1 /* 2 * Copyright (c) 1997 - 2001 Kungliga Tekniska H�gskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include "krb5_locl.h" 35 36 RCSID("$Id: keyblock.c,v 1.12 2001/05/14 06:14:48 assar Exp $"); 37 38 void 39 krb5_free_keyblock_contents(krb5_context context, 40 krb5_keyblock *keyblock) 41 { 42 if(keyblock) { 43 if (keyblock->keyvalue.data != NULL) 44 memset(keyblock->keyvalue.data, 0, keyblock->keyvalue.length); 45 krb5_data_free (&keyblock->keyvalue); 46 } 47 } 48 49 void 50 krb5_free_keyblock(krb5_context context, 51 krb5_keyblock *keyblock) 52 { 53 if(keyblock){ 54 krb5_free_keyblock_contents(context, keyblock); 55 free(keyblock); 56 } 57 } 58 59 krb5_error_code 60 krb5_copy_keyblock_contents (krb5_context context, 61 const krb5_keyblock *inblock, 62 krb5_keyblock *to) 63 { 64 return copy_EncryptionKey(inblock, to); 65 } 66 67 krb5_error_code 68 krb5_copy_keyblock (krb5_context context, 69 const krb5_keyblock *inblock, 70 krb5_keyblock **to) 71 { 72 krb5_keyblock *k; 73 74 k = malloc (sizeof(*k)); 75 if (k == NULL) { 76 krb5_set_error_string(context, "malloc: out of memory"); 77 return ENOMEM; 78 } 79 *to = k; 80 return krb5_copy_keyblock_contents (context, inblock, k); 81 } 82