Google 如何修复 TrustManager 实施方式不安全的应用

引用谷歌市场的帮助说明:https://support.google.com/faqs/answer/6346016

本文面向的是发布的应用中 X509TrustManager 接口实施方式不安全的开发者。具体而言,该问题是指在与远程主机建立 HTTPS 连接时实施方式会忽略所有 SSL 证书验证错误,从而使您的应用容易受到中间人攻击。攻击者可能会读取传输的数据(例如登录凭据),甚至更改通过 HTTPS 连接传输的数据。要查看受影响应用的完整列表,请访问开发者控制台

为了正确处理 SSL 证书验证,请更改您的自定义 X509TrustManager 接口的 checkServerTrusted 方法中的代码,指定在服务器提供的证书不符合您的预期时生成 CertificateExceptionIllegalArgumentException 错误。如有技术问题,您可以在 Stack Overflow 上发帖咨询(使用“android-security”和“TrustManager”标签)。

请尽快解决此问题并增加升级版 APK 的版本号。从 2016 年 5 月 17 日起,Google Play 将禁止发布 X509TrustManager 接口实施方式不安全的任何新应用或应用更新。

要确认您所做的更改是否正确,请将更新后的应用版本提交至开发者控制台,并在 5 小时后回来查看。如果应用并未正确升级,系统将会显示警告。

尽管这些具体问题可能不会影响每个实施 TrustManager 接口的应用,但您最好不要忽略任何 SSL 证书验证错误。如果应用包含会让用户面临入侵风险的安全漏洞,那么我们可能会将其视为危险产品,因其违反了内容政策和开发者分发协议第 4.4 条的相关规定。

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全文搜索X509TrustManager,结果发现在 proguard 文件夹下的 dump.txt 文件中出现了

1、

_____________________________________________________________________

+ Program class: com/baidu/b/a/f

  Superclass:    java/lang/Object

  Major version: 0x32

  Minor version: 0x0

  Access flags:  0x20

    = class com.baidu.b.a.f extends java.lang.Object

 

Interfaces (count = 1):

  + Class [javax/net/ssl/X509TrustManager]

Constant Pool (count = 34):

  + Class [com/baidu/b/a/d]

  + Class [com/baidu/b/a/d$b]

  + Class [com/baidu/b/a/f]

  + Class [java/lang/Object]

  + Class [java/security/cert/CertificateException]

  + Class [javax/net/ssl/X509TrustManager]

解决方法:更新百度地图的 Sdk

参考:http://developer.baidu.com/announcement/394

2、

_____________________________________________________________________

+ Program class: com/loopj/android/http/MySSLSocketFactory$1

  Superclass:    java/lang/Object

  Major version: 0x32

  Minor version: 0x0

  Access flags:  0x20

    = class com.loopj.android.http.MySSLSocketFactory$1 extends java.lang.Object

 

Interfaces (count = 1):

  + Class [javax/net/ssl/X509TrustManager]

Constant Pool (count = 41):

  + Class [com/loopj/android/http/MySSLSocketFactory]

  + Class [com/loopj/android/http/MySSLSocketFactory$1]

  + Class [java/lang/Object]

  + Class [java/security/cert/CertificateException]

  + Class [javax/net/ssl/X509TrustManager]

解决方法:

AsyncHttpClient

 3 新浪微博

 1     public static class MySSLSocketFactory extends SSLSocketFactory {
 2         SSLContext sslContext = SSLContext.getInstance("TLS");
 3 
 4         public MySSLSocketFactory(KeyStore truststore)
 5                 throws NoSuchAlgorithmException, KeyManagementException, KeyStoreException, UnrecoverableKeyException {
 6             super(truststore);
 7 
 8             TrustManager tm = new X509TrustManager() {
 9                 public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
10                 }
11 
12                 public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
13                     try {
14                         chain[0].checkValidity();
15                     } catch (Exception e) {
16                         throw new CertificateException("Certificate not valid or trusted.");
17                     }
18                 }
19 
20                 public X509Certificate[] getAcceptedIssuers() {
21                     return null;
22                 }
23             };
24 
25             sslContext.init(null, new TrustManager[] { tm }, null);
26         }
27 
28         @Override
29         public Socket createSocket(Socket socket, String host, int port, boolean autoClose)
30                 throws IOException, UnknownHostException {
31             return sslContext.getSocketFactory().createSocket(socket, host, port, autoClose);
32         }
33 
34         @Override
35         public Socket createSocket() throws IOException {
36             return sslContext.getSocketFactory().createSocket();
37         }
38     }

解决方法:

checkServerTrusted 添加检查证书有效性(加粗部分)

原文地址:https://www.cnblogs.com/jinglecode/p/5442740.html