You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
63 lines
2.1 KiB
63 lines
2.1 KiB
package com.inspect.tcpserver.sip.utils;
|
|
|
|
import java.nio.charset.StandardCharsets;
|
|
import java.security.MessageDigest;
|
|
import java.security.NoSuchAlgorithmException;
|
|
import java.util.Formatter;
|
|
|
|
public class DigestUtil {
|
|
|
|
/**
|
|
* 计算Digest响应值
|
|
* @param username 用户名
|
|
* @param password 密码
|
|
* @param realm 域
|
|
* @param nonce 随机数
|
|
* @param method SIP请求方法，如REGISTER
|
|
* @param uri 请求URI
|
|
* @param nc 请求计数（可以传null或"00000001"初始值）
|
|
* @param cnonce 客户端随机串（可传null）
|
|
* @param qop 质量保护参数（可传null）
|
|
* @return response摘要字符串
|
|
*/
|
|
public static String computeResponse(String username, String password, String realm, String nonce,
|
|
String method, String uri, String nc, String cnonce, String qop) {
|
|
try {
|
|
String ha1 = md5Hex(username + ":" + realm + ":" + password);
|
|
String ha2 = md5Hex(method + ":" + uri);
|
|
|
|
String response;
|
|
if (qop != null && (qop.equals("auth") || qop.equals("auth-int"))) {
|
|
response = md5Hex(ha1 + ":" + nonce + ":" + nc + ":" + cnonce + ":" + qop + ":" + ha2);
|
|
} else {
|
|
response = md5Hex(ha1 + ":" + nonce + ":" + ha2);
|
|
}
|
|
return response;
|
|
} catch (Exception e) {
|
|
throw new RuntimeException("Failed to compute digest response", e);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* MD5加密，返回16进制字符串
|
|
*/
|
|
private static String md5Hex(String data) throws NoSuchAlgorithmException {
|
|
MessageDigest md = MessageDigest.getInstance("MD5");
|
|
byte[] digest = md.digest(data.getBytes(StandardCharsets.UTF_8));
|
|
return byteArrayToHexString(digest);
|
|
}
|
|
|
|
/**
|
|
* 将字节数组转为16进制字符串
|
|
*/
|
|
private static String byteArrayToHexString(byte[] bytes) {
|
|
Formatter formatter = new Formatter();
|
|
for (byte b : bytes) {
|
|
formatter.format("%02x", b);
|
|
}
|
|
String res = formatter.toString();
|
|
formatter.close();
|
|
return res;
|
|
}
|
|
}
|
|
|