java实现安全证书相关操作

https://blog.csdn.net/zhushanzhi/article/details/77864516

package test;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintStream;
import java.security.Key;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.KeyStore;
import java.security.Principal;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.SecureRandom;
import java.security.Signature;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.security.cert.CertificateFactorySpi;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collection;
import java.util.Date;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import org.junit.Test;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;
import sun.security.pkcs.ContentInfo;
import sun.security.pkcs.PKCS10;
import sun.security.pkcs.PKCS7;
import sun.security.tools.KeyStoreUtil;
import sun.security.x509.AlgorithmId;
import sun.security.x509.CertificateAlgorithmId;
import sun.security.x509.CertificateIssuerName;
import sun.security.x509.CertificateSerialNumber;
import sun.security.x509.CertificateSubjectName;
import sun.security.x509.CertificateValidity;
import sun.security.x509.CertificateVersion;
import sun.security.x509.CertificateX509Key;
import sun.security.x509.X500Name;
import sun.security.x509.X500Signer;
import sun.security.x509.X509CertImpl;
import sun.security.x509.X509CertInfo;
public class ReadKeyStoreTest {
/**
* 列出store中所有的私钥和公钥以及签名信息
*
* @param ks
* @param storePass
* @param priKeyPass
* @throws Exception
*/
private void listKeyAndCertificate(KeyStore ks, String storePass,
String priKeyPass) throws Exception {
System.out.println("size=" + ks.size());
Enumeration<string> enum1 = ks.aliases();
int i = 0;
while (enum1.hasMoreElements()) {
String alias = enum1.nextElement();
System.out.println("第" + (++i) + "个");
System.out.println("alias=" + alias);
java.security.cert.Certificate c = ks.getCertificate(alias);// alias为条目的别名
readX509Certificate((X509Certificate) c);
readPriKey(ks, alias, priKeyPass);
}
}
/**
* 列出store中私钥和cert chain信息
*
* @param ks
* @param alias
* @param pass
* @throws Exception
*/
private void readPriKey(KeyStore ks, String alias, String pass)
throws Exception {
Key key = ks.getKey(alias, pass.toCharArray());
if (null == key) {
System.out.println("no priviate key of " + alias);
return;
}
System.out.println();
System.out.println("algorithm=" + key.getAlgorithm());
System.out.println("format=" + key.getFormat());
System.out.println("toString=" + key);
readCertChain(ks, alias);
}
/**
* 列出store中 cert chain信息
*
* @param ks
* @param alias
* @throws Exception
*/
private void readCertChain(KeyStore ks, String alias) throws Exception {
Certificate[] certChain = ks.getCertificateChain(alias);
System.out.println("chain of " + alias);
if (null == certChain) {
System.out.println("no chain");
return;
}
int i = 0;
for (Certificate c : certChain) {
System.out.println("index " + (i++) + " in chain of " + alias);
readX509Certificate((X509Certificate) c);
}
}
/**
* 列出x509Certificate的基本信息
*
* @param t
*/
private void readX509Certificate(X509Certificate t) {
System.out.println(t);
System.out.println("输出证书信息:\n" + t.toString());
System.out.println("版本号:" + t.getVersion());
System.out.println("序列号:" + t.getSerialNumber().toString(16));
System.out.println("主体名：" + t.getSubjectDN());
System.out.println("签发者：" + t.getIssuerDN());
System.out.println("有效期：" + t.getNotBefore());
System.out.println("签名算法：" + t.getSigAlgName());
byte[] sig = t.getSignature();// 签名值
PublicKey pk = t.getPublicKey();
byte[] pkenc = pk.getEncoded();
System.out.println("签名：");
for (int i = 0; i < sig.length; i++)
System.out.print(sig[i] + ",");
System.out.println();
