yuzu/externals/libressl/crypto/asn1/x_pkey.c
2022-04-24 22:29:35 +02:00

122 lines
4.3 KiB
C
Executable File

/* $OpenBSD: x_pkey.c,v 1.21 2021/12/25 13:17:48 jsing Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include <stdio.h>
#include <string.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
X509_PKEY *
X509_PKEY_new(void)
{
X509_PKEY *ret = NULL;
if ((ret = malloc(sizeof(X509_PKEY))) == NULL) {
ASN1error(ERR_R_MALLOC_FAILURE);
goto err;
}
ret->version = 0;
if ((ret->enc_algor = X509_ALGOR_new()) == NULL) {
ASN1error(ERR_R_MALLOC_FAILURE);
goto err;
}
if ((ret->enc_pkey = ASN1_OCTET_STRING_new()) == NULL) {
ASN1error(ERR_R_MALLOC_FAILURE);
goto err;
}
ret->dec_pkey = NULL;
ret->key_length = 0;
ret->key_data = NULL;
ret->key_free = 0;
ret->cipher.cipher = NULL;
memset(ret->cipher.iv, 0, EVP_MAX_IV_LENGTH);
ret->references = 1;
return (ret);
err:
if (ret) {
X509_ALGOR_free(ret->enc_algor);
free(ret);
}
return NULL;
}
void
X509_PKEY_free(X509_PKEY *x)
{
int i;
if (x == NULL)
return;
i = CRYPTO_add(&x->references, -1, CRYPTO_LOCK_X509_PKEY);
if (i > 0)
return;
if (x->enc_algor != NULL)
X509_ALGOR_free(x->enc_algor);
ASN1_OCTET_STRING_free(x->enc_pkey);
EVP_PKEY_free(x->dec_pkey);
if ((x->key_data != NULL) && (x->key_free))
free(x->key_data);
free(x);
}