1 /* 2 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 6 7 /* 8 * Copyright (C) 1998 by the FundsXpress, INC. 9 * 10 * All rights reserved. 11 * 12 * Export of this software from the United States of America may require 13 * a specific license from the United States Government. It is the 14 * responsibility of any person or organization contemplating export to 15 * obtain such a license before exporting. 16 * 17 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 18 * distribute this software and its documentation for any purpose and 19 * without fee is hereby granted, provided that the above copyright 20 * notice appear in all copies and that both that copyright notice and 21 * this permission notice appear in supporting documentation, and that 22 * the name of FundsXpress. not be used in advertising or publicity pertaining 23 * to distribution of the software without specific, written prior 24 * permission. FundsXpress makes no representations about the suitability of 25 * this software for any purpose. It is provided "as is" without express 26 * or implied warranty. 27 * 28 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 29 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 30 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 31 */ 32 33 #include "k5-int.h" 34 #include "des_int.h" 35 #include "keyhash_provider.h" 36 #ifdef _KERNEL 37 #include <sys/kmem.h> 38 #include <sys/crypto/api.h> 39 #endif 40 41 /*ARGSUSED*/ 42 static krb5_error_code 43 k5_descbc_hash(krb5_context context, 44 krb5_const krb5_keyblock *key, 45 krb5_keyusage usage, 46 krb5_const krb5_data *ivec, 47 krb5_const krb5_data *input, krb5_data *output) 48 { 49 int ret; 50 krb5_data zero_ivec; 51 52 if (key->length != MIT_DES_KEYSIZE) 53 return(KRB5_BAD_KEYSIZE); 54 if ((input->length%8) != 0) 55 return(KRB5_BAD_MSIZE); 56 if (ivec && (ivec->length != MIT_DES_BLOCK_LENGTH)) 57 return(KRB5_CRYPTO_INTERNAL); 58 if (output->length != MIT_DES_BLOCK_LENGTH) 59 return(KRB5_CRYPTO_INTERNAL); 60 61 zero_ivec.data = (char *)mit_des_zeroblock; 62 zero_ivec.length = sizeof(mit_des_zeroblock); 63 64 ret = k5_ef_mac(context, (krb5_keyblock *)key, 65 ivec ? (krb5_data *)ivec : &zero_ivec, input, output); 66 67 return(ret); 68 } 69 70 const struct krb5_keyhash_provider krb5int_keyhash_descbc = { 71 MIT_DES_BLOCK_LENGTH, 72 k5_descbc_hash, 73 NULL 74 }; 75