/**
* Constructor of DataCode
* @param u8 the character to be transformed
* @param index the index of the char
*/
public DataCode(char u8, int index)
{
if (index > INDEX_MAX)
{
throw new Exception("index > INDEX_MAX");
}
byte[] dataBytes = ByteUtil.splitUint8To2bytes(u8);
mDataHigh = dataBytes[0];
mDataLow = dataBytes[1];
CRC8 crc8 = new CRC8();
crc8.update(ByteUtil.convertUint8toByte(u8));
crc8.update(index);
byte[] crcBytes = ByteUtil.splitUint8To2bytes((char)crc8.getValue());
mCrcHigh = crcBytes[0];
mCrcLow = crcBytes[1];
mSeqHeader = (byte)index;
}
/**
* Constructor of DataCode
* @param u8 the character to be transformed
* @param index the index of the char
*/
public DataCode(char u8, int index)
{
if (index > INDEX_MAX)
{
throw new Exception("index > INDEX_MAX");
}
byte[] dataBytes = ByteUtil.splitUint8To2bytes(u8);
mDataHigh = dataBytes[0];
mDataLow = dataBytes[1];
CRC8 crc8 = new CRC8();
crc8.update(ByteUtil.convertUint8toByte(u8));
crc8.update(index);
byte[] crcBytes = ByteUtil.splitUint8To2bytes((char)crc8.getValue());
mCrcHigh = crcBytes[0];
mCrcLow = crcBytes[1];
mSeqHeader = (byte)index;
}
/**
* Constructor of DatumCode
* @param apSsid the Ap's ssid
* @param apBssid the Ap's bssid
* @param apPassword the Ap's password
* @param ipAddress the ip address of the phone or pad
* @param isSsidHidden whether the Ap's ssid is hidden
*/
public DatumCode(string apSsid, string apBssid, string apPassword,
IPAddress ipAddress, bool isSsidHiden)
{
// Data = total len(1 byte) + apPwd len(1 byte) + SSID CRC(1 byte) +
// BSSID CRC(1 byte) + TOTAL XOR(1 byte)+ ipAddress(4 byte) + apPwd + apSsid apPwdLen <=
// 105 at the moment
// total xor
char totalXor = (char)0;
char apPwdLen = (char)ByteUtil.getBytesBystring(apPassword).Length;
CRC8 crc = new CRC8();
crc.update(ByteUtil.getBytesBystring(apSsid));
char apSsidCrc = (char)crc.getValue();
crc.reset();
crc.update(EspNetUtil.parseBssid2bytes(apBssid));
char apBssidCrc = (char)crc.getValue();
char apSsidLen = (char)ByteUtil.getBytesBystring(apSsid).Length;
// hostname parse
string[] ipAddrStrs = ipAddress.ToString().Split(new char[] { '.' });
int ipLen = ipAddrStrs.Length;
char[] ipAddrChars = new char[ipLen];
// only support ipv4 at the moment
for (int i = 0; i < ipLen; ++i)
{
ipAddrChars[i] = (char)int.Parse(ipAddrStrs[i]);
}
char _totalLen = (char)(EXTRA_HEAD_LEN + ipLen + apPwdLen + apSsidLen);
char totalLen = isSsidHiden ? (char)(EXTRA_HEAD_LEN + ipLen + apPwdLen + apSsidLen)
: (char)(EXTRA_HEAD_LEN + ipLen + apPwdLen);
// build data codes
mDataCodes = new DataCode[totalLen];
mDataCodes[0] = new DataCode(_totalLen, 0);
totalXor ^= _totalLen;
mDataCodes[1] = new DataCode(apPwdLen, 1);
totalXor ^= apPwdLen;
mDataCodes[2] = new DataCode(apSsidCrc, 2);
totalXor ^= apSsidCrc;
mDataCodes[3] = new DataCode(apBssidCrc, 3);
totalXor ^= apBssidCrc;
mDataCodes[4] = null;
for (int i = 0; i < ipLen; ++i)
{
mDataCodes[i + EXTRA_HEAD_LEN] = new DataCode(ipAddrChars[i], i + EXTRA_HEAD_LEN);
totalXor ^= ipAddrChars[i];
}
byte[] apPwdBytes = ByteUtil.getBytesBystring(apPassword);
char[] apPwdChars = new char[apPwdBytes.Length];
for (int i = 0; i < apPwdBytes.Length; i++)
{
apPwdChars[i] = ByteUtil.convertByte2Uint8(apPwdBytes[i]);
}
for (int i = 0; i < apPwdChars.Length; i++)
{
mDataCodes[i + EXTRA_HEAD_LEN + ipLen] = new DataCode(
apPwdChars[i], i + EXTRA_HEAD_LEN + ipLen);
totalXor ^= apPwdChars[i];
}