System.out.println("公钥： ");
for (int i = 0; i < pkenc.length; i++)
System.out.print(pkenc[i] + ",");
System.out.println();
}
/**
* 创建一个新的keystore
*
* @param storePass
* @param storeType
* PKCS12/JKS
* @return
* @throws Exception
*/
private KeyStore createKeyStore(String storePass, String storeType)
throws Exception {
KeyStore ks = KeyStore.getInstance(storeType);
ks.load(null, storePass.toCharArray());
return ks;
}
/**
* 加载一个已有的keyStore
*
* @param path
* @param storePass
* @param storeType
* PKCS12/JKS
* @return
* @throws Exception
*/
private KeyStore loadKeyStore(String path, String storePass,
String storeType) throws Exception {
FileInputStream in = new FileInputStream(path);
KeyStore ks = KeyStore.getInstance(storeType);
ks.load(in, storePass.toCharArray());
in.close();
return ks;
}
/**
* 从文件加载一个证书
*
* @param path
* @param certType
* @return
* @throws Exception
*/
private Certificate loadCert(String path, String certType) throws Exception {
CertificateFactory cf = CertificateFactory.getInstance(certType);
FileInputStream in = new FileInputStream(path);
Certificate c = cf.generateCertificate(in);
in.close();
return c;
}
/**
* 生成一个由根证书签名的store
*
* @param rootStore
* @param rootAlias
* @param rootKeyPass
* @param subjectStr
* @param storeType
* @param storePass
* @param alg
* @param keySize
* @param keyPass
* @return
* @throws Exception
*/
public KeyStore generateSignedKeyStore(KeyStore rootStore,
String rootAlias, String rootKeyPass, String subjectStr,
String storeType, String storePass, String alias, String alg,
int keySize, String keyPass) throws Exception {
PrivateKey rootKey = null;
X509CertImpl rootCert = null;
X509CertInfo rootInfo = null;
CertificateSubjectName rootsubject = null;
// 签发者
X500Name issueX500Name = new X500Name(subjectStr);
if (null != rootStore) {
rootKey = (PrivateKey) rootStore.getKey(rootAlias,
rootKeyPass.toCharArray());
rootCert = (X509CertImpl) rootStore.getCertificate(rootAlias);
rootInfo = (X509CertInfo) rootCert.get(X509CertImpl.NAME + "."
+ X509CertImpl.INFO);
rootsubject = (CertificateSubjectName) rootInfo
.get(X509CertInfo.SUBJECT);
issueX500Name = (X500Name) rootsubject
.get(CertificateIssuerName.DN_NAME);
}
// 签发者
CertificateIssuerName issuerName = new CertificateIssuerName(
issueX500Name);
// 被签发者
X500Name subjectX500Name = new X500Name(subjectStr);
CertificateSubjectName subjectName = new CertificateSubjectName(
subjectX500Name);
// 有效期设置
Calendar calendar = Calendar.getInstance();
Date startDate = calendar.getTime();
calendar.add(Calendar.DATE, 85);
Date endDate = calendar.getTime();
CertificateValidity certificateValidity = new CertificateValidity(
startDate, endDate);
// 序列号
CertificateSerialNumber sn = new CertificateSerialNumber(
(int) (startDate.getTime() / 1000L));
// 版本
CertificateVersion certVersion = new CertificateVersion(
CertificateVersion.V3);
// 算法
// TODO 获取算法的代码有问题
AlgorithmId algorithmId = new AlgorithmId(
"RSA".equals(alg) ? AlgorithmId.sha1WithRSAEncryption_oid
: AlgorithmId.sha1WithDSA_oid);
// 密钥对
KeyPairGenerator keygen = KeyPairGenerator.getInstance(alg);
keygen.initialize(keySize, new SecureRandom());
KeyPair kp = keygen.genKeyPair();
X509CertInfo certInfo = new X509CertInfo();
certInfo.set("version", certVersion);
certInfo.set("serialNumber", sn);
// localX500Signer.getAlgorithmId();
certInfo.set("algorithmID", new CertificateAlgorithmId(algorithmId));
certInfo.set("key", new CertificateX509Key(kp.getPublic()));
certInfo.set("validity", certificateValidity);
certInfo.set("subject", subjectName);
certInfo.set("issuer", issuerName);
// 扩展信息
// if (System.getProperty("sun.security.internal.keytool.skid") !=
