}


    private static byte[] getHmac ( byte[] data, byte[] key ) throws GeneralSecurityException {
        Key macKey = new SecretKeySpec(key.clone(), KerberosConstants.HMAC_ALGORITHM);
        Mac mac = Mac.getInstance(KerberosConstants.HMAC_ALGORITHM);
        mac.init(macKey);
        return mac.doFinal(data);
    }


    public String getUserRealm () {
        return this.userRealm;
    }

                    kn[m] |= bigbyte[j];
                if ( pcr[pc2[j+24]] != 0 )
                    kn[n] |= bigbyte[j];
            }
        }
        cookey( kn, KnL );
    }

    private void cookey( int[] raw, int KnL[] )     {
        int raw0, raw1;
        int rawi, KnLi;
        int i;

        for ( i = 0, rawi = 0, KnLi = 0; i < 16; ++i )   {
            raw0 = raw[rawi++];

ordinary General Public License).

  To apply these terms, attach the following notices to the library.  It is
safest to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least the
"copyright" line and a pointer to where the full notice is found.

    {description}
    Copyright (C) {year} {fullname}