Java Jna调用Dll动态库函数读写IC卡
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import com.sun.jna.Library ;
import com.sun.jna.Native;
import java.io.IOException;
interface CLibrary extends Library {
//DLL绝对路径的地址获取，注意要去空格，特别坑
//不同版本的读写器，接口DLL文件名称、函数名称是一样的,但内核代码不一样，请选用与读写器、操作系统一致的OUR_MIFARE.dll
String filePath = CLibrary.class.getResource("").getPath().replaceFirst("/","").replaceAll("%20"," ")+"OUR_MIFARE";
CLibrary sdtapi = (CLibrary) Native.loadLibrary(filePath, CLibrary.class);
//动态链接库中的方法
byte pcdbeep(int xms); //让设备发出声音
byte pcdgetdevicenumber(byte[] devicenumber); //读取设备编号
byte piccreadex(byte ctrlword,byte[] serial,byte area,byte keyA1B0,byte[] picckey,byte[] piccdata0_2); //轻松读卡
byte piccwriteex(byte ctrlword,byte[] serial,byte area,byte keyA1B0,byte[] picckey,byte[] piccdata0_2); //轻松写卡
byte piccchangesinglekey(byte ctrlword,byte[] serial,byte area,byte keyA1B0,byte[] piccoldkey,byte[] piccnewkey); //改单区密码
byte piccchangesinglekeyex(byte ctrlword,byte[] serial,byte area,byte keyA1B0,byte[] piccoldkey,byte[] piccdata); //改单区密码，可同时修改A密码，或密码权限访问字(密码权限编码)或B密码
byte piccrequest(byte[] serial); //寻卡
byte piccauthkey1(byte[] serial,byte area,byte keyA1B0,byte[] picckey); //认证卡片密码
byte piccread(byte block,byte[] blockdate); //读指定块信息
byte piccwrite(byte block,byte[] blockdate); //读指定块信息
byte piccwriteserial(byte ctrlword,byte[] serial,byte keyA1B0,byte[] piccoldkey,byte[] piccdata); //写UID
}
public class ICReadWriteDemo {
public static final byte BLOCK0_EN = 0x01; //操作第0块
public static final byte BLOCK1_EN = 0x02; //操作第1块
public static final byte BLOCK2_EN = 0x04; //操作第2块
public static final byte NEEDSERIAL = 0x08; //仅对指定序列号的卡操作
public static final byte EXTERNKEY = 0x10; //使用函数时需指定密码，否则使用预存在读写器中的密码（该密码只能写入，无法读出，很安全）
public static final byte NEEDHALT = 0x20; //读卡或写卡后顺便休眠该卡，休眠后，卡必须拿离开感应区，再放回感应区，才能进行第二次操作。
public static void main(String[] args) throws Exception {
System.setProperty("jna.encoding", "gbk");
int status; //存放返回值
byte[] devicenumber = new byte[4];//4字节设备编号
byte myareano; //区号
byte authmode; //密码类型，用A密码或B密码
byte myctrlword; //控制字
byte[] mypicckey = new byte[6]; //6字节卡认证密码
byte[] mypiccserial = new byte[4];//4字节卡序列号
byte[] mypiccdata = new byte[48]; //48字节卡扇区数据缓冲
if (args.length == 0) {
System.out.println("请先输入运行参数！");
System.out.println("\n参数 0：驱动读卡器嘀一声");
System.out.println("\n参数 1：读取设备编号");
System.out.println("\n参数 2：轻松读卡，一次读出指定扇区内三块共48字节数据");
System.out.println("\n参数 3：轻松写卡,一次写指定扇区内三块共48字节数据");
System.out.println("\n参数 4：修改卡片的A密码+控制字+B密码");
System.out.println("\n参数 5：读取指定块共16个字节数据");
System.out.println("\n参数 6：写16个字节数据到指定块");
return;
}
//Java中只能使用string1.equals(string2)的方式来比较字符串
if (args[0].equals("0")) { //驱动读卡器发嘀一声
System.out.print("\n\n0-驱动读卡器嘀一声\n");
CLibrary.sdtapi.pcdbeep(50);
System.out.print("结果:如果能听到读卡器嘀一声表示成功，否则请检查读卡器是否已连上线！\n\n");
} else if (args[0].equals("1")) //读取设备编号，可做为软件加密狗用,也可以根据此编号在公司网站上查询保修期限
{
