JKS证书转换成PFX证书

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package com;import java.io.FileInputStream;import java.io.FileOutputStream;import java.security.Key;import java.security.KeyStore;import java.util.Enumeration;public class ConvertJKS {/**      * 从JKS格式转换为PKCS12格式      *    * @param jksFilePath      *     String JKS格式证书库路径    * @param jksPasswd      *    String JKS格式证书库密码   * @param pfxFilePath    *       String PKCS12格式证书库保存文件夹 * @param pfxPasswd     *            String PKCS12格式证书库密码    */  public void covertJSKToPFX(String jksFilePath, String jksPasswd, String pfxFolderPath, String pfxPasswd) throws Throwable   {         FileInputStream fis = null;     try          {        KeyStore inputKeyStore = KeyStore.getInstance("JKS");      fis = new FileInputStream(jksFilePath);            char[] srcPwd = jksPasswd == null ? null : jksPasswd.toCharArray();       char[] destPwd = pfxPasswd == null ? null : pfxPasswd.toCharArray();     inputKeyStore.load(fis, srcPwd);             KeyStore outputKeyStore = KeyStore.getInstance("PKCS12");      Enumeration enums = inputKeyStore.aliases();          while (enums.hasMoreElements())            {     String keyAlias = (String) enums.nextElement();           System.out.println("alias=[" + keyAlias + "]");        outputKeyStore.load(null, destPwd);                 if (inputKeyStore.isKeyEntry(keyAlias))           {                     Key key = inputKeyStore.getKey(keyAlias, srcPwd);      java.security.cert.Certificate[] certChain = inputKeyStore.getCertificateChain(keyAlias);    outputKeyStore.setKeyEntry(keyAlias, key, destPwd, certChain);         }                 String fName = pfxFolderPath + "_" + keyAlias + ".pfx";     FileOutputStream out = new FileOutputStream(fName);              outputKeyStore.store(out, destPwd);      out.close();                outputKeyStore.deleteEntry(keyAlias);      }         } finally   {          try         {            if (fis != null)     {                   fis.close();       }             } catch (Exception e)   {                 e.printStackTrace();          }       }      } public static void main(String[] args) throws Throwable {}}
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