?

SIPC的認證算法，支持SHA1和MD5。

?

import java.io.UnsupportedEncodingException;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.Random;

/**
?* @author zackel
?* @date 2007-11-22 21:38:07
?* @project?
?*/
public class GenAuthResponse {
?// Fields
?private String cnonce;
?private String domain;
?private String nonce;
?private String password;
?private static Random random;
?private String sid;
?private boolean usingSHA1=false;
?private String salt;
?private String encryptPassword;
?
?public void setSalt(String salt) {
??this.salt = salt;
?}

?public String getEncryptPassword() {
??return encryptPassword;
?}
?
?public void setEncryptPassword(String encryptPassword) {
??this.encryptPassword = encryptPassword;
?}
?
?public String getSalt() {
??return salt;
?}
?
//?public void setSalt(String salt) {
//?this.salt = salt;
//?}
?
?public boolean isUsingSHA1() {
??return usingSHA1;
?}
?
?public void setUsingSHA1(boolean usingSHA1) {
??this.usingSHA1 = usingSHA1;
?}
?
?public String getCnonce() {
??
??return this.cnonce;
?}
?
?public void setCnonce(String cnonce) {
??this.cnonce = cnonce;
?}
?
?public String getDomain() {
??return domain;
?}
?
?public void setDomain(String domain) {
??this.domain = domain;
?}
?
?public String getNonce() {
??return nonce;
?}
?
?public void setNonce(String nonce) {
??this.nonce = nonce;
?}
?
?public String getPassword() {
??return password;
?}
?
?public void setPassword(String password) {
??this.password = password;
?}
?
?public String getSid() {
??return sid;
?}
?
?public void setSid(String sid) {
??this.sid = sid;
?}
?
?// Methods
?public GenAuthResponse(String sid, String password, String domain, String nonce)
?{
??this.sid = sid;
??this.password = password;
??this.domain = domain;
??this.nonce = nonce;
??
??
??Calendar cal = new GregorianCalendar();
??int seed = cal.get(Calendar.DAY_OF_YEAR) * 0xf4240;
??seed += cal.get(Calendar.HOUR) * 0x2710;
??seed += cal.get(Calendar.MINUTE) * 100;
??seed += cal.get(Calendar.SECOND);
//??random = new Random(System.currentTimeMillis());???
??
??random = new Random(seed);
??this.cnonce = GenCNonce();
??this.salt=GenSalt();
//??System.out.println(salt);
?}
?
?private static String BinToHex(byte[] binary)
?{
//??StringBuilder builder = new StringBuilder();
//??for(byte num : binary)
//??{
//??int n = num;
//??if (n < 0)
//??n =? n &0xff;
//??
//??if ((int)n > 15)
//??{
//??builder.append(String.format("%X",n));
//??
//??}
//??else
//??{
//??builder.append(String.format("0%X",n));
//??
//??}
//??}
??System.out.println(builder.toString());
//??return builder.toString();
??if (binary == null)
???return "null";
??if (binary.length == 0)
???return "";
??
??StringBuilder buf = new StringBuilder();
??
??for (int i = 0; i < binary.length; i++) {
???if (binary[i] < 0)
????buf.append(Integer.toHexString(binary[i]&0xff));
???else if (binary[i] < 16) {
????buf.append('0');
????buf.append(Integer.toHexString(binary[i]));
???} else {
????buf.append(Integer.toHexString(binary[i]));
???}
??}
??
??return buf.toString().toUpperCase();
?}
?
?private String GenH1(byte[] key)
?{
??String s = String.format(":%s:%s", this.nonce, this.getCnonce());
//??System.out.println("nonce:"+this.nonce );
//??System.out.println("Cnonce:"+this.getCnonce());
//??System.out.println(s);
??byte[] bytes;
??try {
//???bytes = s.getBytes("UTF-8");
???bytes=new String(s.getBytes(),"utf-8").getBytes();
???
//???System.out.println("h1 bytes:"+this.BinToHex(bytes));
???byte[] array = new byte[key.length + bytes.length];
???System.arraycopy(key,0,array,0,key.length);
???System.arraycopy(bytes, 0, array, key.length, bytes.length);