status = (int) (CLibrary.sdtapi.pcdgetdevicenumber(devicenumber) & 0xff);//& 0xff用于转为无符号行数据
System.out.print("\n\n1-读取设备编号\n");
System.out.print("结果:");
if (status == 0) {
CLibrary.sdtapi.pcdbeep(38);
System.out.print("读取成功!设备编号为" + (devicenumber[0] & 0xff) + "-" + (devicenumber[1] & 0xff) + "-" + (devicenumber[2] & 0xff) + "-" + (devicenumber[3] & 0xff));
System.out.print("\n\n");
} else {
PrintErrInf(status); //错误代码提示
}
} else if (args[0].equals("2")) { //轻松读卡，一次读出指定扇区内三块共48字节数据
myctrlword = (byte) (BLOCK0_EN + BLOCK1_EN + BLOCK2_EN + EXTERNKEY); //控制字指定,控制字的含义请查看本公司网站提供的动态库说明
myareano = 8; //指定为第8区
authmode = 1; //指定卡密码认证模式，大于0表示用A密码认证，推荐用A密码认证
mypicckey[0] = (byte) 0xff; //指定6字世的卡认证密码
mypicckey[1] = (byte) 0xff;
mypicckey[2] = (byte) 0xff;
mypicckey[3] = (byte) 0xff;
mypicckey[4] = (byte) 0xff;
mypicckey[5] = (byte) 0xff;
status = (int) (CLibrary.sdtapi.piccreadex(myctrlword, mypiccserial, myareano, authmode, mypicckey, mypiccdata) & 0xff);
System.out.print("\n\n2-轻松读卡\n");
if (status == 0) {
CLibrary.sdtapi.pcdbeep(38);
System.out.print("读卡成功，卡序列号：" + Integer.toHexString(mypiccserial[0] & 0xff) + "-" + Integer.toHexString(mypiccserial[1] & 0xff) + "-" + Integer.toHexString(mypiccserial[2] & 0xff) + "-" + Integer.toHexString(mypiccserial[3] & 0xff));
String ReadBuff = "";
for (int i = 0; i < 48; i++) {
String bytestr = "00" + Integer.toHexString(mypiccdata[i] & 0xff);
ReadBuff = ReadBuff + bytestr.substring(bytestr.length() - 2, bytestr.length()) + " ";
}
System.out.print("\n扇区内数据：" + ReadBuff);
} else {
PrintErrInf(status); //错误代码提示
}
} else if (args[0].equals("3")) { //轻松写卡,一次写指定扇区内三块共48字节数据
myctrlword = (byte) (BLOCK0_EN + BLOCK1_EN + BLOCK2_EN + EXTERNKEY); //控制字指定,控制字的含义请查看本公司网站提供的动态库说明
myareano = 8; //指定为第8区
authmode = 1; //指定卡密码认证模式，大于0表示用A密码认证，推荐用A密码认证
mypicckey[0] = (byte) 0xff; //指定6字世的卡认证密码
mypicckey[1] = (byte) 0xff;
mypicckey[2] = (byte) 0xff;
mypicckey[3] = (byte) 0xff;
mypicckey[4] = (byte) 0xff;
mypicckey[5] = (byte) 0xff;
//写中文或字母数字等字符信息，将要写入的字符转ASCII码写入
String WriteStr = "伟大的中华人民共和国万岁！1949-10-01 "; //将要写入的文字生成字节数组
byte[] WriteBuf = WriteStr.getBytes("gb2312");
for (int i = 0; i < 48; i++) { //指定写卡数据，最长48个字节
mypiccdata[i] = WriteBuf[i];
}
status = (int) (CLibrary.sdtapi.piccwriteex(myctrlword, mypiccserial, myareano, authmode, mypicckey, mypiccdata) & 0xff);
System.out.print("\n\n3-轻松写卡\n");
if (status == 0) {
CLibrary.sdtapi.pcdbeep(38);
System.out.print("写卡成功,卡序列号:" + Integer.toHexString(mypiccserial[0] & 0xff) + "-" + Integer.toHexString(mypiccserial[1] & 0xff) + "-" + Integer.toHexString(mypiccserial[2] & 0xff) + "-" + Integer.toHexString(mypiccserial[3] & 0xff));
System.out.print("\n\n");
} else {
PrintErrInf(status); //错误代码提示
}
} else if (args[0].equals("4")) { //修改卡片的A密码+控制字+B密码
byte[] mypiccoldkey = new byte[6];//卡旧密码
byte[] mypiccnewkey = new byte[17];//卡新A密码+控制字+B密码
myctrlword = (byte) (BLOCK0_EN + BLOCK1_EN + BLOCK2_EN + EXTERNKEY); //控制字指定,控制字的含义请查看本公司网站提供的动态库说明