// null)
// {
// CertificateExtensions localCertificateExtensions = new
// CertificateExtensions();
// localCertificateExtensions.set("SubjectKeyIdentifier", new
// SubjectKeyIdentifierExtension(new
// KeyIdentifier(this.publicKey).getIdentifier()));
// certInfo.set("extensions", localCertificateExtensions);
// }
X509CertImpl newcert = new X509CertImpl(certInfo);
// TODO 这里的签名算法可能有问题貌似应该用rootcert的签名算法待测试
KeyStore ks = this.createKeyStore(storePass, storeType);
Certificate[] certChain = null;
// 如果rootStore为空则生成自签名证书
if (null == rootStore) {
newcert.sign(kp.getPrivate(), "SHA1WithRSA");
certChain = new Certificate[] { newcert };
} else {
newcert.sign(rootKey, "SHA1WithRSA");
certChain = new Certificate[] { newcert, rootCert };
}
// ks.setCertificateEntry("zrbin", newcert);
ks.setKeyEntry(alias, kp.getPrivate(), keyPass.toCharArray(), certChain);
return ks;
}
@Test
public void testReadCer() throws Exception {
String path = "d:\\test.cer";
String certType = "X.509";
CertificateFactory cf = CertificateFactory.getInstance(certType);
FileInputStream in = new FileInputStream(path);
Collection<certificate> cs = (Collection<certificate>) cf
.generateCertificates(in);
in.close();
System.out.println("size=" + cs.size());
for (Certificate c : cs) {
readX509Certificate((X509Certificate) c);
}
}
@Test
public void testReadP12() throws Exception {
String storePass = "123456";
String keyPass = "123456";
String path = "d:\\zrbin.p12";
KeyStore ks = loadKeyStore(path, storePass, "PKCS12");
listKeyAndCertificate(ks, storePass, keyPass);
}
@Test
public void testReadKeyStore() throws Exception {
String storePass = "123456";
String keyPass = "123456";
String path = "d:\\test.keystore";
KeyStore ks = loadKeyStore(path, storePass, "JCEKS");
listKeyAndCertificate(ks, storePass, keyPass);
}
@Test
public void testExportCert() throws FileNotFoundException, Exception {
String pass = "123456";
FileInputStream in = new FileInputStream("d:\\zrbin.p12");
boolean rfc = true;
KeyStore ks = KeyStore.getInstance("PKCS12");
ks.load(in, pass.toCharArray());
Certificate cert = ks.getCertificate("zrbin");
PrintStream out = new PrintStream("D:\\zrbin.cer");
if (rfc) {
BASE64Encoder encoder = new BASE64Encoder();
out.println("-----BEGIN CERTIFICATE-----");
encoder.encodeBuffer(cert.getEncoded(),
out);
out.println("-----END CERTIFICATE-----");
} else {
out.write(cert.getEncoded());
}
out.write(cert.getEncoded());
}
@Test
public void testImportCert() throws Exception {
CertificateFactory cf = CertificateFactory.getInstance("X.509");
FileInputStream storeIn = new FileInputStream("d:\\server.keystore");
FileInputStream in = new FileInputStream("d:\\zrbin.cer");
FileInputStream rootin = new FileInputStream("d:\\root.cer");
X509CertImpl cert = (X509CertImpl) cf.generateCertificate(in);
X509CertImpl rootcert = (X509CertImpl) cf.generateCertificate(rootin);
KeyStore ks = KeyStore.getInstance("JKS");
ks.load(null, "123456".toCharArray());
ks.deleteEntry("zrbin");
// ks.setCertificateEntry("zrbin", cert);
ks.setCertificateEntry("root", rootcert);
in.close();
FileOutputStream out = new FileOutputStream("d:\\server.keystore");
ks.store(out, "123456".toCharArray());
}
@Test
public void testImportSigenedCert() throws Exception {
String alias = "test";
CertificateFactory cf = CertificateFactory.getInstance("X.509");
FileInputStream storeIn = new FileInputStream("d:\\test.keystore");
KeyStore ks = KeyStore.getInstance("JKS");
ks.load(storeIn, "123456".toCharArray());
PrivateKey priKey = (PrivateKey) ks.getKey(alias,
"123456".toCharArray());
FileInputStream in = new FileInputStream("d:\\test.cer");