???
//???System.out.println("h1 array:"+this.BinToHex(array));
???return MD5ToHex(array);
??} catch (UnsupportedEncodingException e) {
???e.printStackTrace();
??}
??return null;
??
?}
?
?private String GenH2()
?{
??String s = String.format("REGISTER:%s", this.sid);
//??System.out.println(s);
??try {
???
//???return MD5ToHex(s.getBytes("UTF-8"));
???return MD5ToHex(new String(s.getBytes(),"utf-8").getBytes());
??} catch (UnsupportedEncodingException e) {
???e.printStackTrace();
??}
??return null;
?}
?
?private byte[] GenKey()
?{
??if(this.usingSHA1==true){
???String s1 = String.format("%s:%s:", this.sid, this.domain);
//???System.out.println(s1);
???try {
????this.encryptPassword=DoHashPassword(this.password);
//????System.out.println("GenKey enc psw:");
//????System.out.println(this.encryptPassword);
????
????byte[] bytes=(new String(s1.getBytes(),"utf-8").getBytes());
//????System.out.println("GenKey bytes:"+BinToHex(bytes));
????byte[] src=this.HexToBin(this.encryptPassword.substring(8));//和C#定義不一樣？
//????System.out.println("psw0-8:"+BinToHex(src));
//????byte[] src=this.HexToBin(this.salt);
????byte[] dst=new byte[bytes.length +src.length ];
????System.arraycopy(bytes,0,dst,0,bytes.length);
????System.arraycopy(src,0,dst,bytes.length,src.length);
//????System.out.println("GenKey dst:"+BinToHex(dst));
????return? new SHA1().getDigestOfBytes(dst);
????
???} catch (UnsupportedEncodingException e) {
????// TODO 自動生成 catch 塊
????e.printStackTrace();
???}
???
??}
??String s = String.format("%s:%s:%s", this.sid, this.domain, this.password);
//??System.out.println(s);
??try {
//???return MD5(s.getBytes("UTF-8"));
???return MD5(new String(s.getBytes(),"utf-8").getBytes());
??} catch (UnsupportedEncodingException e) {
???
???e.printStackTrace();
??}
??return null;
?}
?
?public String GenResponse()
?{
??byte[] key = this.GenKey();
//??System.out.println("Key:");
//??System.out.println(this.BinToHex(key));
??String str = this.GenH1(key);
//??System.out.println("H1:");
//??System.out.println(str);
??String str2 = this.GenH2();
//??System.out.println("H2:");
//??System.out.println(str2);
??return this.GenResponse(str, str2);
?}
?
?private String GenResponse(String h1, String h2)
?{
??String s = String.format("%s:%s:%s", h1, this.nonce, h2);
//??System.out.println(s);
??try {
//???return MD5ToHex(s.getBytes("UTF-8"));
???return MD5ToHex(new String(s.getBytes(),"utf-8").getBytes());
??} catch (UnsupportedEncodingException e) {
???
???e.printStackTrace();
??}
??return null;
?}
?
?private String GenCNonce()
?{
??int num = 0;
??int num2 = 0;
??int num3 = 0;
??int num4 = 0;
??synchronized (random)
??{
???num = random.nextInt();
???num2 = random.nextInt();
???num3 = random.nextInt();
???num4 = random.nextInt();
??}
??if ((num >> 0x18) < 0x10)
??{
???
???num += 0x10000000;
??}
??if ((num2 >> 0x18) < 0x10)
??{
???num2 += 0x10000000;
??}
??if ((num3 >> 0x18) < 0x10)
??{
???num3 += 0x10000000;
??}
??if ((num4 >> 0x18) < 0x10)
??{
???num4 += 0x10000000;
??}
??return String.format("%X%X%X%X", new Object[] { num, num2, num3, num4 });
//??
?}
?
?
?private static byte[] HexToBin(String hex)
?{
??hex=hex.toUpperCase();
??if ((hex == null) || (hex.length() < 1))
??{
???return new byte[0];
??}
??int num = hex.length() / 2;
??byte[] buffer = new byte[num];
??num *= 2;
??for (int i = 0; i < num; i++)
??{
//???System.out.println(hex.substring(i, i+2));
???char c1,c2;
???c1=hex.substring(i,i+1).charAt(0);
???c2=hex.substring(i+1, i+2).charAt(0);
//???System.out.println(c1);
???if(c1>='A')
????c1=(char) (10+c1-'A');
???else
????c1=(char) (c1-'0');
???if(c2>='A')
