Vgbhfive's Blog

JDK1.6支持TLS1.2

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引入

最近工作的部分是重构一个系统的部分代码，并做一些安全性的升级，其中就牵扯到了 TLS 1.2 。但是在我查到 JDK 1.6 不支持 TLS 1.2 之后，就开始漫长的解决方法寻找之旅。

解决方案

  1. 升级JDK
    升级JDK 1.6 到 121 版本之后就会支持 TLS 1.2 。
    JDK1.6 121版本是需要收费的！！！

  2. 引入外部包
    需要引入的包名为 bcprov-jdk15on 。并且需要根据引入的 jar 包继承实现 SSLSocketFactory 类。

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    import org.bouncycastle.crypto.tls.*;
    import org.bouncycastle.jce.provider.BouncyCastleProvider;
     
    import javax.net.ssl.*;
    import javax.security.cert.X509Certificate;
    import java.io.*;
    import java.net.InetAddress;
    import java.net.InetSocketAddress;
    import java.net.Socket;
    import java.net.UnknownHostException;
    import java.security.KeyStore;
    import java.security.Principal;
    import java.security.SecureRandom;
    import java.security.Security;
    import java.security.cert.CertificateExpiredException;
    import java.security.cert.CertificateFactory;
    import java.util.Hashtable;
    import java.util.LinkedList;
    import java.util.List;
     
    public class TLSSocketConnectionFactory extends SSLSocketFactory {
     
        static {
            if (Security.getProvider(BouncyCastleProvider.PROVIDER_NAME) == null) {
                Security.addProvider(new BouncyCastleProvider());
            }
        }
     
        @Override
        public Socket createSocket(Socket socket, final String host, int port,
                                   boolean arg3) throws IOException {
            if (socket == null) {
                socket = new Socket();
            }
            if (!socket.isConnected()) {
                socket.connect(new InetSocketAddress(host, port));
            }
     
            final TlsClientProtocol tlsClientProtocol = new     TlsClientProtocol(socket.getInputStream(), socket.getOutputStream(), new     SecureRandom());
     
            return _createSSLSocket(host, tlsClientProtocol);
        }
     
        @Override public String[] getDefaultCipherSuites() { return null; }
        @Override public String[] getSupportedCipherSuites() { return null; }
        @Override public Socket createSocket(String host, int port) throws IOException, UnknownHostException { return null; }
        @Override public Socket createSocket(InetAddress host, int port) throws IOException { return null; }
        @Override public Socket createSocket(String host, int port, InetAddress localHost, int localPort) throws IOException, UnknownHostException { return null; }
        @Override public Socket createSocket(InetAddress address, int port, InetAddress localAddress, int localPort) throws IOException { return null; }
     
        private SSLSocket _createSSLSocket(final String host, final TlsClientProtocol tlsClientProtocol) {
            return new SSLSocket() {
                private java.security.cert.Certificate[] peertCerts;
     
                @Override public InputStream getInputStream() throws IOException { return tlsClientProtocol.getInputStream(); }
                @Override public OutputStream getOutputStream() throws IOException { return tlsClientProtocol.getOutputStream(); }
                @Override public synchronized void close() throws IOException { tlsClientProtocol.close(); }
                @Override public void addHandshakeCompletedListener( HandshakeCompletedListener arg0) { }
                @Override public boolean getEnableSessionCreation() { return false; }
                @Override public String[] getEnabledCipherSuites() { return null; }
                @Override public String[] getEnabledProtocols() { return null; }
                @Override public boolean getNeedClientAuth() { return false; }
     
                @Override
                public SSLSession getSession() {
                    return new SSLSession() {

                        @Override
                        public int getApplicationBufferSize() {
                            return 0;
                        }
                        @Override public String getCipherSuite() { return null; }
                        @Override public long getCreationTime() { return 0; }
                        @Override public byte[] getId() { return null; }
                        @Override public long getLastAccessedTime() { return 0; }
                        @Override public java.security.cert.Certificate[] getLocalCertificates() { return null; }
                        @Override public Principal getLocalPrincipal() { return null; }
                        @Override public int getPacketBufferSize() { return 0; }
                        @Override public X509Certificate[] getPeerCertificateChain() throws SSLPeerUnverifiedException { return null; }
                        @Override public java.security.cert.Certificate[] getPeerCertificates() throws SSLPeerUnverifiedException { return peertCerts; }
                        @Override public String getPeerHost() { return null; }
                        @Override public int getPeerPort() { return 0; }
                        @Override public Principal getPeerPrincipal() throws SSLPeerUnverifiedException { return null; }
                        @Override public String getProtocol() { return null; }
                        @Override public SSLSessionContext getSessionContext() { return null; }
                        @Override public Object getValue(String arg0) { return null; }
                        @Override public String[] getValueNames() { return null; }
                        @Override public void invalidate() { return; }
                        @Override public boolean isValid() { return true; }
                        @Override public void putValue(String arg0, Object arg1) { return; }
                        @Override
                        public void removeValue(String arg0) {
                            return;
                        }
                    };
                }
     
                @Override public String[] getSupportedProtocols() { return null; }
                @Override public boolean getUseClientMode() { return false; }
                @Override public boolean getWantClientAuth() { return false; }
                @Override public void removeHandshakeCompletedListener(HandshakeCompletedListener arg0) { }
                @Override public void setEnableSessionCreation(boolean arg0) { }
                @Override public void setEnabledCipherSuites(String[] arg0) { }
                @Override public void setEnabledProtocols(String[] arg0) { }
                @Override public void setNeedClientAuth(boolean arg0) { }
                @Override public void setUseClientMode(boolean arg0) { }
                @Override public void setWantClientAuth(boolean arg0) { }
                @Override public String[] getSupportedCipherSuites() { return null; }
     
