1 #pragma ident "%Z%%M% %I% %E% SMI" 2 /* 3 * lib/krb5/krb/init_keyblock.c 4 * 5 * Copyright (C) 2002 by the Massachusetts Institute of Technology. 6 * All rights reserved. 7 * 8 * Export of this software from the United States of America may 9 * require a specific license from the United States Government. 10 * It is the responsibility of any person or organization contemplating 11 * export to obtain such a license before exporting. 12 * 13 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 14 * distribute this software and its documentation for any purpose and 15 * without fee is hereby granted, provided that the above copyright 16 * notice appear in all copies and that both that copyright notice and 17 * this permission notice appear in supporting documentation, and that 18 * the name of M.I.T. not be used in advertising or publicity pertaining 19 * to distribution of the software without specific, written prior 20 * permission. Furthermore if you modify this software you must label 21 * your software as modified software and not distribute it in such a 22 * fashion that it might be confused with the original M.I.T. software. 23 * M.I.T. makes no representations about the suitability of 24 * this software for any purpose. It is provided "as is" without express 25 * or implied warranty. 26 * 27 * 28 * 29 * krb5_init_keyblock- a function to set up 30 * an empty keyblock 31 */ 32 33 34 #include "k5-int.h" 35 #include <assert.h> 36 37 krb5_error_code KRB5_CALLCONV krb5_init_keyblock 38 (krb5_context context, krb5_enctype enctype, 39 size_t length, krb5_keyblock **out) 40 { 41 krb5_keyblock *kb; 42 kb = malloc (sizeof(krb5_keyblock)); 43 assert (out); 44 *out = NULL; 45 if (!kb) { 46 return ENOMEM; 47 } 48 kb->magic = KV5M_KEYBLOCK; 49 kb->enctype = enctype; 50 kb->length = length; 51 if(length) { 52 kb->contents = malloc (length); 53 if(!kb->contents) { 54 free (kb); 55 return ENOMEM; 56 } 57 } else { 58 kb->contents = NULL; 59 } 60 kb->dk_list = NULL; 61 #ifdef _KERNEL 62 kb->kef_key = NULL; 63 #else 64 kb->hKey = CK_INVALID_HANDLE; 65 #endif 66 67 *out = kb; 68 return 0; 69 } 70