True-License的演示用例
keytool生成密钥库的方法就不说了。网上很多，也可详见 <java核心技术第二卷>
简单的trueLicense用例，仅供参考.
true-license的源码，已经添加了中文注释，喜欢的朋友可以拿去看看。
truelicense源码
import java.io.File;import java.util.Date;import java.util.prefs.Preferences;import javax.security.auth.x500.X500Principal;import de.schlichtherle.license.CipherParam;import de.schlichtherle.license.DefaultCipherParam;import de.schlichtherle.license.DefaultKeyStoreParam;import de.schlichtherle.license.DefaultLicenseParam;import de.schlichtherle.license.KeyStoreParam;import de.schlichtherle.license.LicenseContent;import de.schlichtherle.license.LicenseParam;import de.schlichtherle.license.LicenseManager;public class TestTrueLicense {public final static String PRIVATEALIAS = "privatekey";public final static String PUBLICALIAS = "publiccert";public final static String KEYPWD = "111aaa";public final static String STOREPWD = "111aaa";public final static String SUBJECT = "trueLicense测试";//为了方便直接用的API里的例子//X500Princal是一个证书文件的固有格式，详见APIpublic final static X500Principal DEFAULTHOLDERANDISSUER = new X500Principal("CN=Duke、OU=JavaSoft、O=Sun Microsystems、C=US"); public static void main(String[] args) throws Exception { /**************证书发布者端执行******************/ LicenseManager licenseManager = LicenseManagerHolder.getLicenseManager(initLicenseParams0()); String storePath = TestTrueLicense.class.getResource(".").getFile() + File.separator + "测试.lic"; licenseManager.store((createLicenseContent()), new File(storePath)); System.out.println("服务器端生成证书成功!"); /**************证书使用者端执行******************/ //由于用的是一个licenseManager所以重新设置验证时需要的LicenseParam licenseManager.setLicenseParam(initLicenseParams1()); //安装证书 licenseManager.install(new File(storePath)); System.out.println("客户端安装证书成功!"); //验证证书 licenseManager.verify(); System.out.println("客户端验证证书成功!"); } //返回生成证书时需要的参数 private static LicenseParam initLicenseParams0() { Preferences preference = Preferences.userNodeForPackage(TestTrueLicense.class); //设置对证书内容加密的对称密码 CipherParam cipherParam = new DefaultCipherParam("111aaa"); //参数1,2从哪个Class.getResource()获得密钥库 //参数3密钥库的别名 //参数4密钥库存储密码 //参数5密钥库密码 KeyStoreParam privateStoreParam = new DefaultKeyStoreParam(TestTrueLicense.class, "privateKeys.store", PRIVATEALIAS, STOREPWD, KEYPWD); LicenseParam licenseParams = new DefaultLicenseParam(SUBJECT, preference, privateStoreParam, cipherParam); return licenseParams; } //返回验证证书需要的参数 private static LicenseParam initLicenseParams1() { Preferences preference = Preferences.userNodeForPackage(TestTrueLicense.class); CipherParam cipherParam = new DefaultCipherParam("111aaa"); KeyStoreParam privateStoreParam = new DefaultKeyStoreParam(TestTrueLicense.class, "publicCerts.store", PUBLICALIAS, STOREPWD, null); LicenseParam licenseParams = new DefaultLicenseParam(SUBJECT, preference, privateStoreParam, cipherParam); return licenseParams; } //一般可以从外部表单拿到证书的内容 //这里为了演示，把证书内容写死了 public final static LicenseContent createLicenseContent() { LicenseContent content = null; content = new LicenseContent(); content.setSubject(SUBJECT); content.setHolder(DEFAULTHOLDERANDISSUER); content.setIssuer(DEFAULTHOLDERANDISSUER); content.setIssued(new Date()); content.setNotBefore(new Date()); content.setNotAfter(new Date(new Date().getTime() + 1000)); content.setConsumerType("user"); content.setConsumerAmount(1); content.setInfo("随便不为空的描述性信息"); //扩展 content.setExtra(new Object()); return content; }}