pfx 与 jks 互导工具类
public class ConventPFX { public static final String PKCS12 = "PKCS12"; public static final String JKS = "JKS"; public static final String PFX_KEYSTORE_FILE = "c:\\test.pfx"; public static final String KEYSTORE_PASSWORD = "123456"; public static final String JKS_KEYSTORE_FILE = "c:\\test.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(); } } public static void main(String[] args) { //coverToPfx(); //jks to pfx //coverTokeyStore(); // pfx to jks } } ?转载：http://blog.csdn.net/xieboshi/archive/2009/05/20/4204439.aspx