/// <summary>
/// 验证两枚指纹模板是否相同
/// </summary>
/// <exception cref="ArgumentNullException"/>
/// <param name="fingerprint"></param>
/// <param name="left"></param>
/// <param name="right"></param>
/// <returns></returns>
public static bool Verify(this IFingerprint fingerprint, byte[] left, byte[] right)
{
var _left = new FingerprintInfo(FingerprintType.Template, left);
var _right = new FingerprintInfo(FingerprintType.Template, right);
return(fingerprint.Verify(_left, _right));
}
/// <summary>
/// 已异步的方式注册指纹
/// </summary>
/// <param name="fingerprint"></param>
/// <param name="action">提示方法</param>
/// <param name="describes">提示语句</param>
/// <param name="cancellation"></param>
/// <returns></returns>
public static async Task <FingerprintInfo> RegisterAsync(this IFingerprint fingerprint, Action <string, MessageType> action, string[] describes, CancellationToken cancellation)
{
if (describes == null)
{
throw new ArgumentNullException(nameof(describes));
}
string[] _describes = new string[5];
for (int i = 0; i < _describes.Length; i++)
{
if (i < describes.Length)
{
_describes[i] = describes[i];
}
else
{
_describes[i] = Describes[i];
}
}
FingerprintInfo[] _fingerprints = new FingerprintInfo[3];
action(_describes[0], MessageType.info); // 注册指纹需要按下三次手指
for (int i = 0; i < 3;)
{
FingerprintInfo _fingerprint = await fingerprint.GetFingerprintAsync(cancellation);
if (cancellation.IsCancellationRequested)
{
return(null);
}
if (_fingerprint != null)
{
if (i == 0)
{
_fingerprints[i] = _fingerprint;
i++;
}
else if (i > 0)
{
if (fingerprint.Verify(_fingerprint, _fingerprints[i - 1]))
{
_fingerprints[i] = _fingerprint;
i++;
}
else
{
action(_describes[4], MessageType.Error);// 请使用同一手指
}
}
}
if (i < 3)
{
action(_describes[i], MessageType.info);
// 还需要按下{3 - i}次手指
}
}
action(_describes[3], MessageType.Success);// 请使用同一手指
return(fingerprint.Merge(_fingerprints));
}
/// <summary>
/// 将三枚指纹模板合并成一枚指纹模板
/// </summary>
/// <exception cref="ArgumentNullException"/>
/// <param name="fingerprint"></param>
/// <param name="templates">指纹模板</param>
/// <returns></returns>
public static byte[] Merge(this IFingerprint fingerprint, params byte[][] templates)
{
FingerprintInfo[] fingerprints = new FingerprintInfo[3];
fingerprints[0] = new FingerprintInfo(FingerprintType.Template, templates[0]);
fingerprints[1] = new FingerprintInfo(FingerprintType.Template, templates[1]);
fingerprints[2] = new FingerprintInfo(FingerprintType.Template, templates[2]);
return(fingerprint.Merge(fingerprints).Template);
}
public async static void UserZkfpTool()
{
zkfp.Initialization();
// 初始化工具类
do
{
if (!zkfp.IsInit)// 初始化指纹仪
{
zkfp.Initialization();
Console.WriteLine("请连接指纹仪器后按任意键重试。");
Console.ReadKey(false);
}
else
{
if (fingerprint == null)
{// 未注册
FingerprintInfo[] fingerprints = new FingerprintInfo[3];
fingerprint = await zkfp.RegisterAsync((tips, type) =>
{
switch (type)
{
default:
case MessageType.info:
Console.ResetColor();
zkfp.SetLight(LightType.White);
break;
case MessageType.Success:
Console.ForegroundColor = ConsoleColor.Green;
zkfp.SetLight(LightType.Green);
break;
case MessageType.Error:
Console.ForegroundColor = ConsoleColor.Red;
zkfp.SetLight(LightType.Red);
break;
}
Console.WriteLine(tips);
}, source.Token);
if (source.Token.IsCancellationRequested)
{
break;
}
}
else
{
// 已注册，调用验证
FingerprintInfo _fingerprint = await zkfp.GetFingerprintAsync(source.Token);
if (source.Token.IsCancellationRequested)
{
break;
}
if (zkfp.Verify(fingerprint, _fingerprint))
{
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("验证成功");
}
else
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("验证失败，请重试");
}
Console.ResetColor();
}
}
}while (true);
}
