17c478bd9Sstevel@tonic-gate /*
2*159d09a2SMark Phalan * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
37c478bd9Sstevel@tonic-gate * Use is subject to license terms.
47c478bd9Sstevel@tonic-gate */
57c478bd9Sstevel@tonic-gate
67c478bd9Sstevel@tonic-gate
77c478bd9Sstevel@tonic-gate /*
87c478bd9Sstevel@tonic-gate * Copyright (C) 1998 by the FundsXpress, INC.
97c478bd9Sstevel@tonic-gate *
107c478bd9Sstevel@tonic-gate * All rights reserved.
117c478bd9Sstevel@tonic-gate *
127c478bd9Sstevel@tonic-gate * Export of this software from the United States of America may require
137c478bd9Sstevel@tonic-gate * a specific license from the United States Government. It is the
147c478bd9Sstevel@tonic-gate * responsibility of any person or organization contemplating export to
157c478bd9Sstevel@tonic-gate * obtain such a license before exporting.
167c478bd9Sstevel@tonic-gate *
177c478bd9Sstevel@tonic-gate * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
187c478bd9Sstevel@tonic-gate * distribute this software and its documentation for any purpose and
197c478bd9Sstevel@tonic-gate * without fee is hereby granted, provided that the above copyright
207c478bd9Sstevel@tonic-gate * notice appear in all copies and that both that copyright notice and
217c478bd9Sstevel@tonic-gate * this permission notice appear in supporting documentation, and that
227c478bd9Sstevel@tonic-gate * the name of FundsXpress. not be used in advertising or publicity pertaining
237c478bd9Sstevel@tonic-gate * to distribution of the software without specific, written prior
247c478bd9Sstevel@tonic-gate * permission. FundsXpress makes no representations about the suitability of
257c478bd9Sstevel@tonic-gate * this software for any purpose. It is provided "as is" without express
267c478bd9Sstevel@tonic-gate * or implied warranty.
277c478bd9Sstevel@tonic-gate *
287c478bd9Sstevel@tonic-gate * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
297c478bd9Sstevel@tonic-gate * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
307c478bd9Sstevel@tonic-gate * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
317c478bd9Sstevel@tonic-gate */
327c478bd9Sstevel@tonic-gate
33*159d09a2SMark Phalan #include "k5-int.h"
34*159d09a2SMark Phalan #include "des_int.h"
35*159d09a2SMark Phalan #include "keyhash_provider.h"
367c478bd9Sstevel@tonic-gate #ifdef _KERNEL
377c478bd9Sstevel@tonic-gate #include <sys/kmem.h>
387c478bd9Sstevel@tonic-gate #include <sys/crypto/api.h>
397c478bd9Sstevel@tonic-gate #endif
407c478bd9Sstevel@tonic-gate
417c478bd9Sstevel@tonic-gate /*ARGSUSED*/
427c478bd9Sstevel@tonic-gate static krb5_error_code
k5_descbc_hash(krb5_context context,krb5_const krb5_keyblock * key,krb5_keyusage usage,krb5_const krb5_data * ivec,krb5_const krb5_data * input,krb5_data * output)437c478bd9Sstevel@tonic-gate k5_descbc_hash(krb5_context context,
447c478bd9Sstevel@tonic-gate krb5_const krb5_keyblock *key,
457c478bd9Sstevel@tonic-gate krb5_keyusage usage,
467c478bd9Sstevel@tonic-gate krb5_const krb5_data *ivec,
477c478bd9Sstevel@tonic-gate krb5_const krb5_data *input, krb5_data *output)
487c478bd9Sstevel@tonic-gate {
497c478bd9Sstevel@tonic-gate int ret;
507c478bd9Sstevel@tonic-gate krb5_data zero_ivec;
517c478bd9Sstevel@tonic-gate
527c478bd9Sstevel@tonic-gate if (key->length != MIT_DES_KEYSIZE)
537c478bd9Sstevel@tonic-gate return(KRB5_BAD_KEYSIZE);
547c478bd9Sstevel@tonic-gate if ((input->length%8) != 0)
557c478bd9Sstevel@tonic-gate return(KRB5_BAD_MSIZE);
567c478bd9Sstevel@tonic-gate if (ivec && (ivec->length != MIT_DES_BLOCK_LENGTH))
577c478bd9Sstevel@tonic-gate return(KRB5_CRYPTO_INTERNAL);
587c478bd9Sstevel@tonic-gate if (output->length != MIT_DES_BLOCK_LENGTH)
597c478bd9Sstevel@tonic-gate return(KRB5_CRYPTO_INTERNAL);
607c478bd9Sstevel@tonic-gate
617c478bd9Sstevel@tonic-gate zero_ivec.data = (char *)mit_des_zeroblock;
627c478bd9Sstevel@tonic-gate zero_ivec.length = sizeof(mit_des_zeroblock);
637c478bd9Sstevel@tonic-gate
647c478bd9Sstevel@tonic-gate ret = k5_ef_mac(context, (krb5_keyblock *)key,
657c478bd9Sstevel@tonic-gate ivec ? (krb5_data *)ivec : &zero_ivec, input, output);
667c478bd9Sstevel@tonic-gate
677c478bd9Sstevel@tonic-gate return(ret);
687c478bd9Sstevel@tonic-gate }
697c478bd9Sstevel@tonic-gate
70*159d09a2SMark Phalan const struct krb5_keyhash_provider krb5int_keyhash_descbc = {
71505d05c7Sgtb MIT_DES_BLOCK_LENGTH,
727c478bd9Sstevel@tonic-gate k5_descbc_hash,
737c478bd9Sstevel@tonic-gate NULL
747c478bd9Sstevel@tonic-gate };
75