byte[] apSsidBytes = ByteUtil.getBytesBystring(apSsid);
char[] apSsidChars = new char[apSsidBytes.Length];
// totalXor will xor apSsidChars no matter whether the ssid is hidden
for (int i = 0; i < apSsidBytes.Length; i++)
{
apSsidChars[i] = ByteUtil.convertByte2Uint8(apSsidBytes[i]);
totalXor ^= apSsidChars[i];
}
if (isSsidHiden)
{
for (int i = 0; i < apSsidChars.Length; i++)
{
mDataCodes[i + EXTRA_HEAD_LEN + ipLen + apPwdLen] = new DataCode(
apSsidChars[i], i + EXTRA_HEAD_LEN + ipLen + apPwdLen);
}
}
// set total xor last
mDataCodes[4] = new DataCode(totalXor, 4);
}
/**
* Constructor of DatumCode
* @param apSsid the Ap's ssid
* @param apBssid the Ap's bssid
* @param apPassword the Ap's password
* @param ipAddress the ip address of the phone or pad
* @param isSsidHidden whether the Ap's ssid is hidden
*/
public DatumCode(string apSsid, string apBssid, string apPassword,
IPAddress ipAddress, bool isSsidHiden)
{
// Data = total len(1 byte) + apPwd len(1 byte) + SSID CRC(1 byte) +
// BSSID CRC(1 byte) + TOTAL XOR(1 byte)+ ipAddress(4 byte) + apPwd + apSsid apPwdLen <=
// 105 at the moment
// total xor
char totalXor = (char)0;
char apPwdLen = (char)ByteUtil.getBytesBystring(apPassword).Length;
CRC8 crc = new CRC8();
crc.update(ByteUtil.getBytesBystring(apSsid));
char apSsidCrc = (char)crc.getValue();
crc.reset();
crc.update(EspNetUtil.parseBssid2bytes(apBssid));
char apBssidCrc = (char)crc.getValue();
char apSsidLen = (char)ByteUtil.getBytesBystring(apSsid).Length;
// hostname parse
string[] ipAddrStrs = ipAddress.ToString().Split(new char[] { '.' });
int ipLen = ipAddrStrs.Length;
char[] ipAddrChars = new char[ipLen];
// only support ipv4 at the moment
for (int i = 0; i < ipLen; ++i)
{
ipAddrChars[i] = (char)int.Parse(ipAddrStrs[i]);
}
char _totalLen = (char)(EXTRA_HEAD_LEN + ipLen + apPwdLen + apSsidLen);
char totalLen = isSsidHiden ? (char)(EXTRA_HEAD_LEN + ipLen + apPwdLen + apSsidLen)
: (char)(EXTRA_HEAD_LEN + ipLen + apPwdLen);
// build data codes
mDataCodes = new DataCode[totalLen];
mDataCodes[0] = new DataCode(_totalLen, 0);
totalXor ^= _totalLen;
mDataCodes[1] = new DataCode(apPwdLen, 1);
totalXor ^= apPwdLen;
mDataCodes[2] = new DataCode(apSsidCrc, 2);
totalXor ^= apSsidCrc;
mDataCodes[3] = new DataCode(apBssidCrc, 3);
totalXor ^= apBssidCrc;
mDataCodes[4] = null;
for (int i = 0; i < ipLen; ++i)
{
mDataCodes[i + EXTRA_HEAD_LEN] = new DataCode(ipAddrChars[i], i + EXTRA_HEAD_LEN);
totalXor ^= ipAddrChars[i];
}
byte[] apPwdBytes = ByteUtil.getBytesBystring(apPassword);
char[] apPwdChars = new char[apPwdBytes.Length];
for (int i = 0; i < apPwdBytes.Length; i++)
{
apPwdChars[i] = ByteUtil.convertByte2Uint8(apPwdBytes[i]);
}
for (int i = 0; i < apPwdChars.Length; i++)
{
mDataCodes[i + EXTRA_HEAD_LEN + ipLen] = new DataCode(
apPwdChars[i], i + EXTRA_HEAD_LEN + ipLen);
totalXor ^= apPwdChars[i];
}
byte[] apSsidBytes = ByteUtil.getBytesBystring(apSsid);
char[] apSsidChars = new char[apSsidBytes.Length];
// totalXor will xor apSsidChars no matter whether the ssid is hidden
for (int i = 0; i < apSsidBytes.Length; i++)
{
apSsidChars[i] = ByteUtil.convertByte2Uint8(apSsidBytes[i]);
totalXor ^= apSsidChars[i];
}
if (isSsidHiden)
{
for (int i = 0; i < apSsidChars.Length; i++)
{
mDataCodes[i + EXTRA_HEAD_LEN + ipLen + apPwdLen] = new DataCode(
apSsidChars[i], i + EXTRA_HEAD_LEN + ipLen + apPwdLen);
}
}
// set total xor last
mDataCodes[4] = new DataCode(totalXor, 4);
}