需要将下列代码编译运行：
1 import java.io.BufferedReader;
2 import java.io.File;
3 import java.io.FileInputStream;
4 import java.io.FileOutputStream;
5 import java.io.InputStream;
6 import java.io.InputStreamReader;
7 import java.io.OutputStream;
8 import java.security.KeyStore;
9 import java.security.MessageDigest;
10 import java.security.cert.CertificateException;
11 import java.security.cert.X509Certificate;
12
13 import javax.net.ssl.SSLContext;
14 import javax.net.ssl.SSLException;
15 import javax.net.ssl.SSLSocket;
16 import javax.net.ssl.SSLSocketFactory;
17 import javax.net.ssl.TrustManager;
18 import javax.net.ssl.TrustManagerFactory;
19 import javax.net.ssl.X509TrustManager;
20
21 public class InstallCert {
22
23 public static void main(String[] args) throws Exception {
24 String host;
25 int port;
26 char[] passphrase;
27 if ((args.length == 1) || (args.length == 2)) {
28 String[] c = args[0].split(":");
29 host = c[0];
30 port = (c.length == 1) ? 443 : Integer.parseInt(c[1]);
31 String p = (args.length == 1) ? "changeit" : args[1];
32 passphrase = p.toCharArray();
33 } else {
34 System.out
35 .println("Usage: java InstallCert <host>[:port] [passphrase]");
36 return;
37 }
38
39 File file = new File("jssecacerts");
40 if (file.isFile() == false) {
41 char SEP = File.separatorChar;
42 File dir = new File(System.getProperty("java.home") + SEP + "lib"
43 + SEP + "security");
44 file = new File(dir, "jssecacerts");
45 if (file.isFile() == false) {
46 file = new File(dir, "cacerts");
47 }
48 }
49 System.out.println("Loading KeyStore " + file + "...");
50 InputStream in = new FileInputStream(file);
51 KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());
52 ks.load(in, passphrase);
53 in.close();
54
55 SSLContext context = SSLContext.getInstance("TLS");
56 TrustManagerFactory tmf = TrustManagerFactory
57 .getInstance(TrustManagerFactory.getDefaultAlgorithm());
58 tmf.init(ks);
59 X509TrustManager defaultTrustManager = (X509TrustManager) tmf
60 .getTrustManagers()[0];
61 SavingTrustManager tm = new SavingTrustManager(defaultTrustManager);
62 context.init(null, new TrustManager[] { tm }, null);
63 SSLSocketFactory factory = context.getSocketFactory();
64
65 System.out
66 .println("Opening connection to " + host + ":" + port + "...");
67 SSLSocket socket = (SSLSocket) factory.createSocket(host, port);
68 socket.setSoTimeout(10000);
69 try {
70 System.out.println("Starting SSL handshake...");
71 socket.startHandshake();
72 socket.close();
73 System.out.println();
74 System.out.println("No errors, certificate is already trusted");
75 } catch (SSLException e) {
76 System.out.println();
77 e.printStackTrace(System.out);
78 }
79
80 X509Certificate[] chain = tm.chain;
81 if (chain == null) {
82 System.out.println("Could not obtain server certificate chain");
83 return;
84 }
85
86 BufferedReader reader = new BufferedReader(new InputStreamReader(
87 System.in));
88
89 System.out.println();
90 System.out.println("Server sent " + chain.length + " certificate(s):");
91 System.out.println();
92 MessageDigest sha1 = MessageDigest.getInstance("SHA1");
93 MessageDigest md5 = MessageDigest.getInstance("MD5");
94 for (int i = 0; i < chain.length; i++) {
95 X509Certificate cert = chain[i];
96 System.out.println(" " + (i + 1) + " Subject "
97 + cert.getSubjectDN());
98 System.out.println(" Issuer " + cert.getIssuerDN());
99 sha1.update(cert.getEncoded());
100 System.out.println(" sha1 " + toHexString(sha1.digest()));
101 md5.update(cert.getEncoded());
102 System.out.println(" md5 " + toHexString(md5.digest()));
103 System.out.println();
104 }
105
106 System.out
107 .println("Enter certificate to add to trusted keystore or ‘q‘ to quit: [1]");
108 String line = reader.readLine().trim();
109 int k;
110 try {
111 k = (line.length() == 0) ? 0 : Integer.parseInt(line) - 1;
112 } catch (NumberFormatException e) {
113 System.out.println("KeyStore not changed");
114 return;
115 }
116
117 X509Certificate cert = chain[k];
118 String alias = host + "-" + (k + 1);
119 ks.setCertificateEntry(alias, cert);
120
121 OutputStream out = new FileOutputStream("jssecacerts");
122 ks.store(out, passphrase);
123 out.close();
124
125 System.out.println();
126 System.out.println(cert);
127 System.out.println();
128 System.out
129 .println("Added certificate to keystore ‘jssecacerts‘ using alias ‘"
130 + alias + "‘");
131 }
132
133 private static final char[] HEXDIGITS = "0123456789abcdef".toCharArray();
134
135 private static String toHexString(byte[] bytes) {
136 StringBuilder sb = new StringBuilder(bytes.length * 3);
137 for (int b : bytes) {
138 b &= 0xff;
139 sb.append(HEXDIGITS[b >> 4]);
140 sb.append(HEXDIGITS[b & 15]);
141 sb.append(‘ ‘);
142 }
143 return sb.toString();
144 }
145
146 private static class SavingTrustManager implements X509TrustManager {
147
148 private final X509TrustManager tm;
149 private X509Certificate[] chain;
150
151 SavingTrustManager(X509TrustManager tm) {
152 this.tm = tm;
153 }
154
155 @Override
156 public X509Certificate[] getAcceptedIssuers() {
157 return new X509Certificate[0];
158 //throw new UnsupportedOperationException();
159 }
160
161 public void checkClientTrusted(X509Certificate[] chain, String authType)
162 throws CertificateException {
163 throw new UnsupportedOperationException();
164 }
165
166 public void checkServerTrusted(X509Certificate[] chain, String authType)
167 throws CertificateException {
168 this.chain = chain;
169 tm.checkServerTrusted(chain, authType);
170 }
171 }
172
173 }
javac InstallCert.java
java InstallCert www.***.com:xx
网址 端口
然后将生成的jssecacerts文件放在%JAVA_HOME%\jre\lib\security目录下，重启web服务即可
原文地址：https://www.cnblogs.com/xiehuazhen/p/9531315.html
时间： 2024-11-15 00:33:51