//修改密码，KeyA 和 KeyB
private int ChangePassword(int sec, string password)
{
byte[] keyA1 = new byte[17];
byte[] keyA2 = new byte[7];
byte[] keyB1 = new byte[17];
byte[] keyB2 = new byte[7];
keyA1 = Encoding.ASCII.GetBytes(password);
URF330.a_hex(keyA1, keyA2, 12);
keyB1 = Encoding.ASCII.GetBytes(password);
URF330.a_hex(keyB1, keyB2, 12);
return(MifareOne.rf_changeb3(URF330.icdev, sec, keyA2, 0x00, 0x00, 0x00, 0x01, 105, keyB2));
}
/// <summary>
/// 4、写入IcCard数据
/// </summary>
public Result WriteIcCard(string randomSecret, string data1)
{
try
{
var sec = 1; // 第1扇区
var block = 0; // 第0数据块
var checkRet = Check(randomSecret, sec);
if (checkRet != null)
{
return(checkRet);
}
if (!string.IsNullOrEmpty(data1) && data1.Length != 32)
{
return(Result.BuilderStream(0, "写入数据长度不对"));
}
if (data1.Length > 0)
{
//3、写入第一扇区
var buff = Encoding.ASCII.GetBytes(data1);
byte[] databuff = new byte[16];
URF330.a_hex(buff, databuff, 32);
var ret = MifareOne.rf_write(URF330.icdev, sec * 4 + block, databuff);
if (ret != 0)
{
return(Result.BuilderStream(0, "写入数据失败"));
}
return(Result.BuilderStream(URF330.icdev));
}
else
{
return(Result.BuilderStream(0, "写入数据不能为空"));
}
}
catch (Exception ex)
{
this.Logger?.Log(ex.Message);
return(Result.BuilderStream(0, ex.Message));
}
}
//验证：寻址、加载密码，验证密码（返回 null 表示成功）
private Result Check(string randomSecret, int sec)
{
if (URF330.icdev <= 0)
{
return(Result.BuilderStream(URF330.icdev, "未初始化成功"));
}
//1、寻卡
var ret = MifareOne.rf_reset(URF330.icdev, 3);
if (ret != 0)
{
URF330.icdev = 0;
return(Result.BuilderStream(0, "重置失败[rf_reset]"));
}
ret = MifareOne.rf_request(URF330.icdev, 1, out UInt16 tagtype);
if (ret != 0)
{
return(Result.BuilderStream(0, "寻卡失败[request]"));
}
ret = MifareOne.rf_anticoll(URF330.icdev, 0, out uint machineId);
if (ret != 0)
{
return(Result.BuilderStream(0, "寻卡失败[anticoll]"));
}
ret = MifareOne.rf_select(URF330.icdev, machineId, out byte size);
if (ret != 0)
{
return(Result.BuilderStream(0, "寻卡失败[select]"));
}
//2、认证
randomSecret = randomSecret ?? "";
var validLen = 0;
for (int i = 0; i < randomSecret.Length; i++)
{
if ((randomSecret[i] >= '0' && randomSecret[i] <= '9') || (randomSecret[i] >= 'a' && randomSecret[i] <= 'f') || (randomSecret[i] >= 'A' && randomSecret[i] <= 'F'))
{
validLen++;
}
}
if (validLen != randomSecret.Length)
{
return(Result.BuilderStream(0, "认证失败[密码必须为十六进制数]"));
}
var key1 = Encoding.ASCII.GetBytes(randomSecret);
byte[] key2 = new byte[7];
URF330.a_hex(key1, key2, 12);
ret = URF330.rf_load_key(URF330.icdev, 0, sec, key2);
if (ret != 0)
{
return(Result.BuilderStream(0, "认证失败[装载密码失败]"));
}
ret = MifareOne.rf_authentication(URF330.icdev, 0, sec);
if (ret != 0)
{
return(Result.BuilderStream(0, "认证失败"));
}
return(null);
}