在Java 加密技术(九)中,我们使用自签名证书完成了认证。接下来,我们使用第三方CA签名机构完成证书签名。
这里我们使用thawte提供的测试用21天免费ca证书。
1.要在该网站上注明你的域名,这里使用www.zlex.org作为测试用域名(请勿使用该域名作为你的域名地址,该域名受法律保护!请使用其他非注册域名!)。
2.如果域名有效,你会收到邮件要求你访问https://www.thawte.com/cgi/server/try.exe获得ca证书。
3.复述密钥库的创建。
- keytool -genkey -validity 36000 -alias www.zlex.org -keyalg RSA -keystore d:\zlex.keystore
在这里我使用的密码为 123456
控制台输出:
- 输入keystore密码:
- 再次输入新密码:
- 您的名字与姓氏是什么?
- [Unknown]: www.zlex.org
- 您的组织单位名称是什么?
- [Unknown]: zlex
- 您的组织名称是什么?
- [Unknown]: zlex
- 您所在的城市或区域名称是什么?
- [Unknown]: BJ
- 您所在的州或省份名称是什么?
- [Unknown]: BJ
- 该单位的两字母国家代码是什么
- [Unknown]: CN
- CN=www.zlex.org, OU=zlex, O=zlex, L=BJ, ST=BJ, C=CN 正确吗?
- [否]: Y
- 输入<tomcat>的主密码
- (如果和 keystore 密码相同,按回车):
- 再次输入新密码:
4.通过如下命令,从zlex.keystore中导出CA证书申请。
- keytool -certreq -alias www.zlex.org -file d:\zlex.csr -keystore d:\zlex.keystore -v
你会获得zlex.csr文件,可以用记事本打开,内容如下格式:
- -----BEGIN NEW CERTIFICATE REQUEST-----
- MIIBnDCCAQUCAQAwXDELMAkGA1UEBhMCQ04xCzAJBgNVBAgTAkJKMQswCQYDVQQHEwJCSjENMAsG
- A1UEChMEemxleDENMAsGA1UECxMEemxleDEVMBMGA1UEAxMMd3d3LnpsZXgub3JnMIGfMA0GCSqG
- SIb3DQEBAQUAA4GNADCBiQKBgQCR6DXU9Mp+mCKO7cv9JPsj0n1Ec/GpM09qvhpgX3FNad/ZWSDc
- vU77YXZSoF9hQp3w1LC+eeKgd2MlVpXTvbVwBNVd2HiQPp37ic6BUUjSaX8LHtCl7l0BIEye9qQ2
- j8G0kak7e8ZA0s7nb3Ymq/K8BV7v0MQIdhIc1bifK9ZDewIDAQABoAAwDQYJKoZIhvcNAQEFBQAD
- gYEAMA1r2fbZPtNx37U9TRwadCH2TZZecwKJS/hskNm6ryPKIAp9APWwAyj8WJHRBz5SpZM4zmYO
- oMCI8BcnY2A4JP+R7/SwXTdH/xcg7NVghd9A2SCgqMpF7KMfc5dE3iygdiPu+UhY200Dvpjx8gmJ
- 1UbH3+nqMUyCrZgURFslOUY=
- -----END NEW CERTIFICATE REQUEST-----
5.将上述文件内容拷贝到https://www.thawte.com/cgi/server/try.exe中,点击next,获得回应内容,这里是p7b格式。
内容如下:
- -----BEGIN PKCS7-----
- MIIF3AYJKoZIhvcNAQcCoIIFzTCCBckCAQExADALBgkqhkiG9w0BBwGgggWxMIID
- EDCCAnmgAwIBAgIQA/mx/pKoaB+KGX2hveFU9zANBgkqhkiG9w0BAQUFADCBhzEL
- MAkGA1UEBhMCWkExIjAgBgNVBAgTGUZPUiBURVNUSU5HIFBVUlBPU0VTIE9OTFkx
- HTAbBgNVBAoTFFRoYXd0ZSBDZXJ0aWZpY2F0aW9uMRcwFQYDVQQLEw5URVNUIFRF
- U1QgVEVTVDEcMBoGA1UEAxMTVGhhd3RlIFRlc3QgQ0EgUm9vdDAeFw0wOTA1Mjgw
- MDIxMzlaFw0wOTA2MTgwMDIxMzlaMFwxCzAJBgNVBAYTAkNOMQswCQYDVQQIEwJC
- SjELMAkGA1UEBxMCQkoxDTALBgNVBAoTBHpsZXgxDTALBgNVBAsTBHpsZXgxFTAT
- BgNVBAMTDHd3dy56bGV4Lm9yZzCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEA
- keg11PTKfpgiju3L/ST7I9J9RHPxqTNPar4aYF9xTWnf2Vkg3L1O+2F2UqBfYUKd
- 8NSwvnnioHdjJVaV0721cATVXdh4kD6d+4nOgVFI0ml/Cx7Qpe5dASBMnvakNo/B
- tJGpO3vGQNLO5292JqvyvAVe79DECHYSHNW4nyvWQ3sCAwEAAaOBpjCBozAMBgNV
- HRMBAf8EAjAAMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjBABgNVHR8E
- OTA3MDWgM6Axhi9odHRwOi8vY3JsLnRoYXd0ZS5jb20vVGhhd3RlUHJlbWl1bVNl
- cnZlckNBLmNybDAyBggrBgEFBQcBAQQmMCQwIgYIKwYBBQUHMAGGFmh0dHA6Ly9v
