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"));

}
}

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