Collection<certificate> certCollection = (Collection<certificate>) cf
.generateCertificates(in);
System.out.println(certCollection.size());
if (certCollection.size() == 0) {
System.out.println("没有要导入的证书");
return;
}
// 如果没有对应的私钥，直接导入certficateEntry
if (null == priKey) {
for (Certificate _cert : certCollection) {
ks.setCertificateEntry(alias, _cert);
break;
}
} else {
Certificate importCert = null;
for (Certificate cert : certCollection) {
if (ks.getCertificate(alias).getPublicKey()
.equals(cert.getPublicKey())) {
importCert = cert;
break;
}
}
if (null == importCert) {
System.out.println("错误：no replay cert");
}
certCollection.remove(importCert);
if (X509CertImpl.isSelfSigned((X509Certificate) importCert, null)) {
System.out.println("证书未被ca签名,无需导入");
} else {
// 构建认证链
List<certificate> certList = new ArrayList<certificate>(
ks.size());
Map<principal certificate=""> cerMap = new HashMap<principal certificate="">();
Enumeration<string> aliasEnum = ks.aliases();
// 把不包括当前回复的都加到map里
while (aliasEnum.hasMoreElements()) {
String _alias = aliasEnum.nextElement();
if (!_alias.equals(alias)) {
X509CertImpl _cert = (X509CertImpl) ks
.getCertificate(_alias);
cerMap.put(_cert.getSubjectDN(), _cert);
}
}
for (Certificate cert : certCollection) {
cerMap.put(((X509Certificate) cert).getSubjectDN(), cert);
}
certList.add(importCert);
Principal issuerName = ((X509Certificate) importCert)
.getIssuerDN();
while (cerMap.keySet().contains(issuerName)) {
X509Certificate _rootCert = (X509Certificate) cerMap
.remove(issuerName);
if (null == _rootCert) {
System.out.println(issuerName + "的根证书为空");
return;
}
certList.add(_rootCert);
issuerName = _rootCert.getIssuerDN();
}
X509CertImpl rootCert = (X509CertImpl) certList.get(certList
.size() - 1);
if (!X509CertImpl.isSelfSigned(rootCert, null)) {
System.out.println("构建证书链错误,请先导入颁发者(" + issuerName
+ ")的CA证书");
return;
}
Certificate[] certChain = certList
.toArray(new Certificate[certList.size()]);
ks.setKeyEntry(alias, priKey, "123456".toCharArray(), certChain);
}
}
in.close();
FileOutputStream out = new FileOutputStream("d:\\test.keystore");
ks.store(out, "123456".toCharArray());
out.close();
}
@Test
public void testGenerateKeyStore() throws Exception {
KeyPairGenerator kg = KeyPairGenerator.getInstance("RSA");
KeyPair kp = kg.genKeyPair();
System.out.println(KeyStoreUtil.niceStoreTypeName("PKCS12"));
System.out.println(kp.getPrivate());
System.out.println(kp.getPublic());
KeyStore ks = KeyStore.getInstance("JKS");
}
@Test
public void testX500Name() throws IOException, CertificateException {
// for(byte i=48;i<=57;i++){
// System.out.println((char)i);
// }
// RFC 1779 (CN, L, ST, O, OU, C, STREET)
// RFC 2253 (CN/name, L/location, ST/station, O/org, OU/orgunit,
// C/country, STREET, DC, UID)
X500Name subjectName = new X500Name(
"CN=www.jiangtech.com,L=ZuChongZhi road,ST=Shang Hai,O=Jiangdatech,OU=ENTERPRISE APP,C=China,STREET=ZuChongZhi Road");
X500Name subjectName1 = new X500Name(
"CN=www.jiangtech.com,L=ZuChongZhi road,ST=Shang Hai,O=Jiangdatech,OU=ENTERPRISE APP,C=China,STREET=ZuChongZhi Road");
// X509CertInfo certInfo = new X509CertInfo();
// certInfo.set(X509CertInfo.SUBJECT, new CertificateSubjectName(
// subjectName));
System.out.println(subjectName.hashCode());
System.out.println(subjectName1.hashCode());
}
/**
* 证书验证
*
* @throws Exception
*/
@Test
public void testValidate() throws Exception {
KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");
// kpg.initialize()
KeyPair kp = kpg.genKeyPair();
KeyStore rootStore = this.loadKeyStore("d:/root.keystore", "123456",
"JKS");
PrivateKey rootKey = (PrivateKey) rootStore.getKey("jdcert",
"123456".toCharArray());
