte hi = bData[size - 1];
byte[] crcData = new byte[size - 2];
Buffer.BlockCopy(bData, 0, crcData, 0, size - 2);
Crc16Ccitt crc = new Crc16Ccitt(InitialCrcValue.NonZero1);
Debug.WriteLine("CRC: " + crc.ComputeChecksum(crcData));
var retByte = crc.ComputeChecksumBytes(crcData);
if (!((retByte[0] == lo) && retByte[1] == hi))
{
throw new Exception("B³ad przesy³u danych! B³ad CRC");
}
byte[] Data = new byte[size - 4];
Buffer.BlockCopy(bData, 2, Data, 0, sizeData);
return((ArduinoI2CResponse)GetObjectFromBytes(Data, typeof(ArduinoI2CResponse)));
}
catch (Exception ex)
{
string val = String.Join(",", bData);
LoggerFactory.LogException(ex, "VerifyIncomingData", new { val });
return(new ArduinoI2CResponse {
Status = (int)I2CResponseStatus.Error
});
}
}
private void encryptBinFile_Click(object sender, EventArgs e)
{
var fileArray = File.ReadAllBytes(fileNameTextBox.Text);
Crc16Ccitt c = new Crc16Ccitt(InitialCrcValue.NonZero1);
ushort crcValue = c.ComputeChecksum(fileArray);
outputTextBox.AppendText(String.Format("Calculated CRC: 0x{0:X}\r\n", crcValue));
outputTextBox.AppendText(String.Format("Calculated CRC: 0d{0}\r\n", crcValue));
int totalNumberOfPackets = (fileArray.Length / 32);
if (fileArray.Length % 32 != 0)
{
totalNumberOfPackets++;
}
byte[] encryptedArray = new byte[fileArray.Length];
byte[] aplitEncryptedArray = new byte[fileArray.Length];
byte[] key = { 0x30, 0xAB, 0xC2, 0x12, 0x09, 0xCE, 0x56, 0x9A, 0xF8, 0x81, 0xD4, 0xA9
, 0x05, 0x67, 0x5E, 0x6F, 0x79, 0x3F, 0x96, 0xC9, 0x11, 0x2F, 0x37, 0x1C, 0x60, 0xE3, 0x04, 0x7E
, 0xB6, 0x93, 0x70, 0xEF, 0x4A, 0x45, 0x02, 0x6A, 0x97, 0x12, 0x27, 0x42, 0xEC, 0x51, 0x55, 0x70
, 0x00, 0xCB, 0xA8, 0x61, 0x22, 0xE1, 0xF1, 0x78, 0x53, 0x18, 0xF8, 0xDA, 0xC9, 0x40, 0x08, 0x5D
, 0x3F, 0x96, 0x09, 0xC5, 0x9B, 0x08, 0x34, 0xBD, 0x9C, 0xFA, 0x9F, 0x1D, 0x5F, 0x61, 0x77, 0xA0
, 0x16, 0xC5, 0xB1, 0x76, 0x00, 0xF7, 0x97, 0x9A, 0x04, 0x09, 0x95, 0x8C, 0x44, 0x5A, 0xF3, 0x1E
, 0xCE, 0x96, 0x24, 0xF7, 0xE1, 0x2B, 0x20, 0x5A, 0x67, 0x89, 0xEa, 0x6C, 0xBA, 0x73, 0x0B, 0x19
, 0xE6, 0xA3, 0xCD, 0xFC, 0xA1, 0xAD, 0x7E, 0x65, 0x67, 0x0C, 0x9B, 0x48, 0x5E, 0x6A, 0x53, 0xBD
, 0xBB, 0x22, 0xBC, 0x85, 0x17, 0x85, 0x2A, 0x07, 0x9A, 0xC0, 0x18, 0xB6, 0xEF, 0x90, 0x3C, 0x0E
, 0x8E, 0x19, 0x5E, 0xA1, 0xE0, 0x06, 0x18, 0xD0, 0x56, 0x36, 0x30, 0xA0, 0xA8, 0x60, 0x77, 0x31
, 0x4C, 0xDA, 0x3B, 0x5E, 0x75, 0x9C, 0xD5, 0xB6, 0x97, 0x59, 0x56, 0x47, 0xF8, 0xEB, 0x40, 0xF9
, 0x99, 0x2F, 0xFB, 0xFA, 0xFE, 0x88, 0xF3, 0x49, 0xD2, 0xC7, 0xD6, 0x54, 0x6A, 0xBB, 0x02, 0x52
, 0xCB, 0xC1, 0xCA, 0xA1, 0x23, 0x6D, 0x7F, 0xC9, 0x4F, 0x6B, 0xDE, 0x2E, 0xF3, 0xB5, 0x4A, 0x30
, 0x46, 0xE5, 0x08, 0xB9, 0xCD, 0x1F, 0x07, 0x12, 0x89, 0x04, 0xD3, 0x03, 0x72, 0x96, 0x50, 0x0D
, 0xF3, 0xB9, 0xB1, 0xD6, 0xAE, 0xF9, 0xB4, 0x3A, 0x95, 0x78, 0xCE, 0x7D, 0xA4, 0xA0, 0x55, 0x4C
, 0xDF, 0xC2, 0x5C, 0x5A, 0x79, 0x91, 0xD8, 0x4D, 0xC8, 0x62, 0x8E, 0x8D, 0xA0, 0xED, 0xF0, 0xE6
, 0xED, 0x59, 0x63, 0xE2 };
uint Counter = 0;
int Rotator = fileArray.Length % 8;
if (Rotator.Equals(0))
{
Rotator = (fileArray.Length + 1) % 5;
}
if (Rotator.Equals(0))
{
Rotator = 4;
}
outputTextBox.AppendText(String.Format("File size in bytes: {0}\r\n", fileArray.Length));
outputTextBox.AppendText(String.Format("Calculated Rotator: {0}\r\n", Rotator));
for (int i = 0; i < fileArray.Length; i++)
{
byte firstLeftRotation = lrotate(fileArray[i], Rotator);
