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209 lines
5.7 KiB
C
Executable File
209 lines
5.7 KiB
C
Executable File
/* $OpenBSD: evp_pkey.c,v 1.23 2018/08/24 20:26:03 tb Exp $ */
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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* project 1999.
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*/
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/* ====================================================================
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* Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <openssl/err.h>
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#include <openssl/x509.h>
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#include "asn1_locl.h"
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/* Extract a private key from a PKCS8 structure */
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EVP_PKEY *
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EVP_PKCS82PKEY(const PKCS8_PRIV_KEY_INFO *p8)
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{
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EVP_PKEY *pkey = NULL;
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const ASN1_OBJECT *algoid;
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char obj_tmp[80];
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if (!PKCS8_pkey_get0(&algoid, NULL, NULL, NULL, p8))
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return NULL;
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if (!(pkey = EVP_PKEY_new())) {
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EVPerror(ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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if (!EVP_PKEY_set_type(pkey, OBJ_obj2nid(algoid))) {
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EVPerror(EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
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i2t_ASN1_OBJECT(obj_tmp, 80, algoid);
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ERR_asprintf_error_data("TYPE=%s", obj_tmp);
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goto error;
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}
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if (pkey->ameth->priv_decode) {
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if (!pkey->ameth->priv_decode(pkey, p8)) {
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EVPerror(EVP_R_PRIVATE_KEY_DECODE_ERROR);
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goto error;
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}
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} else {
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EVPerror(EVP_R_METHOD_NOT_SUPPORTED);
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goto error;
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}
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return pkey;
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error:
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EVP_PKEY_free(pkey);
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return NULL;
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}
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/* Turn a private key into a PKCS8 structure */
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PKCS8_PRIV_KEY_INFO *
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EVP_PKEY2PKCS8(EVP_PKEY *pkey)
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{
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PKCS8_PRIV_KEY_INFO *p8;
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if (!(p8 = PKCS8_PRIV_KEY_INFO_new())) {
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EVPerror(ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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if (pkey->ameth) {
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if (pkey->ameth->priv_encode) {
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if (!pkey->ameth->priv_encode(p8, pkey)) {
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EVPerror(EVP_R_PRIVATE_KEY_ENCODE_ERROR);
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goto error;
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}
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} else {
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EVPerror(EVP_R_METHOD_NOT_SUPPORTED);
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goto error;
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}
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} else {
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EVPerror(EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
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goto error;
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}
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return p8;
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error:
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PKCS8_PRIV_KEY_INFO_free(p8);
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return NULL;
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}
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/* EVP_PKEY attribute functions */
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int
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EVP_PKEY_get_attr_count(const EVP_PKEY *key)
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{
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return X509at_get_attr_count(key->attributes);
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}
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int
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EVP_PKEY_get_attr_by_NID(const EVP_PKEY *key, int nid, int lastpos)
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{
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return X509at_get_attr_by_NID(key->attributes, nid, lastpos);
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}
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int
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EVP_PKEY_get_attr_by_OBJ(const EVP_PKEY *key, const ASN1_OBJECT *obj,
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int lastpos)
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{
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return X509at_get_attr_by_OBJ(key->attributes, obj, lastpos);
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}
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X509_ATTRIBUTE *
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EVP_PKEY_get_attr(const EVP_PKEY *key, int loc)
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{
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return X509at_get_attr(key->attributes, loc);
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}
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X509_ATTRIBUTE *
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EVP_PKEY_delete_attr(EVP_PKEY *key, int loc)
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{
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return X509at_delete_attr(key->attributes, loc);
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}
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int
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EVP_PKEY_add1_attr(EVP_PKEY *key, X509_ATTRIBUTE *attr)
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{
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if (X509at_add1_attr(&key->attributes, attr))
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return 1;
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return 0;
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}
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int
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EVP_PKEY_add1_attr_by_OBJ(EVP_PKEY *key, const ASN1_OBJECT *obj, int type,
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const unsigned char *bytes, int len)
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{
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if (X509at_add1_attr_by_OBJ(&key->attributes, obj, type, bytes, len))
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return 1;
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return 0;
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}
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int
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EVP_PKEY_add1_attr_by_NID(EVP_PKEY *key, int nid, int type,
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const unsigned char *bytes, int len)
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{
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if (X509at_add1_attr_by_NID(&key->attributes, nid, type, bytes, len))
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return 1;
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return 0;
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}
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int
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EVP_PKEY_add1_attr_by_txt(EVP_PKEY *key, const char *attrname, int type,
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const unsigned char *bytes, int len)
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{
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if (X509at_add1_attr_by_txt(&key->attributes, attrname, type,
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bytes, len))
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return 1;
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return 0;
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}
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