KeyStore store1 = this.loadKeyStore("d:/jd_signed.keystore", "123456",
"JKS");
X509CertImpl rootCert = (X509CertImpl) rootStore
.getCertificate("jdcert");
X509CertInfo rootInfo = (X509CertInfo) rootCert.get(X509CertImpl.NAME
+ "." + X509CertImpl.INFO);
CertificateSubjectName rootsubject = (CertificateSubjectName) rootInfo
.get(X509CertInfo.SUBJECT);
Certificate[] chain = rootStore.getCertificateChain("jdcert");
rootCert.verify(kp.getPublic());
}
/**
* 测试签发证书
*/
@Test
public void testGenerateSignedKeyStore() {
try {
KeyStore rootStore = this.loadKeyStore("d:/root.keystore",
"123456", "JKS");
String rootAlias = "test";
String subjectStr = "CN=zhaorb@jiangdatech.com,L=PU Dong,ST=Shang Hai,O=Jiangdatech,OU=ENTERPRISE APP,C=China,STREET=ZuChongZhi Road";
String alg = "RSA";
String storeType = "JKS";
int keySize = 1024;
String keyPass = "123456";
String rootKeyPass = "123456";
String storePass = "123456";
String alias = "test";
KeyStore ks = this.generateSignedKeyStore(null, rootAlias,
rootKeyPass, subjectStr, storeType, storePass, alias, alg,
keySize, keyPass);
OutputStream out = new FileOutputStream(
new File("d:/test.keystore"));
ks.store(out, "123456".toCharArray());
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 测试签发证书
*/
@Test
public void testGenerateSecKeyStore() {
try {
String rootAlias = "test";
String subjectStr = "CN=zhaorb@jiangdatech.com,L=PU Dong,ST=Shang Hai,O=Jiangdatech,OU=ENTERPRISE APP,C=China,STREET=ZuChongZhi Road";
String alg = "DES";
String storeType = "JKS";
int keySize = 1024;
String keyPass = "123456";
String rootKeyPass = "123456";
String storePass = "123456";
String alias = "test";
KeyStore ks = this.createKeyStore("123456", "JCEKS");
KeyGenerator keygen = KeyGenerator.getInstance("DES");
SecretKey secKey = keygen.generateKey();
ks.setKeyEntry(alias, secKey, "123456".toCharArray(),null);
OutputStream out = new FileOutputStream(
new File("d:/test.keystore"));
ks.store(out, "123456".toCharArray());
} catch (Exception e) {
e.printStackTrace();
}
}
@Test
/**
* 关于p7b的操作未实现
*/
public void testGeneratePKCS7KeyStore() {
try {
/*ContentInfo info = new ContentInfo(arg0);
//PKCS7 pkcs7 = new PKCS7()
String rootAlias = "test";
String subjectStr = "CN=zhaorb@jiangdatech.com,L=PU Dong,ST=Shang Hai,O=Jiangdatech,OU=ENTERPRISE APP,C=China,STREET=ZuChongZhi Road";
String alg = "DES";
String storeType = "JKS";
int keySize = 1024;
String keyPass = "123456";
String rootKeyPass = "123456";
String storePass = "123456";
String alias = "test";
KeyStore ks = this.createKeyStore("123456", "PKCS7");
KeyGenerator keygen = KeyGenerator.getInstance("RSA");
//SecretKey secKey = keygen.generateKey();
//ks.setKeyEntry(alias, secKey, "123456".toCharArray(),null);
OutputStream out = new FileOutputStream(
new File("d:/test.keystore"));
ks.store(out, "123456".toCharArray());*/
} catch (Exception e) {
e.printStackTrace();
}
}
@Test
public void testReadJCEKS() throws Exception{
KeyStore ks = this.loadKeyStore("D:/test.keystore","123456", "JCEKS");
Enumeration<string> aliasEnum = ks.aliases();
while(aliasEnum.hasMoreElements()){
String alias = aliasEnum.nextElement();
SecretKeySpec secKey = (SecretKeySpec) ks.getKey(alias, "123456".toCharArray());
System.out.println(ks.getCertificate(alias));
//System.out.println(ks.);
System.out.println(secKey.getClass());
System.out.println(secKey.getFormat());
System.out.println(secKey.getEncoded());
}
}
public PKCS10 readCsr() throws Exception {
File f = new File("D:/test.csr");
InputStream in = new FileInputStream(f);
ByteArrayOutputStream out = new ByteArrayOutputStream(1024);
byte[] bytes = new byte[(int) f.length()];
in.read(bytes);