- Y3NwLnRoYXd0ZS5jb20wDQYJKoZIhvcNAQEFBQADgYEATPuxZbtJJSPmXvfrr1yz
- xqM06IwTZ6UU0lZRG7I0WufMjNMKdpn8hklUhE17mxAhGSpewLVVeLR7uzBLFkuC
- X7wMXxhoYdJZtNai72izU6Rd1oknao7diahvRxPK4IuQ7y2oZ511/4T4vgY6iRAj
- q4q76HhPJrVRL/sduaiu+gYwggKZMIICAqADAgECAgEAMA0GCSqGSIb3DQEBBAUA
- MIGHMQswCQYDVQQGEwJaQTEiMCAGA1UECBMZRk9SIFRFU1RJTkcgUFVSUE9TRVMg
- T05MWTEdMBsGA1UEChMUVGhhd3RlIENlcnRpZmljYXRpb24xFzAVBgNVBAsTDlRF
- U1QgVEVTVCBURVNUMRwwGgYDVQQDExNUaGF3dGUgVGVzdCBDQSBSb290MB4XDTk2
- MDgwMTAwMDAwMFoXDTIwMTIzMTIxNTk1OVowgYcxCzAJBgNVBAYTAlpBMSIwIAYD
- VQQIExlGT1IgVEVTVElORyBQVVJQT1NFUyBPTkxZMR0wGwYDVQQKExRUaGF3dGUg
- Q2VydGlmaWNhdGlvbjEXMBUGA1UECxMOVEVTVCBURVNUIFRFU1QxHDAaBgNVBAMT
- E1RoYXd0ZSBUZXN0IENBIFJvb3QwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGB
- ALV9kG+Os6x/DOhm+tKUQfzVMWGhE95sFmEtkMMTX2Zi4n6i6BvzoReJ5njzt1LF
- cqu4EUk9Ji20egKKfmqRzmQFLP7+1niSdfJEUE7cKY40QoI99270PTrLjJeaMcCl
- +AYl+kD+RL5BtuKKU3PurYcsCsre6aTvjMcqpTJOGeSPAgMBAAGjEzARMA8GA1Ud
- EwEB/wQFMAMBAf8wDQYJKoZIhvcNAQEEBQADgYEAgozj7BkD9O8si2V0v+EZ/t7E
- fz/LC8y6mD7IBUziHy5/53ymGAGLtyhXHvX+UIE6UWbHro3IqVkrmY5uC93Z2Wew
- A/6edK3KFUcUikrLeewM7gmqsiASEKx2mKRKlu12jXyNS5tXrPWRDvUKtFC1uL9a
- 12rFAQS2BkIk7aU+ghYxAA==
- -----END PKCS7-----
将其存储为zlex.p7b
6.将由CA签发的证书导入密钥库。
- keytool -import -trustcacerts -alias www.zlex.org -file d:\zlex.p7b -keystore d:\zlex.keystore -v
在这里我使用的密码为 123456
控制台输出:
- 输入keystore密码:
- 回复中的*认证:
- 所有者:CN=Thawte Test CA Root, OU=TEST TEST TEST, O=Thawte Certification, ST=FOR
- TESTING PURPOSES ONLY, C=ZA
- 签发人:CN=Thawte Test CA Root, OU=TEST TEST TEST, O=Thawte Certification, ST=FOR
- TESTING PURPOSES ONLY, C=ZA
- 序列号:0
- 有效期: Thu Aug 01 08:00:00 CST 1996 至Fri Jan 01 05:59:59 CST 2021
- 证书指纹:
- MD5:5E:E0:0E:1D:17:B7:CA:A5:7D:36:D6:02:DF:4D:26:A4
- SHA1:39:C6:9D:27:AF:DC:EB:47:D6:33:36:6A:B2:05:F1:47:A9:B4:DA:EA
- 签名算法名称:MD5withRSA
- 版本: 3
- 扩展:
- #1: ObjectId: 2.5.29.19 Criticality=true
- BasicConstraints:[
- CA:true
- PathLen:2147483647
- ]
- ... 是不可信的。 还是要安装回复? [否]: Y
- 认证回复已安装在 keystore中
- [正在存储 d:\zlex.keystore]
7.域名定位
将域名www.zlex.org定位到本机上。打开C:\Windows\System32\drivers\etc\hosts文件,将www.zlex.org绑定在本机上。在文件末尾追加127.0.0.1
www.zlex.org。现在通过地址栏访问http://www.zlex.org,或者通过ping命令,如果能够定位到本机,域名映射就搞定了。
8.配置server.xml
- <Connector
- keystoreFile="conf/zlex.keystore"
- keystorePass="123456"
- truststoreFile="conf/zlex.keystore"
- truststorePass="123456"
- SSLEnabled="true"
- URIEncoding="UTF-8"
- clientAuth="false"
- maxThreads="150"
- port="443"
- protocol="HTTP/1.1"
- scheme="https"
- secure="true"
- sslProtocol="TLS" />
将文件zlex.keystore拷贝到tomcat的conf目录下,重新启动tomcat。访问https://www.zlex.org/,我们发现联网有些迟钝。大约5秒钟后,网页正常显示,同时有如下图所示:
