/// <summary>
/// 演示用户权限完成文件读写和加解密操作
/// </summary>
/// <returns></returns>
public static UInt32 UserUseDevice()
{
//1.枚举锁
//2.打开锁
//3.验证用户PIN
//4.修改用户PIN
//5.读只读文件
//6.修改可读写数据文件
//7.使用密钥文件加解密（AES128）
//8.使用密钥文件（HMAC）计算Hash值
//9.关闭锁
UInt32 ret = MowayCS.MW_SUCCESS;
UInt32 devInfoArraySize = 32; // 获取设备的最大数量
MW_DEVICE_INFO_CTX[] devInfoArray = new MW_DEVICE_INFO_CTX[devInfoArraySize];
UInt32 devCount = 0;
IntPtr hHandle = IntPtr.Zero;
//1.枚举锁
ret = MowayCS.mw_enum(devInfoArray, devInfoArraySize, ref devCount);
if (ret != MowayCS.MW_SUCCESS)
{
Console.WriteLine("mw_enum failed, {0:X8}", ret);
return(ret);
}
if (devCount == 0)
{
Console.WriteLine("Not found device");
return(ret);
}
//2.打开锁
ret = MowayCS.mw_open(ref devInfoArray[0], MowayCS.MW_OPEN_EXCLUSIVE_MODE, ref hHandle);
if (ret != MowayCS.MW_SUCCESS)
{
Console.WriteLine("mw_open failed, {0:X8}", ret);
return(ret);
}
//3.验证用户PIN
ret = MowayCS.mw_verify_pin(hHandle, Convert.ToByte(MowayCS.MW_PIN_TYPE_USER), Encoding.ASCII.GetBytes(Program.userPIN));
if (ret == MowayCS.MW_SUCCESS)
{
Console.WriteLine("mw_verify_pin success PIN = {0}", Program.userPIN);
}
else
{
Console.WriteLine("mw_verify_pin failed, {0:X8}", ret);
MowayCS.mw_close(hHandle);
return(ret);
}
//4.修改用户PIN
byte[] oldPIN = Encoding.ASCII.GetBytes(Program.userPIN);
byte[] newPIN = Encoding.ASCII.GetBytes(Program.userPIN); // 本例仅用于演示接口使用方法，设置新PIN与旧PIN相同。
UInt16 limitCount = 0; // 使用默认值不限制重试次数
ret = MowayCS.mw_change_pin(hHandle, Convert.ToByte(MowayCS.MW_PIN_TYPE_USER), limitCount, oldPIN, newPIN);
if (ret == MowayCS.MW_SUCCESS)
{
Console.WriteLine("mw_change_pin success oldPIN = {0}, newPIN = {1}.", Program.userPIN, Program.userPIN);
}
else
{
Console.WriteLine("mw_change_pin failed, {0:X8}", ret);
}
//5.读只读文件
byte[] readBuffer = null;
UInt32 readBufferLen = 0;
UInt32 readOffset = 0;
readBuffer = new byte[128];
readBufferLen = (UInt32)userUseFileData.Length;
ret = MowayCS.mw_read_file(hHandle, userRDFilename, readOffset, readBufferLen, readBuffer);
if (ret == MowayCS.MW_SUCCESS)
{
Console.WriteLine("mw_read_file {0} success, {1}", userRDFilename, Encoding.ASCII.GetString(readBuffer));
}
else
{
Console.WriteLine("mw_read_file {0} failed, {1:X8}", userRDFilename, ret);
}
//6.修改可读写数据文件
// 6.1 向可读写文件写入数据
byte[] writeBuffer = Encoding.ASCII.GetBytes("user privilege write!");
UInt32 writeOffset = 0;
UInt32 writeBufferLen = (UInt32)writeBuffer.Length;
ret = MowayCS.mw_write_file(hHandle, userRWFilename, writeOffset, writeBufferLen, writeBuffer);
if (ret == MowayCS.MW_SUCCESS)
{
Console.WriteLine("mw_write_file {0} success.", userRWFilename);
// 6.2 读取可读写文件内容
readBufferLen = (UInt32)readBuffer.Length; // 重置缓冲区长度
ret = MowayCS.mw_read_file(hHandle, userRWFilename, readOffset, readBufferLen, readBuffer);
if (ret == MowayCS.MW_SUCCESS)
{
Console.WriteLine("mw_read_file {0} success, {1}", userRWFilename, Encoding.ASCII.GetString(readBuffer));
}
else
{
Console.WriteLine("mw_read_file {0} failed, {1:X8}", userRWFilename, ret);
}
}
else
{
Console.WriteLine("mw_write_file {0} failed, {1:X8}", userRWFilename, ret);
}
//7.使用密钥文件加解密（AES128）
string encrypTestData = "1234567890123456";
byte[] data = Encoding.ASCII.GetBytes(encrypTestData);
UInt32 dataLen = (UInt32)data.Length;
byte[] iv = null;
byte[] encryptData = new byte[128];
UInt32 encryptDataLen = (UInt32)encryptData.Length;
byte[] decryptData = new byte[128];
UInt32 decryptDataLen = (UInt32)decryptData.Length;
// 7.1 数据加密
ret = MowayCS.mw_sym_encrypt(hHandle, keyAES128Filename, Convert.ToByte(MowayCS.MW_SYM_ALGO_MODE_ECB), null, data, dataLen, encryptData, ref encryptDataLen);
if (ret == MowayCS.MW_SUCCESS)
{
Console.WriteLine("mw_sym_encrypt({0}) success, encryptDataLen = {1}", keyAES128Filename, encryptDataLen);
// 7.2 数据解密
ret = MowayCS.mw_sym_decrypt(hHandle, keyAES128Filename, Convert.ToByte(MowayCS.MW_SYM_ALGO_MODE_ECB), null, encryptData, encryptDataLen, decryptData, ref decryptDataLen);
if (ret == MowayCS.MW_SUCCESS)
{
Console.WriteLine("mw_sym_decrypt {0} success, {1}", keyAES128Filename, Encoding.ASCII.GetString(decryptData));
// 比较加解密数据
if (Program.CompareBytes(data, decryptData, (int)dataLen))
{
Console.WriteLine("data == decryptData");
}
}
else
{
Console.WriteLine("mw_sym_decrypt({0}) failed, {1:X8}", keyAES128Filename, ret);
}
}
else
{
Console.WriteLine("mw_sym_encrypt {0} failed, {1:X8}", keyAES128Filename, ret);
}
//8.使用密钥文件（HMAC）计算Hash值
byte[] hmacData = new byte[128]; // 重置数据
UInt32 hmacDataLen = (UInt32)hmacData.Length;
ret = MowayCS.mw_hmac_calc(hHandle, keyHMACMD5Filename, data, dataLen, hmacData, ref hmacDataLen);
if (ret == MowayCS.MW_SUCCESS)
{
Console.WriteLine("mw_hmac_calc({0}) success, md5 = {1}", keyHMACMD5Filename, BitConverter.ToString(hmacData));
}
else
{
Console.WriteLine("mw_hmac_calc {0} failed, {1:X8}", keyHMACMD5Filename, ret);
}
//9.关闭锁
MowayCS.mw_close(hHandle);
return(MowayCS.MW_SUCCESS);
}