tigase.cert

Class CertificateUtil

java.lang.Object

tigase.cert.CertificateUtil

public abstract class CertificateUtil
extends Object

Created: Sep 22, 2010 3:09:01 PM

Version:

$Rev$

Author:

Artur Hefczyc

Field Summary

Fields

Modifier and Type	Field and Description
protected static byte[]	ID_ON_XMPPADDR

Constructor Summary

Constructors

Constructor and Description
CertificateUtil()

Method Summary

Modifier and Type	Method and Description
static KeyPair	createKeyPair(int size, String password)
static X509Certificate	createSelfSignedCertificate(String email, String domain, String organizationUnit, String organization, String city, String state, String country, KeyPair keyPair)
static String	exportToPemFormat(CertificateEntry entry)
protected static String	extractCN(X500Principal principal)
static List<String>	extractXmppAddrs(X509Certificate x509Certificate)
static ArrayList<String>	getCertAltCName(X509Certificate cert)
static String	getCertCName(X509Certificate cert)
static boolean	isExpired(X509Certificate cert)
static boolean	isSelfSigned(X509Certificate cert)
static CertificateEntry	loadCertificate(byte[] bytes) Loads a certificate from a DER byte buffer.
static CertificateEntry	loadCertificate(File file)
static CertificateEntry	loadCertificate(String file)
static PrivateKey	loadPrivateKeyFromDER(File file)
static void	main(String[] args)
static boolean	match(String hostname, String altName) Checks if hostname matches name or wildcard
static CertificateEntry	parseCertificate(Reader data)
static Certificate[]	sort(Certificate[] chain)
static List<Certificate>	sort(List<Certificate> certs)
static void	storeCertificate(String file, CertificateEntry entry)
static CertCheckResult	validateCertificate(Certificate[] chain, KeyStore trustKeystore, boolean revocationEnabled)
static boolean	verifyCertificateForDomain(X509Certificate cert, String hostname) Method used to verify if certificate if valid for particular domain (if domain matches CN or ALT of certificate)
protected static boolean	verifyCertificateForHostname(String hostname, X509Certificate x509Certificate)
protected static boolean	verifyCertificateForIp(String ipAddr, X509Certificate x509Certificate)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ID_ON_XMPPADDR

protected static final byte[] ID_ON_XMPPADDR

Constructor Detail

CertificateUtil

public CertificateUtil()

Method Detail

createKeyPair

public static KeyPair createKeyPair(int size,
                                    String password)
                             throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

createSelfSignedCertificate

public static X509Certificate createSelfSignedCertificate(String email,
                                                          String domain,
                                                          String organizationUnit,
                                                          String organization,
                                                          String city,
                                                          String state,
                                                          String country,
                                                          KeyPair keyPair)
                                                   throws CertificateException,
                                                          IOException,
                                                          NoSuchAlgorithmException,
                                                          InvalidKeyException,
                                                          NoSuchProviderException,
                                                          SignatureException

Throws:

CertificateException

IOException

NoSuchAlgorithmException

InvalidKeyException

NoSuchProviderException

SignatureException

exportToPemFormat

public static String exportToPemFormat(CertificateEntry entry)
                                throws CertificateEncodingException

Throws:

CertificateEncodingException

extractXmppAddrs

public static List<String> extractXmppAddrs(X509Certificate x509Certificate)

getCertAltCName

public static ArrayList<String> getCertAltCName(X509Certificate cert)

getCertCName

public static String getCertCName(X509Certificate cert)

isExpired

public static boolean isExpired(X509Certificate cert)

isSelfSigned

public static boolean isSelfSigned(X509Certificate cert)

loadCertificate

public static CertificateEntry loadCertificate(File file)
                                        throws FileNotFoundException,
                                               IOException,
                                               CertificateException,
                                               NoSuchAlgorithmException,
                                               InvalidKeySpecException

Throws:

FileNotFoundException

IOException

CertificateException

NoSuchAlgorithmException

InvalidKeySpecException

loadCertificate

public static CertificateEntry loadCertificate(byte[] bytes)
                                        throws CertificateException,
                                               NoSuchProviderException

Loads a certificate from a DER byte buffer.

Parameters:

bytes -

Returns:

Throws:

CertificateException

NoSuchProviderException

loadCertificate

public static CertificateEntry loadCertificate(String file)
                                        throws FileNotFoundException,
                                               IOException,
                                               CertificateException,
                                               NoSuchAlgorithmException,
                                               InvalidKeySpecException

Throws:

FileNotFoundException

IOException

CertificateException

NoSuchAlgorithmException

InvalidKeySpecException

loadPrivateKeyFromDER

public static PrivateKey loadPrivateKeyFromDER(File file)
                                        throws FileNotFoundException,
                                               IOException,
                                               NoSuchAlgorithmException,
                                               InvalidKeySpecException

Throws:

FileNotFoundException

IOException

NoSuchAlgorithmException

InvalidKeySpecException

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception

parseCertificate

public static CertificateEntry parseCertificate(Reader data)
                                         throws IOException,
                                                CertificateException,
                                                NoSuchAlgorithmException,
                                                InvalidKeySpecException

Throws:

IOException

CertificateException

NoSuchAlgorithmException

InvalidKeySpecException

sort

public static Certificate[] sort(Certificate[] chain)

sort

public static List<Certificate> sort(List<Certificate> certs)

storeCertificate

public static void storeCertificate(String file,
                                    CertificateEntry entry)
                             throws CertificateEncodingException,
                                    IOException

Throws:

CertificateEncodingException

IOException

validateCertificate

public static CertCheckResult validateCertificate(Certificate[] chain,
                                                  KeyStore trustKeystore,
                                                  boolean revocationEnabled)
                                           throws NoSuchAlgorithmException,
                                                  KeyStoreException,
                                                  InvalidAlgorithmParameterException,
                                                  CertificateException

Throws:

NoSuchAlgorithmException

KeyStoreException

InvalidAlgorithmParameterException

CertificateException

verifyCertificateForDomain

public static boolean verifyCertificateForDomain(X509Certificate cert,
                                                 String hostname)
                                          throws CertificateParsingException

Method used to verify if certificate if valid for particular domain (if domain matches CN or ALT of certificate)

Parameters:

cert -

hostname -

Returns:

true if certificate is valid

Throws:

CertificateParsingException

extractCN

protected static String extractCN(X500Principal principal)

match

public static boolean match(String hostname,
                            String altName)

Checks if hostname matches name or wildcard

Parameters:

hostname -

altName -

Returns:

true if there is a match

verifyCertificateForHostname

protected static boolean verifyCertificateForHostname(String hostname,
                                                      X509Certificate x509Certificate)
                                               throws CertificateParsingException

Throws:

CertificateParsingException

verifyCertificateForIp

protected static boolean verifyCertificateForIp(String ipAddr,
                                                X509Certificate x509Certificate)
                                         throws CertificateParsingException

Throws:

CertificateParsingException