证书格式转换

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.security.Key;
import java.security.KeyStore;
import java.security.cert.Certificate;
import java.util.Enumeration;

import org.apache.commons.lang.ArrayUtils;

/**
 * jks pfx 证书转换
 * @author HEQIANG537
 * @date 2011.02.18
 * 
 */
public class ConventPFX {
	public static final String PKCS12 = "PKCS12";

	public static final String JKS = "JKS";

//	public static final String PFX_KEYSTORE_FILE = "D:/BIS工作记录/bis1.2.1/EXV_BIS_IFRONT_PCIS_XYZ_001_PRD.pfx";
	public static final String PFX_KEYSTORE_FILE = "EXV_BIS_IFRONT_PCIS_XINGLI_001_STG.pfx";

	public static final String KEYSTORE_PASSWORD = "XXXXXX";

	public static final String JKS_KEYSTORE_FILE = "EXV_BIS_IFRONT_PCIS_PTPTAOBAO_001_STG.jks";

	public static void coverTokeyStore() {
		try {
			KeyStore inputKeyStore = KeyStore.getInstance("PKCS12");
			FileInputStream fis = new FileInputStream(PFX_KEYSTORE_FILE);
			char[] nPassword = null;
			if ((KEYSTORE_PASSWORD == null)
					|| KEYSTORE_PASSWORD.trim().equals("")) {
				nPassword = null;
			} else {
				nPassword = KEYSTORE_PASSWORD.toCharArray();
			}
			inputKeyStore.load(fis, nPassword);
			fis.close();
			KeyStore outputKeyStore = KeyStore.getInstance("JKS");
			outputKeyStore.load(null, KEYSTORE_PASSWORD.toCharArray());
			Enumeration enums = inputKeyStore.aliases();
			while (enums.hasMoreElements()) { // we are readin just one
				// certificate.
				String keyAlias = (String) enums.nextElement();
				System.out.println("alias=[" + keyAlias + "]");
				if (inputKeyStore.isKeyEntry(keyAlias)) {
					Key key = inputKeyStore.getKey(keyAlias, nPassword);
					Certificate[] certChain = inputKeyStore
							.getCertificateChain(keyAlias);
					outputKeyStore.setKeyEntry(keyAlias, key, KEYSTORE_PASSWORD
							.toCharArray(), certChain);
				}
			}
			FileOutputStream out = new FileOutputStream(JKS_KEYSTORE_FILE);
			outputKeyStore.store(out, nPassword);
			out.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public static void coverToPfx() {
		try {
			KeyStore inputKeyStore = KeyStore.getInstance("JKS");
			FileInputStream fis = new FileInputStream(JKS_KEYSTORE_FILE);
			char[] nPassword = null;
			if ((KEYSTORE_PASSWORD == null)
					|| KEYSTORE_PASSWORD.trim().equals("")) {
				nPassword = null;
			} else {
				nPassword = KEYSTORE_PASSWORD.toCharArray();
			}
			inputKeyStore.load(fis, nPassword);
			fis.close();
			KeyStore outputKeyStore = KeyStore.getInstance("PKCS12");
			outputKeyStore.load(null, KEYSTORE_PASSWORD.toCharArray());
			Enumeration enums = inputKeyStore.aliases();
			while (enums.hasMoreElements()) { // we are readin just one
				// certificate.
				String keyAlias = (String) enums.nextElement();
				System.out.println("alias=[" + keyAlias + "]");
				if (inputKeyStore.isKeyEntry(keyAlias)) {
					Key key = inputKeyStore.getKey(keyAlias, nPassword);
					Certificate[] certChain = inputKeyStore
							.getCertificateChain(keyAlias);
					outputKeyStore.setKeyEntry(keyAlias, key, KEYSTORE_PASSWORD
							.toCharArray(), certChain);
				}
			}
			FileOutputStream out = new FileOutputStream(PFX_KEYSTORE_FILE);
			outputKeyStore.store(out, nPassword);
			out.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	private static String[] idtypes = {"1","2","3","5","6","7","8","A","B","C","D","E","F","G","H","I","J","K","L"};
	private static String[] sexcodes = {"F","M"};
	public static void main(String[] args) {
		System.out.println("hello");
		//coverToPfx(); // jks to pfx
		 coverTokeyStore(); // pfx to jks
		//System.out.println(ArrayUtils.contains(idtypes, "1"));

	}
}