????c2=(char) (10+c2-'A');
???else
????c2=(char) (c2-'0');
???
//???System.out.println(c1-'A');
//???System.out.println(c2);
//???System.out.println(c1*16+c2);
???int num3=c1*16+c2;
//???int num3 = Integer.parseInt(hex.substring(i, i+2));
???buffer[i / 2] = (byte) num3;
???i++;
???
??}
//??System.out.println(BinToHex(buffer));
??return buffer;
?}
?
?private byte[] MD5(byte[] data)
?{
??return MD5Util.MD5Encode(data);
?}
?
?private String MD5ToHex(byte[] data)
?{
//??data = MD5(data);
??return BinToHex(MD5(data));
?}
?
?public String DoHashPassword(String _password){
??try {
???return DoHashPassword(new String(_password.getBytes(),"utf-8").getBytes(),this.HexToBin(this.salt));
??} catch (UnsupportedEncodingException e) {
???e.printStackTrace();
??}
??return null;
??
?}
?public String DoHashPassword(byte[] password, byte[] b0)
?{
??SHA1 sha=SHA1.Create();
??
??
??byte[] src = sha.getDigestOfBytes(password);
//??System.out.println("psw sha1:");
//??System.out.println(this.BinToHex(src));
??for (int i = 0; i < password.length; i++)
??{
???password[i] = 0;
??}
??byte[] dst = new byte[b0.length + src.length];
??System.arraycopy(b0, 0, dst, 0, b0.length);
??System.arraycopy(src, 0, dst, b0.length, src.length);
??byte[] buffer3 = sha.getDigestOfBytes(dst);
??
//??System.out.println("buffer3 sha1:");
//??System.out.println(this.BinToHex(buffer3));
??
??byte[] buffer4 = new byte[b0.length + buffer3.length];
??System.arraycopy(b0, 0, buffer4, 0, b0.length);
??System.arraycopy(buffer3, 0, buffer4, b0.length, buffer3.length);
//??System.out.println("enc psw:");
//??System.out.println(this.BinToHex(buffer4));
??
??return this.BinToHex(buffer4);
??
?}
?
?public String GenSalt(){
??byte[] salt = new byte[4];
??
??synchronized (random)
??{
???salt[0] = (byte)random.nextInt(255);
???salt[1] = (byte)random.nextInt(255);
???salt[2] = (byte)random.nextInt(255);
???salt[3] = (byte)random.nextInt(255);
//???System.out.println(salt[3]);
???return this.BinToHex(salt);
//???return salt;
??}
??
??
??
?}
//?public static String EncodePassword(byte[] password, byte[] b0)
//?{
//?using (SHA1 sha = SHA1.Create())
//?{
//?byte[] src = sha.ComputeHash(password);
//?for (int i = 0; i < password.Length; i++)
//?{
//?password[i] = 0;
//?}
//?byte[] dst = new byte[b0.Length + src.Length];
//?Buffer.BlockCopy(b0, 0, dst, 0, b0.Length);
//?Buffer.BlockCopy(src, 0, dst, b0.Length, src.Length);
//?byte[] buffer3 = sha.ComputeHash(dst);
//?byte[] buffer4 = new byte[b0.Length + buffer3.Length];
//?Buffer.BlockCopy(b0, 0, buffer4, 0, b0.Length);
//?Buffer.BlockCopy(buffer3, 0, buffer4, b0.Length, buffer3.Length);
//?return BinaryToHex(buffer4);
//?}
//?}
//?public static String BinaryToHex(byte[] binary)
//?{
//?StringBuilder builder = new StringBuilder();
//?for(byte num:binary)
//?{
//?if (num > 15)
//?{
//?builder.("{0:X}", num);
//?}
//?else
//?{
//?builder.AppendFormat("0{0:X}", num);
//?}
//?}
//?return builder.toString();
//?}
?
//?public static void main(String[] args){
//??GenAuthResponse genAuthResponse=new GenAuthResponse("759909","A","fetion.com.cn", "250BA679516452E860C02B1638D52849");
//??genAuthResponse.setUsingSHA1(true);
//??genAuthResponse.setCnonce("798AC8BD240DABB21C9259C8148373F2");
//??genAuthResponse.setSalt("FD761703");
//??
??genAuthResponse.HexToBin("E0FF0100");
//??System.out.println(genAuthResponse.GenResponse());
??System.out.println(genAuthResponse.getCnonce());
//??
??Random random = new Random(10);
??int i=random.nextInt(9);
//??int num3;
??System.out.println(num3 = Integer.parseInt("0x5A"));
//??
//?}
}

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