RSA 公钥算法Java代码(带界面)

RSA公钥加密算法代码
package .rsa.service;
public class UnPrimeException extends Exception{
public UnPrimeException() {
}
public UnPrimeException(String message) {
super(message);
}
public UnPrimeException(Throwable cause) {
super(cause);
}
public UnPrimeException(String message, Throwable cause) {
super(message, cause);
}
}
------------------------------------------------------------------------------------------------ package .rsa.service;
public interface DataInfo {
public MyData sendData(long p, long q, long public_key, long deprime)throws UnPrimeException;
}
-------------------------------------------------------------------------------------------------- package .rsa.service;
public class DataDeal implements DataInfo{
@Override
public MyData sendData(long p, long q, long public_key, long deprime) throws UnPrimeException {
MyData data ;
if (!this.primeNumber(q)||!this.primeNumber(q)){
throw new UnPrimeException("非素数，请重新输入！") ;
}else if((deprime >= this.getF(p,q)) ||
(this.gcd(this.getF(p, q),deprime)!=1)){
throw new UnPrimeException("输入的公钥不符合条件！") ;
}else{
data = new MyData(p, q,public_key, deprime) ;
}
return data ;
}
//判断是否为素数
public boolean primeNumber(long t){
long k=0;
k=(long)Math.sqrt((double)t);
boolean flag=true;
outer:for(int i=2;i<=k;i++){
if((t%i)==0){
flag = false;
break outer;
}
}
return flag;
}
private long gcd(long a, long b){//最大公约数
long gcd;
if(b==0)gcd=a;
else gcd=gcd(b,a%b);
return gcd;
}
private long getF(long p, long q){
return (p - 1)*(q -1) ;
}
}
---------------------------------------------------------------------------------------------------------
package .rsa.service;
public class MyData {
private long p;
private long q;
private long public_key ;
private long deprime ;
public MyData() {
super();
}
public MyData(long p, long q, long public_key, long deprime) {
super();
this.p = p;
this.q = q;
this.public_key = public_key;
this.deprime = deprime;
}
public long getP() {
return p;
}
public void setP(long p) {
this.p = p;
}
public long getQ() {
return q;
}
public void setQ(long q) {
this.q = q;
}
public long getDeprime() {
return deprime;
}
public void setDeprime(long deprime) {
this.deprime = deprime;
}
public long getPublic_key() {
return public_key;
}
public void setPublic_key(long public_key) { this.public_key = public_key;
}
public boolean toPrime(){//判断最大公约数是否为1 if(this.gcd(p, q) != 1)
return false ;
return true ;
}
//求最大公约数
public long gcd(long a, long b){
long gcd;
if(b==0)gcd=a;
else gcd=gcd(b,a%b);
return gcd;
}
public long getN(){
return p*q ;
}
public long getF(){
return (p - 1)*(q -1) ;
}
public long colum(long y,long n,long key){ //加密/解密
long mul;
if(key==1)mul=y%n;
else mul=y*this.colum(y,n,key-1)%n;
return mul;
}
//计算得到密匙
public long getPrivate_key(){
long f = this.getF() ;
long private_key = 1;
long value=1;
for(long i=1;;i++){
value=i*f+1;
if((value%this.public_key==0)&& (value/this.public_key < f)){ private_key=value/this.public_key;
break ;
}
}
return private_key ;
}
//得到密文
public long getMyPrime(){
return this.colum(this.deprime, this.getN(), this.public_key) ;
}
public String getStrPrime(){
return Long.toString(this.getMyPrime()) ;
}
//得到解密的文件
public long getMyDeprime(){
return this.colum(this.getMyPrime(), this.getN(), this.getPrivate_key()) ;
}
public String getStrDeprime(){
return Long.toString(this.getMyDeprime()) ;
}
}
---------------------------------------------------------------------------------------------------------
package .rsa.frame;
import java.awt.BorderLayout;
import ponent;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
import javax.swing.border.EmptyBorder;
public class SenderFrame extends JFrame{
/**
*
*/
private static final long serialVersionUID = 1L;
public SenderFrame(){
init() ;
}
public void init(){
setTitle("Sender");
setSize(300, 220);
