Examples of KerberosKey

javax.security.auth.kerberos.KerberosKey
This class encapsulates a long term secret key for a Kerberos principal.
All Kerberos JAAS login modules that obtain a principal's password and generate the secret key from it should use this class. Sometimes, such as when authenticating a server in the absence of user-to-user authentication, the login module will store an instance of this class in the private credential set of a {@link javax.security.auth.Subject Subject} during the commit phase of theauthentication process.
A Kerberos service using a keytab to read secret keys should use the {@link KeyTab} class, where latest keys can be read when needed.
It might be necessary for the application to be granted a {@link javax.security.auth.PrivateCredentialPermission PrivateCredentialPermission} if it needs to access the KerberosKeyinstance from a Subject. This permission is not needed when the application depends on the default JGSS Kerberos mechanism to access the KerberosKey. In that case, however, the application will need an appropriate {@link javax.security.auth.kerberos.ServicePermission ServicePermission}. @author Mayank Upadhyay @since 1.4

Examples of javax.security.auth.kerberos.KerberosKey

            {
                for ( int ii = 0; ii < preAuthData.length; ii++ )
                {
                    if ( preAuthData[ii].getPaDataType().equals( PaDataType.PA_ENC_TIMESTAMP ) )
                    {
                        KerberosKey samKey = SamSubsystem.getInstance().verify( clientEntry,
                            preAuthData[ii].getPaDataValue() );
                        clientKey = new EncryptionKey( EncryptionType.getTypeByOrdinal( samKey.getKeyType() ), samKey
                            .getEncoded() );
                    }
                }
            }
            catch ( SamException se )

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Examples of javax.security.auth.kerberos.KerberosKey

     */
    @Test
    public void testDesKerberosKey()
    {
        KerberosPrincipal principal = new KerberosPrincipal( "hnelson@EXAMPLE.COM" );
        KerberosKey key = new KerberosKey( principal, "secret".toCharArray(), "DES" );


        assertEquals( "DES key length", 8, key.getEncoded().length );
    }

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Examples of javax.security.auth.kerberos.KerberosKey

    @Test
    public void testTripleDesKerberosKey()
    {
        KerberosPrincipal principal = new KerberosPrincipal( "hnelson@EXAMPLE.COM" );
        String algorithm = VendorHelper.getTripleDesAlgorithm();
        KerberosKey key = new KerberosKey( principal, "secret".toCharArray(), algorithm );


        assertEquals( "DESede key length", 24, key.getEncoded().length );
    }

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Examples of javax.security.auth.kerberos.KerberosKey

        {
            return;
        }


        KerberosPrincipal principal = new KerberosPrincipal( "hnelson@EXAMPLE.COM" );
        KerberosKey key = new KerberosKey( principal, "secret".toCharArray(), "ArcFourHmac" );


        assertEquals( "ArcFourHmac key length", 16, key.getEncoded().length );
    }

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Examples of javax.security.auth.kerberos.KerberosKey

     */
    @Test
    public void testAes128KerberosKey() throws Exception
    {
        KerberosPrincipal principal = new KerberosPrincipal( "hnelson@EXAMPLE.COM" );
        KerberosKey key = new KerberosKey( principal, "secret".toCharArray(), "AES128" );


        assertEquals( "AES128 key length", 16, key.getEncoded().length );
    }

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Examples of javax.security.auth.kerberos.KerberosKey

    public void testAes256KerberosKey()
    {
        try
        {
            KerberosPrincipal principal = new KerberosPrincipal( "hnelson@EXAMPLE.COM" );
            KerberosKey kerberosKey = new KerberosKey( principal, "secret".toCharArray(), "AES256" );
            assertEquals( "AES256 key length", 32, kerberosKey.getEncoded().length );
        }
        catch ( IllegalArgumentException iae )
        {
            // Algorithm AES256 not enabled
        }

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Examples of javax.security.auth.kerberos.KerberosKey

     * @throws Exception
     */
    @Test
    public void testPlainTextSizeLessThanBlockSize() throws Exception
    {
        KerberosKey key = new KerberosKey( new KerberosPrincipal( "hnelson@EXAMPLE.COM" ), PASSWORD, "DES" );
        byte[] keyBytes = key.getEncoded();
        EncryptionKey encryptionKey = new EncryptionKey( EncryptionType.DES_CBC_MD5, keyBytes );


        byte[] plainText =
            { 1, 2, 3, 4, 5, 6, 7 };

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Examples of javax.security.auth.kerberos.KerberosKey

     * @throws Exception
     */
    @Test
    public void testPlainTextSizeEqualsBlockSize() throws Exception
    {
        KerberosKey key = new KerberosKey( new KerberosPrincipal( "hnelson@EXAMPLE.COM" ), PASSWORD, "DES" );
        byte[] keyBytes = key.getEncoded();
        EncryptionKey encryptionKey = new EncryptionKey( EncryptionType.DES_CBC_MD5, keyBytes );


        byte[] plainText =
            { 1, 2, 3, 4, 5, 6, 7, 8 };

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Examples of javax.security.auth.kerberos.KerberosKey

     * @throws Exception
     */
    @Test
    public void testPlainTextSizeGreaterThanBlockSize() throws Exception
    {
        KerberosKey key = new KerberosKey( new KerberosPrincipal( "hnelson@EXAMPLE.COM" ), PASSWORD, "DES" );
        byte[] keyBytes = key.getEncoded();
        EncryptionKey encryptionKey = new EncryptionKey( EncryptionType.DES_CBC_MD5, keyBytes );


        byte[] plainText =
            { 1, 2, 3, 4, 5, 6, 7, 8, 9 };

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Examples of javax.security.auth.kerberos.KerberosKey

                ( byte ) 0x3E, ( byte ) 0x3B, ( byte ) 0xFE, ( byte ) 0xF7, ( byte ) 0x51, ( byte ) 0x19,
                ( byte ) 0x37, ( byte ) 0xDC, ( byte ) 0xF7, ( byte ) 0x2C, ( byte ) 0x3E };


        KerberosPrincipal principal = new KerberosPrincipal( "raeburn@ATHENA.MIT.EDU" );
        String algorithm = VendorHelper.getTripleDesAlgorithm();
        KerberosKey key = new KerberosKey( principal, "password".toCharArray(), algorithm );


        assertEquals( "DESede key length", 24, key.getEncoded().length );
        assertTrue( "Key match", Arrays.equals( expectedKey, key.getEncoded() ) );
    }

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