1 /* 2 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 6 #pragma ident "%Z%%M% %I% %E% SMI" 7 8 /* 9 * Copyright (C) 1998 by the FundsXpress, INC. 10 * 11 * All rights reserved. 12 * 13 * Export of this software from the United States of America may require 14 * a specific license from the United States Government. It is the 15 * responsibility of any person or organization contemplating export to 16 * obtain such a license before exporting. 17 * 18 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 19 * distribute this software and its documentation for any purpose and 20 * without fee is hereby granted, provided that the above copyright 21 * notice appear in all copies and that both that copyright notice and 22 * this permission notice appear in supporting documentation, and that 23 * the name of FundsXpress. not be used in advertising or publicity pertaining 24 * to distribution of the software without specific, written prior 25 * permission. FundsXpress makes no representations about the suitability of 26 * this software for any purpose. It is provided "as is" without express 27 * or implied warranty. 28 * 29 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 30 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 31 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 32 */ 33 34 #include <k5-int.h> 35 #include <des_int.h> 36 #include <keyhash_provider.h> 37 #ifdef _KERNEL 38 #include <sys/kmem.h> 39 #include <sys/crypto/api.h> 40 #endif 41 42 /*ARGSUSED*/ 43 static krb5_error_code 44 k5_descbc_hash(krb5_context context, 45 krb5_const krb5_keyblock *key, 46 krb5_keyusage usage, 47 krb5_const krb5_data *ivec, 48 krb5_const krb5_data *input, krb5_data *output) 49 { 50 int ret; 51 krb5_data zero_ivec; 52 53 if (key->length != MIT_DES_KEYSIZE) 54 return(KRB5_BAD_KEYSIZE); 55 if ((input->length%8) != 0) 56 return(KRB5_BAD_MSIZE); 57 if (ivec && (ivec->length != MIT_DES_BLOCK_LENGTH)) 58 return(KRB5_CRYPTO_INTERNAL); 59 if (output->length != MIT_DES_BLOCK_LENGTH) 60 return(KRB5_CRYPTO_INTERNAL); 61 62 zero_ivec.data = (char *)mit_des_zeroblock; 63 zero_ivec.length = sizeof(mit_des_zeroblock); 64 65 ret = k5_ef_mac(context, (krb5_keyblock *)key, 66 ivec ? (krb5_data *)ivec : &zero_ivec, input, output); 67 68 return(ret); 69 } 70 71 const struct krb5_keyhash_provider krb5_keyhash_descbc = { 72 MIT_DES_BLOCK_LENGTH, 73 k5_descbc_hash, 74 NULL 75 }; 76