setContentPane(createContentPane());
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
client.exit(SenderFrame.this) ;
}
});
}
private JPanel createContentPane(){
JPanel p = new JPanel(new BorderLayout());
p.add(BorderLayout.NORTH,
new JLabel("发送数据", JLabel.CENTER));
p.add(BorderLayout.CENTER, createCenterPane());
p.add(BorderLayout.SOUTH, createBtnPane());
p.setBorder(new EmptyBorder(6,6,6,6));
return p;
}
private JPanel createCenterPane(){
JPanel p= new JPanel(new BorderLayout());
p.add(BorderLayout.NORTH, createIdPwdPane());
p.setBorder(new EmptyBorder(6,6,6,6));
return p;
}
private JPanel createIdPwdPane() {
JPanel p= new JPanel(new GridLayout(2, 2, 0, 6));
p.add(createP());
p.add(createQ()) ;
p.add(createPublic_key()) ;
p.add(createPrime());
return p;
}
private JPanel createP(){
JPanel p = new JPanel(new BorderLayout(5,0));
p.add(BorderLayout.WEST, new JLabel("素数p:"));
idP = new JPasswordField();
idP.enableInputMethods(true);
p.add(BorderLayout.CENTER, idP);
return p;
}
private JPanel createQ(){
JPanel p = new JPanel(new BorderLayout(5,0));
p.add(BorderLayout.WEST, new JLabel("素数q:"));
idQ = new JPasswordField();
idQ.enableInputMethods(true);
p.add(BorderLayout.CENTER, idQ);
return p;
}
private JPanel createPublic_key() {
JPanel p = new JPanel(new BorderLayout(5,0));
p.add(BorderLayout.WEST, new JLabel("公钥:"));
public_key = new JTextField();
p.add(BorderLayout.CENTER, public_key);
return p;
}
private JPanel createPrime() {
JPanel p = new JPanel(new BorderLayout(5,0));
p.add(BorderLayout.WEST, new JLabel("明文:"));
prime = new JTextField();
p.add(BorderLayout.CENTER, prime);
return p;
}
private JPanel createBtnPane(){
JPanel p= new JPanel(new FlowLayout());
JButton login = new JButton("发送");
JButton cancel = new JButton("取消");
p.add(login);
p.add(cancel);
getRootPane().setDefaultButton(login);
login.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {
client.send() ;
}
});
cancel.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e) {
client.exit(SenderFrame.this) ;
}
});
return p;
}
private Client client ;
public void setClient(Client client){
this.client = client ;
}
private JTextField public_key ;
private JTextField prime;
private JPasswordField idP;
private JPasswordField idQ;
public long getP(){
char[] str = idP.getPassword();
String s = new String(str);
return Integer.parseInt(s);
}
public long getQ(){
char[] q = idQ.getPassword();
String s = new String(q);
return Integer.parseInt(s) ;
}
public long getPrime(){
String str = prime.getText();
return Integer.parseInt(str);
}
public long getPublic_key(){
String str = public_key.getText();
return Integer.parseInt(str);
}
}
-----------------------------------------------------------------------------------------------------------
package .rsa.frame;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
public class ReceiverFrame extends JFrame{
/**
*
*/
private static final long serialVersionUID = 1L;
public ReceiverFrame(){
this.shows() ;
}
public void shows(){
setTitle("Receiver");
setSize(300, 180);
setContentPane(createContentPane());
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0) ;
}
});
}
private JPanel createContentPane(){
JPanel p = new JPanel(new BorderLayout());
p.add(BorderLayout.NORTH,
new JLabel("接收数据", JLabel.CENTER));
p.add(BorderLayout.CENTER, createCenterPane());
p.add(BorderLayout.SOUTH, createBtnPane());
p.setBorder(new EmptyBorder(6,6,6,6));
return p;
}
private JPanel createCenterPane(){
JPanel p= new JPanel(new BorderLayout());
p.add(BorderLayout.NORTH, createCipPane());
p.setBorder(new EmptyBorder(6,6,6,6));
return p;
}
private JPanel createCipPane() {
JPanel p= new JPanel(new GridLayout(2, 1, 0, 6));
p.add(createIdPane());
p.add(createPwdPane());
return p;
}
private JPanel createIdPane(){
JPanel p = new JPanel(new BorderLayout(5,0));
p.add(BorderLayout.WEST, new JLabel("密文:"));