myareano = 8; //指定为第8区
authmode = 1; //指定卡密码认证模式，大于0表示用A密码认证，推荐用A密码认证
mypiccoldkey[0] = (byte) 0xff; //指定6字节的卡认证密码
mypiccoldkey[1] = (byte) 0xff;
mypiccoldkey[2] = (byte) 0xff;
mypiccoldkey[3] = (byte) 0xff;
mypiccoldkey[4] = (byte) 0xff;
mypiccoldkey[5] = (byte) 0xff;
mypiccnewkey[0] = (byte) 0xff; //6字节的新A密码
mypiccnewkey[1] = (byte) 0xff;
mypiccnewkey[2] = (byte) 0xff;
mypiccnewkey[3] = (byte) 0xff;
mypiccnewkey[4] = (byte) 0xff;
mypiccnewkey[5] = (byte) 0xff;
mypiccnewkey[6] = (byte) 0xff; //4字节的控制字，除非您能确定了解不要随便更改，否则卡报废
mypiccnewkey[7] = (byte) 0x07;
mypiccnewkey[8] = (byte) 0x80;
mypiccnewkey[9] = (byte) 0x69;
mypiccnewkey[10] = (byte) 0xff; //6字节的新B密码
mypiccnewkey[11] = (byte) 0xff;
mypiccnewkey[12] = (byte) 0xff;
mypiccnewkey[13] = (byte) 0xff;
mypiccnewkey[14] = (byte) 0xff;
mypiccnewkey[15] = (byte) 0xff;
mypiccnewkey[16] = (byte) 0x03; //功能码：3 表示同时更改A、B 密码及权限访问字；2 表示密码权限访问字不更改，只改A、B密码；0 示只改A密码
status = (int) (CLibrary.sdtapi.piccchangesinglekeyex(myctrlword, mypiccserial, myareano, authmode, mypiccoldkey, mypiccnewkey) & 0xff);
System.out.print("\n\n4-更改卡密码\n");
if (status == 0) {
CLibrary.sdtapi.pcdbeep(38);
System.out.print("卡密码更改成功,卡序列号:" + Integer.toHexString(mypiccserial[0] & 0xff) + "-" + Integer.toHexString(mypiccserial[1] & 0xff) + "-" + Integer.toHexString(mypiccserial[2] & 0xff) + "-" + Integer.toHexString(mypiccserial[3] & 0xff));
System.out.print("\n\n");
} else {
PrintErrInf(status); //错误代码提示
}
} else if (args[0].equals("5")) { //读取指定块共16个字节数据
byte myblock; //块号为区号*4+0、1、2、3，其中第3块为密码控制块
byte[] myblockdata = new byte[16]; //卡数据缓冲
myareano = 8; //指定为第8区
myblock = (byte) (myareano * 4 + 0); //第0块地址
authmode = 1; //指定卡密码认证模式，大于0表示用A密码认证，推荐用A密码认证
mypicckey[0] = (byte) 0xff; //指定6字世的卡认证密码
mypicckey[1] = (byte) 0xff;
mypicckey[2] = (byte) 0xff;
mypicckey[3] = (byte) 0xff;
mypicckey[4] = (byte) 0xff;
mypicckey[5] = (byte) 0xff;
status = (int) (CLibrary.sdtapi.piccrequest(mypiccserial) & 0xff);
if (status == 0) {
status = (int) (CLibrary.sdtapi.piccauthkey1(mypiccserial, myareano, authmode, mypicckey) & 0xff);
if (status == 0) {
status = (int) (CLibrary.sdtapi.piccread(myblock, myblockdata) & 0xff);
if (status == 0) {
CLibrary.sdtapi.pcdbeep(38);
System.out.print("\n5-读块成功，卡序列号：" + Integer.toHexString(mypiccserial[0] & 0xff) + "-" + Integer.toHexString(mypiccserial[1] & 0xff) + "-" + Integer.toHexString(mypiccserial[2] & 0xff) + "-" + Integer.toHexString(mypiccserial[3] & 0xff));
String ReadBuff = "";
for (int i = 0; i < 16; i++) {
String bytestr = "00" + Integer.toHexString(myblockdata[i] & 0xff);
ReadBuff = ReadBuff + bytestr.substring(bytestr.length() - 2, bytestr.length()) + " ";
}
System.out.print("\n块内数据：" + ReadBuff);
} else {
PrintErrInf(status); //错误代码提示
}
} else {
PrintErrInf(status); //错误代码提示
}
} else {
PrintErrInf(status); //错误代码提示
}
} else if (args[0].equals("6")) { //写指定块共16个字节数据
byte myblock; //块号为区号*4+0、1、2、3，其中第3块为密码控制块