浏览器验证了该CA机构的有效性。
打开证书,如下图所示:
调整测试类:
- import static org.junit.Assert.*;
- import java.io.DataInputStream;
- import java.io.InputStream;
- import java.net.URL;
- import javax.net.ssl.HttpsURLConnection;
- import org.junit.Test;
- /**
- *
- * @author 梁栋
- * @version 1.0
- * @since 1.0
- */
- public class CertificateCoderTest {
- private String password = "123456";
- private String alias = "www.zlex.org";
- private String certificatePath = "d:/zlex.cer";
- private String keyStorePath = "d:/zlex.keystore";
- @Test
- public void test() throws Exception {
- System.err.println("公钥加密——私钥解密");
- String inputStr = "Ceritifcate";
- byte[] data = inputStr.getBytes();
- byte[] encrypt = CertificateCoder.encryptByPublicKey(data,
- certificatePath);
- byte[] decrypt = CertificateCoder.decryptByPrivateKey(encrypt,
- keyStorePath, alias, password);
- String outputStr = new String(decrypt);
- System.err.println("加密前: " + inputStr + "\n\r" + "解密后: " + outputStr);
- // 验证数据一致
- assertArrayEquals(data, decrypt);
- // 验证证书有效
- assertTrue(CertificateCoder.verifyCertificate(certificatePath));
- }
- @Test
- public void testSign() throws Exception {
- System.err.println("私钥加密——公钥解密");
- String inputStr = "sign";
- byte[] data = inputStr.getBytes();
- byte[] encodedData = CertificateCoder.encryptByPrivateKey(data,
- keyStorePath, alias, password);
- byte[] decodedData = CertificateCoder.decryptByPublicKey(encodedData,
- certificatePath);
- String outputStr = new String(decodedData);
- System.err.println("加密前: " + inputStr + "\n\r" + "解密后: " + outputStr);
- assertEquals(inputStr, outputStr);
- System.err.println("私钥签名——公钥验证签名");
- // 产生签名
- String sign = CertificateCoder.sign(encodedData, keyStorePath, alias,
- password);
- System.err.println("签名:\r" + sign);
- // 验证签名
- boolean status = CertificateCoder.verify(encodedData, sign,
- certificatePath);
- System.err.println("状态:\r" + status);
- assertTrue(status);
- }
- @Test
- public void testHttps() throws Exception {
- URL url = new URL("https://www.zlex.org/examples/");
- HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
- conn.setDoInput(true);
- conn.setDoOutput(true);
- CertificateCoder.configSSLSocketFactory(conn, password, keyStorePath,
- keyStorePath);
- InputStream is = conn.getInputStream();
- int length = conn.getContentLength();
- DataInputStream dis = new DataInputStream(is);
- byte[] data = new byte[length];
- dis.readFully(data);
- dis.close();
- conn.disconnect();
- System.err.println(new String(data));
- }
- }
再次执行,验证通过!
由此,我们了基于SSL协议的认证过程。测试类的testHttps方法模拟了一次浏览器的HTTPS访问。