cipField= new JLabel();
p.add(BorderLayout.CENTER, cipField);
return p;
}
private JPanel createPwdPane(){
JPanel p = new JPanel(new BorderLayout(5,0));
p.add(BorderLayout.WEST, new JLabel("解密:"));
decipField = new JLabel();
p.add(BorderLayout.CENTER, decipField);
return p;
}
private JPanel createBtnPane(){
JPanel p= new JPanel(new FlowLayout());
JButton button1 = new JButton("解密");
JButton button = new JButton("确认");
p.add(button1) ;
p.add(button);
getRootPane().setDefaultButton(button);
button1.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e) { client.showPrime(decipField) ;
}
});
button.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e) { System.exit(0) ;
}
});
return p;
}
private JLabel cipField ;
private JLabel decipField ;
public void updata(String pr){
cipField.setText(pr) ;
}
private Client client ;
public void setClient(Client client){
this.client = client ;
}
}
--------------------------------------------------------------------------------------------------------------
package .rsa.frame;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import .rsa.service.DataInfo;
import .rsa.service.MyData;
import .rsa.service.UnPrimeException;
public class Client {
private SenderFrame sender ;
private ReceiverFrame receiver ;
private DataInfo d ;
public void setData(DataInfo d){
this.d = d ;
}
public SenderFrame getSender() {
return sender;
}
public void setSender(SenderFrame sender) {
this.sender = sender;
}
public ReceiverFrame getReceiver() {
return receiver;
}
public void setReceiver(ReceiverFrame receiver) {
this.receiver = receiver;
}
public MyData send(){
MyData data = null;
try{
long end = System.currentTimeMillis() ;
long idP = sender.getP();
long idQ = sender.getQ();
long public_key = sender.getPublic_key() ;//公钥
long prime = sender.getPrime(); //明文
//发送成功
data = this.d.sendData(idP, idQ, public_key, prime) ;
sender.setVisible(false);
long begin = System.currentTimeMillis() ;
receiver.updata(data.getStrPrime()) ;
System.out.println("运行时间为：" + (end-begin));
receiver.setVisible(true);
System.out.println("p = " + sender.getP());
System.out.println("q = " + sender.getQ());
System.out.println("n = " + data.getN());
System.out.println("f = " + data.getF());
System.out.println("e = " + data.getPublic_key());
System.out.println("m = " + sender.getPrime());
System.out.println("d = " + data.getPrivate_key());
System.out.println("C = " + data.getMyPrime());
System.out.println("M = " + data.getMyDeprime());
}catch(NumberFormatException e){
e.printStackTrace();
JOptionPane.showMessageDialog(
sender, "输入数字!");
}catch(UnPrimeException e){
e.printStackTrace() ;
JOptionPane.showMessageDialog(
sender, e.getMessage());
}catch(Exception e){
e.printStackTrace();
JOptionPane.showMessageDialog(
sender, e.getMessage());
}
return data ;
}
public void showPrime(JLabel label){
MyData d = this.send() ;
long begin = System.currentTimeMillis() ;
label.setText(d.getStrDeprime()) ;
long end = System.currentTimeMillis() ;
System.out.println("运行时间为：" + (end-begin));
}
public void exit(JFrame frame){
int val =
JOptionPane.showConfirmDialog(frame, "亲，不发送啦?");
if(val==JOptionPane.YES_OPTION){
frame.setVisible(false);
System.exit(0);
}
}
}
-------------------------------------------------------------------------------------------------------------
package .rsa;
import .rsa.frame.Client;
import .rsa.frame.ReceiverFrame;
import .rsa.frame.SenderFrame;
import .rsa.service.DataDeal;
import .rsa.service.DataInfo;
public class RSAMain {
public static void main(String args[]){
SenderFrame sf = new SenderFrame() ;
Client client = new Client() ;
ReceiverFrame rf = new ReceiverFrame() ;
DataInfo di = new DataDeal() ;
sf.setClient(client) ;
rf.setClient(client) ;
client.setSender(sf) ;
client.setReceiver(rf) ;
client.setData(di) ;
sf.setVisible(true) ;
}
}。