byte blockid;
byte[] myblockdata = new byte[16]; //卡数据缓冲
myareano = 8; //指定为第8区
blockid = 0; //块号,3块为密码块
myblock = (byte) (myareano * 4 + blockid);//块地址
authmode = 1; //指定卡密码认证模式，大于0表示用A密码认证，推荐用A密码认证
mypicckey[0] = (byte) 0xff; //指定6字世的卡认证密码
mypicckey[1] = (byte) 0xff;
mypicckey[2] = (byte) 0xff;
mypicckey[3] = (byte) 0xff;
mypicckey[4] = (byte) 0xff;
mypicckey[5] = (byte) 0xff;
if (blockid < 3) {
for (int i = 0; i < 16; i++) {
myblockdata[i] = (byte) (i);
}
} else {
System.out.print("第三块为密码块，推荐使用piccchangesinglekeyex函数");
System.exit(1);
}
status = (int) (CLibrary.sdtapi.piccrequest(mypiccserial) & 0xff);
if (status == 0) {
status = (int) (CLibrary.sdtapi.piccauthkey1(mypiccserial, myareano, authmode, mypicckey) & 0xff);
if (status == 0) {
status = (int) (CLibrary.sdtapi.piccwrite(myblock, myblockdata) & 0xff);
if (status == 0) {
CLibrary.sdtapi.pcdbeep(38);
System.out.print("\n6-写块成功，卡序列号：" + Integer.toHexString(mypiccserial[0] & 0xff) + "-" + Integer.toHexString(mypiccserial[1] & 0xff) + "-" + Integer.toHexString(mypiccserial[2] & 0xff) + "-" + Integer.toHexString(mypiccserial[3] & 0xff));
} else {
PrintErrInf(status); //错误代码提示
}
} else {
PrintErrInf(status); //错误代码提示
}
} else {
PrintErrInf(status); //错误代码提示
}
} else if (args[0].equals("7")) { //写新UID
myctrlword = (byte) (BLOCK0_EN + BLOCK1_EN + BLOCK2_EN + EXTERNKEY); //控制字指定,控制字的含义请查看本公司网站提供的动态库说明
authmode = 1; //指定卡密码认证模式，大于0表示用A密码认证，推荐用A密码认证
mypicckey[0] = (byte) 0xFF; //指定6字世的卡认证密码
mypicckey[1] = (byte) 0xFF;
mypicckey[2] = (byte) 0xFF;
mypicckey[3] = (byte) 0xFF;
mypicckey[4] = (byte) 0xFF;
mypicckey[5] = (byte) 0xFF;
int NewUid=123456789;
byte[] UidByte=int2byte(NewUid);
byte crcbyte=(byte) (UidByte[0] ^ UidByte[1]^ UidByte[2]^ UidByte[3]);
byte[] myblockdata = new byte[16]; //卡数据缓冲
for(int i=0;i<4;i++){
myblockdata[i]=UidByte[i];
}
myblockdata[4]=crcbyte;
status = (int) (CLibrary.sdtapi.piccwriteserial(myctrlword,mypiccserial,authmode,mypicckey,myblockdata) & 0xff);
if(status == 0){
status = (int) (CLibrary.sdtapi.piccrequest(mypiccserial) & 0xff);
if(status == 0){
CLibrary.sdtapi.pcdbeep(38);
System.out.print("\n6-写块成功，16进制卡序列号：" + Integer.toHexString(mypiccserial[0] & 0xff) + "-" + Integer.toHexString(mypiccserial[1] & 0xff) + "-" + Integer.toHexString(mypiccserial[2] & 0xff) + "-" + Integer.toHexString(mypiccserial[3] & 0xff));
System.out.print("\n转10进制卡号："+ toIntLH(mypiccserial));
}
}
}
}
//---------------------------------------------------------------------------------整数转4字节数组
public static byte[] int2byte(int res) {
byte[] targets = new byte[4];
targets[0] = (byte) (res & 0xff);// 最低位
targets[1] = (byte) ((res >> 8) & 0xff);// 次低位
targets[2] = (byte) ((res >> 16) & 0xff);// 次高位
targets[3] = (byte) (res >>> 24);// 最高位,无符号右移。
return targets;
}
//----------------------------------------------------------------------------------数组转整数高位在前
public static int toIntHL(byte[] b){
int res = 0;
for(int i=0;i