* algorithm that is not DES will be rejected before this
* point. Also, a DES key that is not 64 bits will be
* rejected by a good implementations of JCE.
*/
if (key.length > 8)
throw new KrbCryptoException("Invalid DES Key!");
int new_size = data.length + confounderSize() + checksumSize();
byte[] new_data;
byte pad;
/*Data padding: using Kerberos 5 GSS-API mechanism (1.2.2.3), Jun 1996.