1 /* 2 * Copyright (c) 1997 - 1999 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 void 37 krb5_free_keyblock_contents(krb5_context context, 38 krb5_keyblock *keyblock) 39 { 40 if(keyblock) { 41 if (keyblock->keyvalue.data != NULL) 42 memset(keyblock->keyvalue.data, 0, keyblock->keyvalue.length); 43 krb5_data_free (&keyblock->keyvalue); 44 } 45 } 46 47 void 48 krb5_free_keyblock(krb5_context context, 49 krb5_keyblock *keyblock) 50 { 51 if(keyblock){ 52 krb5_free_keyblock_contents(context, keyblock); 53 free(keyblock); 54 } 55 } 56 57 krb5_error_code 58 krb5_copy_keyblock_contents (krb5_context context, 59 const krb5_keyblock *inblock, 60 krb5_keyblock *to) 61 { 62 return copy_EncryptionKey(inblock, to); 63 } 64 65 krb5_error_code 66 krb5_copy_keyblock (krb5_context context, 67 const krb5_keyblock *inblock, 68 krb5_keyblock **to) 69 { 70 krb5_keyblock *k; 71 72 k = malloc (sizeof(*k)); 73 if (k == NULL) 74 return ENOMEM; 75 *to = k; 76 return krb5_copy_keyblock_contents (context, inblock, k); 77 } 78