                @Override
                public void startHandshake() throws IOException {
                    tlsClientProtocol.connect(new DefaultTlsClient() {
     
                        @SuppressWarnings("unchecked")
                        @Override
                        public Hashtable<Integer, byte[]> getClientExtensions() throws IOException {
                            Hashtable<Integer, byte[]> clientExtensions = super.getClientExtensions();
                            if (clientExtensions == null) {
                                clientExtensions = new Hashtable<Integer, byte[]>();
                            }
     
                            byte[] host_name = host.getBytes();
     
                            final ByteArrayOutputStream baos = new ByteArrayOutputStream();
                            final DataOutputStream dos = new DataOutputStream(baos);
                            dos.writeShort(host_name.length + 3);
                            dos.writeByte(0);
                            dos.writeShort(host_name.length);
                            dos.write(host_name);
                            dos.close();
                            clientExtensions.put(ExtensionType.server_name, baos.toByteArray());
                            return clientExtensions;
                        }
     
                        @Override
                        public TlsAuthentication getAuthentication() throws IOException {
                            return new TlsAuthentication() {
     
                                @Override
                                public void notifyServerCertificate(Certificate serverCertificate) throws IOException {
                                    try {
                                        KeyStore ks = _loadKeyStore();
     
                                        CertificateFactory cf = CertificateFactory.getInstance("X.509");
                                        List<java.security.cert.Certificate> certs = new LinkedList<java.security.cert.Certificate>();
                                        boolean trustedCertificate = false;
                                        for (org.bouncycastle.asn1.x509.Certificate c : serverCertificate.getCertificateList()) {
                                            java.security.cert.Certificate cert = cf.generateCertificate(new ByteArrayInputStream(c.getEncoded()));
                                            certs.add(cert);
     
                                            String alias = ks.getCertificateAlias(cert);
                                            if(alias != null) {
                                                if (cert instanceof java.security.cert.X509Certificate) {
                                                    try {
                                                        ( (java.security.cert.X509Certificate) cert).checkValidity();
                                                        trustedCertificate = true;
                                                    } catch(CertificateExpiredException cee) {
                                                        
                                                    }
                                                }
                                            } else {
                                                
                                            }
                                        }
                                        if (!trustedCertificate) {

                                        }
                                        peertCerts = certs.toArray(new java.security.cert.Certificate[0]);
                                    } catch (Exception ex) {
                                        ex.printStackTrace();
                                        throw new IOException(ex);
                                    }
                                }
     
                                @Override
                                public TlsCredentials getClientCredentials(CertificateRequest certificateRequest) throws IOException {
                                    return null;
                                }
     
                                private KeyStore _loadKeyStore() throws Exception {
                                    FileInputStream trustStoreFis = null;
                                    try {
                                        KeyStore localKeyStore = null;
     
                                        String trustStoreType = System.getProperty("javax.net.ssl.trustStoreType") != null ? System.getProperty("javax.net.ssl.trustStoreType") : KeyStore.getDefaultType();
                                        String trustStoreProvider = System.getProperty("javax.net.ssl.trustStoreProvider") != null ? System.getProperty("javax.net.ssl.trustStoreProvider") : "";
     
                                        if (trustStoreType.length() != 0) {
                                            if (trustStoreProvider.length() == 0) {
                                                localKeyStore = KeyStore.getInstance(trustStoreType);
                                            } else {
                                                localKeyStore = KeyStore.getInstance(trustStoreType, trustStoreProvider);
                                            }
     
                                            char[] keyStorePass = null;
                                            String str5 = System.getProperty("javax.net.ssl.trustStorePassword") != null ? System.getProperty("javax.net.ssl.trustStorePassword") : "";
     
                                            if (str5.length() != 0) {
                                                keyStorePass = str5.toCharArray();
                                            }
     
                                            localKeyStore.load(trustStoreFis, keyStorePass);
     
                                            if (keyStorePass != null) {
                                                for (int i = 0; i < keyStorePass.length; i++) {
                                                    keyStorePass[i] = 0;
                                                }
                                            }
                                        }
                                        return localKeyStore;
                                    } finally {
                                        if (trustStoreFis != null) {
                                            trustStoreFis.close();
                                        }
                                    }
                                }
                            };
                        }
     
                    });
                }
            };
        }
    }

成功

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HttpsURLConnection con = null;
try {
	con = (HttpsURLConnection) myurl.openConnection();
	con.setSSLSocketFactory(new TLSSocketConnectionFactory());

	con.setRequestMethod("POST");
	con.setDoOutput(true);
	con.setDoInput(true);
	con.setUseCaches(false);
	con.setInstanceFollowRedirects(true);
	con.setRequestProperty("Content-type", "application/json;charset=utf-8"); 
	con.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; DigExt)"); 
	con.connect();

	out = con.getOutputStream();
	out.write(signData.getBytes("utf-8"));
	out.flush();
	out.close();

	log.info("ResponseCode: " + con.getResponseCode());
} catch (IOException e1) {
	e1.printStackTrace();;
} catch(Exception e){
	e.printStackTrace();
} finally {

}

问题

  1. host name wrong

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    /*用于解决host name wrong问题，重写主机验证方法，如果请求正常可以去掉*/
    con.setHostnameVerifier(new HostnameVerifier(){
    	@Override
    	public boolean verify(String hostname, SSLSession session) {
    		return true;
    	}
    });

  2. Internal TLS error, this could be an attack
    你可以在这里找到对应的解决办法

  3. Could not generate DH keypair

  • 调整https使用的dhparam 指定1024位
  • 修改服务器使用1024位dhparam
    解决来源

个人备注

此博客内容均为作者学习所做笔记，侵删！
若转作其他用途，请注明来源！