byte afterKey = (byte)(firstLeftRotation ^ key[Counter]);
byte secondLeftRotate = lrotate(afterKey, 8 - Rotator);
byte firstLeftRotationAplit = lrotate(fileArray[i], 3);
byte afterKeyAplit = (byte)(firstLeftRotationAplit ^ key[Counter]);
byte secondLeftRotateAplit = lrotate(afterKeyAplit, 5);
Counter++;
encryptedArray[i] = secondLeftRotate;
aplitEncryptedArray[i] = secondLeftRotateAplit;
if (Counter > 255)
{
Counter = 0;
}
}
File.WriteAllBytes(fileNameTextBox.Text.Replace(shortFileName, "Encrypted" + shortFileName), encryptedArray);
File.WriteAllBytes(fileNameTextBox.Text.Replace(shortFileName, "AplitEncrypted" + shortFileName), aplitEncryptedArray);
}
private void Form1_Load(object sender, System.EventArgs e)
{
//Test if version of DLL is compatible : 3rd argument is "version of DLL tested;Your application name;Your application version"
String ToDisplay;
MediaInfo MI = new MediaInfo();
ToDisplay = MI.Option("Info_Version", "0.7.0.0;MediaInfoDLL_Example_CS;0.7.0.0");
if (ToDisplay.Length == 0)
{
richTextBox1.Text = "MediaInfo.Dll: this version of the DLL is not compatible";
return;
}
//Information about MediaInfo
ToDisplay += "\r\n\r\nInfo_Parameters\r\n";
ToDisplay += MI.Option("Info_Parameters");
ToDisplay += "\r\n\r\nInfo_Capacities\r\n";
ToDisplay += MI.Option("Info_Capacities");
ToDisplay += "\r\n\r\nInfo_Codecs\r\n";
ToDisplay += MI.Option("Info_Codecs");
//An example of how to use the library
ToDisplay += "\r\n\r\nOpen\r\n";
MI.Open("Example.ogg");
ToDisplay += "\r\n\r\nInform with Complete=false\r\n";
MI.Option("Complete");
ToDisplay += MI.Inform();
ToDisplay += "\r\n\r\nInform with Complete=true\r\n";
MI.Option("Complete", "1");
ToDisplay += MI.Inform();
ToDisplay += "\r\n\r\nCustom Inform\r\n";
MI.Option("Inform", "General;File size is %FileSize% bytes");
ToDisplay += MI.Inform();
ToDisplay += "\r\n\r\nGet with Stream=General and Parameter='FileSize'\r\n";
ToDisplay += MI.Get(0, 0, "FileSize");
ToDisplay += "\r\n\r\nGet with Stream=General and Parameter=46\r\n";
ToDisplay += MI.Get(0, 0, 46);
ToDisplay += "\r\n\r\nCount_Get with StreamKind=Stream_Audio\r\n";
ToDisplay += MI.Count_Get(StreamKind.Audio);
ToDisplay += "\r\n\r\nGet with Stream=General and Parameter='AudioCount'\r\n";
ToDisplay += MI.Get(StreamKind.General, 0, "AudioCount");
ToDisplay += "\r\n\r\nGet with Stream=Audio and Parameter='StreamCount'\r\n";
ToDisplay += MI.Get(StreamKind.Audio, 0, "StreamCount");
ToDisplay += "\r\n\r\nClose\r\n";
MI.Close();
//Example with a stream
//ToDisplay+="\r\n"+ExampleWithStream()+"\r\n";
Crc16Ccitt A=new Crc16Ccitt(InitialCrcValue.Zeros);
byte[] B = { 0x84, 0x00, 0x00, 0x00, 0x6B, 0x00, 0x00, 0x00, 0x67, 0x1F, 0x20, 0x00, 0x00, 0x62, 0x0C, 0x9B, 0x35, 0x35, 0x38, 0x3B, 0x34, 0x31, 0x36, 0x20, 0x56, 0x9B, 0x38, 0x31, 0x3B, 0x33, 0x32, 0x20, 0x5F, 0x90, 0x6F, 0x90, 0x20, 0x41, 0x90, 0x7E, 0x9B, 0x31, 0x3B, 0x30, 0x30, 0x30, 0x30, 0x20, 0x63, 0x9B, 0x30, 0x20, 0x58, 0x1C, 0x40, 0x40, 0x1C, 0x46, 0x40, 0x90, 0x20, 0x40, 0x90, 0x50, 0xC9, 0xB3, 0xC7, 0x89, 0x20, 0x1D, 0x61, 0x1B, 0x7E, 0xC0, 0xA4, 0xE9, 0xF3, 0xC1, 0xF3, 0x8A, 0x24, 0x72, 0x21, 0x29, 0x88, 0x1C, 0x4F, 0x41, 0x89, 0xE1, 0xAD, 0xB7, 0xB3, 0x8A, 0x21, 0x29, 0x89, 0x20, 0x8A, 0x21, 0x44, 0x89, 0xA4, 0xF3, 0xBF, 0xF9, 0xCD, 0xC3, 0xC8, 0x8A, 0x21, 0x29 };
ushort C=A.ComputeChecksum(B);
//Displaying the text
richTextBox1.Text = ToDisplay;
}
