脚本宝典收集整理的这篇文章主要介绍了Diffle-Human密钥交换（信息安全）--java版本，脚本宝典觉得挺不错的，现在分享给大家，也给大家做个参考。
import java.io.FileinputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.math.BigInteger;
import java.securITy.InvalidAlgorithmParameterException;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.NoSuchAlgorithmException;
import java.security.PRivateKey;
import java.security.PublicKey;
import javax.crypto.KeyAgreement;
import javax.crypto.sPEc.DHParameterSpec;
import javax.crypto.spec.SecretKeySpec;
private final static byte skip1024Modulusbytes[]={ (byte)0xF4, (byte)0x88, (byte)0xFD, (byte)0x58, (byte)0x4E, (byte)0x49, (byte)0xDB, (byte)0xCD, (byte)0x20, (byte)0xB4, (byte)0x9D, (byte)0xE4, (byte)0x91, (byte)0x07, (byte)0x36, (byte)0x6B, (byte)0x33, (byte)0x6C, (byte)0x38, (byte)0x0D, (byte)0x45, (byte)0x1D, (byte)0x0F, (byte)0x7C, (byte)0x88, (byte)0xB3, (byte)0x1C, (byte)0x7C, (byte)0x5B, (byte)0x2D, (byte)0x8E, (byte)0xF6, (byte)0xF3, (byte)0xC9, (byte)0x23, (byte)0xC0, (byte)0x43, (byte)0xF0, (byte)0xA5, (byte)0x5B, (byte)0x18, (byte)0x8D, (byte)0x8E, (byte)0xBB, (byte)0x55, (byte)0x8C, (byte)0xB8, (byte)0x5D, (byte)0x38, (byte)0xD3, (byte)0x34, (byte)0xFD, (byte)0x7C, (byte)0x17, (byte)0x57, (byte)0x43, (byte)0xA3, (byte)0x1D, (byte)0x18, (byte)0x6C, (byte)0xDE, (byte)0x33, (byte)0x21, (byte)0x2C, (byte)0xB5, (byte)0x2A, (byte)0xFF, (byte)0x3C, (byte)0xE1, (byte)0xB1, (byte)0x29, (byte)0x40, (byte)0x18, (byte)0x11, (byte)0x8D, (byte)0x7C, (byte)0x84, (byte)0xA7, (byte)0x0A, (byte)0x72, (byte)0xD6, (byte)0x86, (byte)0xC4, (byte)0x03, (byte)0x19, (byte)0xC8, (byte)0x07, (byte)0x29, (byte)0x7A, (byte)0xCA, (byte)0x95, (byte)0x0C, (byte)0xD9, (byte)0x96, (byte)0x9F, (byte)0xAB, (byte)0xD0, (byte)0x0A, (byte)0x50, (byte)0x9B, (byte)0x02, (byte)0x46, (byte)0xD3, (byte)0x08, (byte)0x3D, (byte)0x66, (byte)0xA4, (byte)0x5D, (byte)0x41, (byte)0x9F, (byte)0x9C, (byte)0x7C, (byte)0xBD, (byte)0x89, (byte)0x4B, (byte)0x22, (byte)0x19, (byte)0x26, (byte)0xBA, (byte)0xAB, (byte)0xA2, (byte)0x5E, (byte)0xC3, (byte)0x55, (byte)0xE9, (byte)0x2F, (byte)0x78, (byte)0xC7 }; // The skip 1024 bit modulus
/*转载请注明：www.panmum.com*/ private static final BigInteger skip1024Modulus=new BigInteger(1,skip1024ModulusBytes); private static final BigInteger skip1024Base=BigInteger.valueOf(2); DHParameterSpec DHP=new DHParameterSpec(skip1024Modulus,skip1024Base); byte []sb; public void makeKey(){ KeyPairGenerator kpg = null; try { kpg = KeyPairGenerator.getInstance("DH"); } catch (NoSuchAlgorithmException e1) { e1.printStackTrace(); } try { kpg.initialize(DHP);//初始化"DH",为其指定参数 } catch (InvalidAlgorithmParameterException e) { e.printStackTrace(); } KeyPair kp=kpg.generateKeyPair(); PublicKey pbk=kp.getPublic(); PrivateKey prk=kp.getPrivate(); try { FileOutputStream f1 = new FileOutputStream("pbk.dat"); ObjectOutputStream out1 = null; try { out1 = new ObjectOutputStream(f1); } catch (IOException e) { e.printStackTrace(); } try { out1.writeObject(pbk); } catch (IOException e) { e.printStackTrace(); } } /*转载请注明：www.tengxunyun.me*/ catch (FileNotFoundException e) { e.printStackTrace(); } try { FileOutputStream f2= new FileOutputStream("prk.dat"); ObjectOutputStream out2 = null; try { out2 = new ObjectOutputStream(f2); } catch (IOException e) { e.printStackTrace(); } try { out2.writeObject(prk); } catch (IOException e) { e.printStackTrace(); } } catch (FileNotFoundException e) { e.printStackTrace(); } } public void shareKey(){ PublicKey pbk=null; PrivateKey prk = null; try { FileInputStream f1= new FileInputStream("pbk.dat"); ObjectInputStream in1 = null; try { in1 = new ObjectInputStream(f1); } catch (IOException e) { e.printStackTrace(); } /*转载请注明：www.quzhuanpan.com*/ try { try { pbk=(PublicKey)in1.readObject(); } catch (ClassNotFoundException e) { e.printStackTrace(); } } catch (IOException e) { e.printStackTrace(); } } catch (FileNotFoundException e) { e.printStackTrace(); } try { FileInputStream f2= new FileInputStream("prk.dat"); ObjectInputStream in2 = null; try { in2 = new ObjectInputStream(f2); } catch (IOException e) { e.printStackTrace(); } try { try { prk=(PrivateKey)in2.readObject(); } catch (ClassNotFoundException e) { e.printStackTrace(); } } catch (IOException e) { e.printStackTrace(); } } catch (FileNotFoundException e) { e.printStackTrace(); } try { KeyAgreement ka=KeyAgreement.getInstance("DH"); ka.init(prk);//用自己的私钥初始化秘药协定对象 ka.doPhase(pbk, true); sb=ka.generateSecret(); SecretKeySpec k=new SecretKeySpec(sb,"DESede"); } catch (Exception e) { e.printStackTrace(); } } public void printShareInformation(){ System.out.println("Share Information:"); for(int i=0;i<sb.length;i++){ System.out.print(sb[i]+","); } } }
package hao.ning;
public class Main {
public static @H_638_@R_406_2568@@void main(String args[]){ Key_DH k_dh=new Key_DH(); k_dh.makeKey(); k_dh.shareKey(); k_dh.printShareInformation(); } }
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