String base64String = new String(bytes, "ISO-8859-1");
System.out.println(base64String);
Pattern p = Pattern
.compile("-----BEGIN NEW CERTIFICATE REQUEST-----([\\s\\S]*?)-----END NEW CERTIFICATE REQUEST-----([\\s\\S]*)");
BASE64Decoder decoder = new BASE64Decoder();
Matcher m = p.matcher(base64String);
if (m.find()) {
String s = m.group(1);
System.out.println(s.trim());
byte[] bArray = decoder.decodeBuffer(s);
PKCS10 csr = new PKCS10(bArray);
System.out.println(csr);
return csr;
}
throw new Exception("文件错误，无法读取csr");
}
@Test
public void testReadCsr() throws Exception {
PKCS10 csr = readCsr();
}
@Test
public void createCsr() throws Exception {
String storePass = "123456";
String alias = "test";
String alg = null;
KeyStore ks = this.loadKeyStore("d:/test.keystore", storePass, "JKS");
Certificate cert = ks.getCertificate(alias);
PrivateKey priKey = (PrivateKey) ks.getKey(alias,
"123456".toCharArray());
PublicKey pubKey = cert.getPublicKey();
PKCS10 csr = new PKCS10(pubKey);
String signAlg = null;
if (alg == null) {
alg = priKey.getAlgorithm();
if (("DSA".equalsIgnoreCase(alg)) || ("DSS".equalsIgnoreCase(alg)))
signAlg = "SHA1WithDSA";
else if ("RSA".equalsIgnoreCase((String) alg))
signAlg = "SHA1WithRSA";
else
throw new Exception("Cannot derive signature algorithm");
}
Signature signature = Signature.getInstance(signAlg);
signature.initSign(priKey);
X500Name x500Name = new X500Name(((X509Certificate) cert)
.getSubjectDN().toString());
X500Signer x500Signer = new X500Signer(signature, x500Name);
((PKCS10) csr).encodeAndSign(x500Signer);
File f = new File("D:/test.csr");
if (f.exists()) {
f.delete();
}
((PKCS10) csr).print(new PrintStream(new File("D:/test.csr")));
}
/**
* 签名
*
* @throws Exception
*/
@Test
public void testSignature() throws Exception {
KeyStore rootStore = this.loadKeyStore("d:/root.keystore", "123456",
"JKS");
PrivateKey rootKey = (PrivateKey) rootStore.getKey("root",
"123456".toCharArray());
X509CertImpl rootX509Cert = (X509CertImpl) rootStore
.getCertificate("root");
X500Name issuerX500Name = (X500Name) rootX509Cert.get(X509CertImpl.NAME
+ "." + X509CertImpl.INFO + "." + X509CertInfo.SUBJECT + "."
+ CertificateSubjectName.DN_NAME);
// 有效期设置
Calendar calendar = Calendar.getInstance();
Date startDate = calendar.getTime();
calendar.add(Calendar.DATE, 85);
Date endDate = calendar.getTime();
CertificateValidity certificateValidity = new CertificateValidity(
startDate, endDate);
// 序列号
CertificateSerialNumber sn = new CertificateSerialNumber(
(int) (startDate.getTime() / 1000L));
PKCS10 csr = this.readCsr();
PublicKey pubKey = csr.getSubjectPublicKeyInfo();
X500Name subjectX500Name = csr.getSubjectName();
// TODO 未实现
Signature signature = Signature.getInstance("Sha1WithRSA");
X500Signer signer = new X500Signer(signature, subjectX500Name);
AlgorithmId algorithmId = signer.getAlgorithmId();
X509CertInfo info = new X509CertInfo();
info.set(X509CertInfo.ALGORITHM_ID, new CertificateAlgorithmId(
algorithmId));
info.set(X509CertInfo.SUBJECT, new CertificateSubjectName(
subjectX500Name));
info.set(X509CertInfo.ISSUER, new CertificateIssuerName(issuerX500Name));
info.set(X509CertInfo.KEY, new CertificateX509Key(pubKey));
info.set(X509CertInfo.VERSION, new CertificateVersion(
CertificateVersion.V3));
info.set(X509CertInfo.VALIDITY, certificateValidity);
info.set(X509CertInfo.SERIAL_NUMBER, sn);
X509CertImpl newCert = new X509CertImpl(info);
newCert.sign(rootKey, "SHA1WithRSA");
OutputStream out = new FileOutputStream("d:/test.cer");
out.write(newCert.getEncoded());
out.write(rootX509Cert.getEncoded());
out.close();
}
}

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