1 /* $OpenBSD: x_pkey.c,v 1.21 2021/12/25 13:17:48 jsing Exp $ */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59 #include <stdio.h> 60 #include <string.h> 61 62 #include <openssl/err.h> 63 #include <openssl/evp.h> 64 #include <openssl/objects.h> 65 #include <openssl/x509.h> 66 67 X509_PKEY * 68 X509_PKEY_new(void) 69 { 70 X509_PKEY *ret = NULL; 71 72 if ((ret = malloc(sizeof(X509_PKEY))) == NULL) { 73 ASN1error(ERR_R_MALLOC_FAILURE); 74 goto err; 75 } 76 ret->version = 0; 77 if ((ret->enc_algor = X509_ALGOR_new()) == NULL) { 78 ASN1error(ERR_R_MALLOC_FAILURE); 79 goto err; 80 } 81 if ((ret->enc_pkey = ASN1_OCTET_STRING_new()) == NULL) { 82 ASN1error(ERR_R_MALLOC_FAILURE); 83 goto err; 84 } 85 ret->dec_pkey = NULL; 86 ret->key_length = 0; 87 ret->key_data = NULL; 88 ret->key_free = 0; 89 ret->cipher.cipher = NULL; 90 memset(ret->cipher.iv, 0, EVP_MAX_IV_LENGTH); 91 ret->references = 1; 92 return (ret); 93 94 err: 95 if (ret) { 96 X509_ALGOR_free(ret->enc_algor); 97 free(ret); 98 } 99 return NULL; 100 } 101 102 void 103 X509_PKEY_free(X509_PKEY *x) 104 { 105 int i; 106 107 if (x == NULL) 108 return; 109 110 i = CRYPTO_add(&x->references, -1, CRYPTO_LOCK_X509_PKEY); 111 if (i > 0) 112 return; 113 114 if (x->enc_algor != NULL) 115 X509_ALGOR_free(x->enc_algor); 116 ASN1_OCTET_STRING_free(x->enc_pkey); 117 EVP_PKEY_free(x->dec_pkey); 118 if ((x->key_data != NULL) && (x->key_free)) 119 free(x->key_data); 120 free(x); 121 } 122