early-access version 1255
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pineappleEA
377
externals/libressl/crypto/cryptlib.c
vendored
Executable file
377
externals/libressl/crypto/cryptlib.c
vendored
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/* $OpenBSD: cryptlib.c,v 1.45 2019/01/26 11:30:32 deraadt Exp $ */
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/* ====================================================================
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* Copyright (c) 1998-2006 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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* openssl-core@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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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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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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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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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 the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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/* ====================================================================
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* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
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* ECDH support in OpenSSL originally developed by
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* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
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*/
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#include <pthread.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include <syslog.h>
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#include <unistd.h>
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#include <openssl/opensslconf.h>
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#include <openssl/crypto.h>
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static void (*locking_callback)(int mode, int type,
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const char *file, int line) = NULL;
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static int (*add_lock_callback)(int *pointer, int amount,
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int type, const char *file, int line) = NULL;
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int
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CRYPTO_num_locks(void)
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{
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return 1;
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}
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unsigned long
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(*CRYPTO_get_id_callback(void))(void)
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{
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return NULL;
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}
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void
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CRYPTO_set_id_callback(unsigned long (*func)(void))
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{
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return;
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}
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unsigned long
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CRYPTO_thread_id(void)
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{
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return (unsigned long)pthread_self();
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}
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void
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CRYPTO_set_locking_callback(void (*func)(int mode, int lock_num,
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const char *file, int line))
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{
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locking_callback = func;
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}
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void
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(*CRYPTO_get_locking_callback(void))(int mode, int lock_num,
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const char *file, int line)
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{
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return locking_callback;
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}
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void
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CRYPTO_set_add_lock_callback(int (*func)(int *num, int mount, int lock_num,
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const char *file, int line))
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{
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add_lock_callback = func;
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}
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int
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(*CRYPTO_get_add_lock_callback(void))(int *num, int mount, int type,
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const char *file, int line)
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{
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return add_lock_callback;
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}
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const char *
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CRYPTO_get_lock_name(int lock_num)
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{
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return "";
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}
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struct CRYPTO_dynlock_value *
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CRYPTO_get_dynlock_value(int i)
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{
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return NULL;
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}
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int CRYPTO_get_new_dynlockid(void)
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{
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return 0;
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}
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void
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CRYPTO_destroy_dynlockid(int i)
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{
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return;
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}
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int CRYPTO_get_new_lockid(char *name)
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{
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return 0;
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}
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int
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CRYPTO_THREADID_set_callback(void (*func)(CRYPTO_THREADID *))
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{
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return 1;
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}
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void
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(*CRYPTO_THREADID_get_callback(void))(CRYPTO_THREADID *)
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{
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return NULL;
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}
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void
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CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val)
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{
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return;
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}
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void
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CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr)
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{
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return;
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}
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void
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CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(
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*dyn_create_function)(const char *file, int line))
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{
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return;
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}
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void
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CRYPTO_set_dynlock_lock_callback(void (*dyn_lock_function)(
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int mode, struct CRYPTO_dynlock_value *l, const char *file, int line))
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{
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return;
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}
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void
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CRYPTO_set_dynlock_destroy_callback(void (*dyn_destroy_function)(
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struct CRYPTO_dynlock_value *l, const char *file, int line))
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{
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return;
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}
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struct CRYPTO_dynlock_value *
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(*CRYPTO_get_dynlock_create_callback(void))(
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const char *file, int line)
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{
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return NULL;
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}
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void
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(*CRYPTO_get_dynlock_lock_callback(void))(int mode,
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struct CRYPTO_dynlock_value *l, const char *file, int line)
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{
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return NULL;
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}
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void
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(*CRYPTO_get_dynlock_destroy_callback(void))(
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struct CRYPTO_dynlock_value *l, const char *file, int line)
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{
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return NULL;
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}
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void
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CRYPTO_THREADID_current(CRYPTO_THREADID *id)
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{
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memset(id, 0, sizeof(*id));
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id->val = (unsigned long)pthread_self();
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}
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int
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CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b)
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{
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return memcmp(a, b, sizeof(*a));
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}
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void
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CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src)
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{
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memcpy(dest, src, sizeof(*src));
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}
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unsigned long
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CRYPTO_THREADID_hash(const CRYPTO_THREADID *id)
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{
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return id->val;
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}
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#if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
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defined(__INTEL__) || \
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defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
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uint64_t OPENSSL_ia32cap_P;
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uint64_t
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OPENSSL_cpu_caps(void)
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{
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return OPENSSL_ia32cap_P;
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}
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#if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM)
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#define OPENSSL_CPUID_SETUP
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void
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OPENSSL_cpuid_setup(void)
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{
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static int trigger = 0;
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uint64_t OPENSSL_ia32_cpuid(void);
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if (trigger)
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return;
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trigger = 1;
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OPENSSL_ia32cap_P = OPENSSL_ia32_cpuid();
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}
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#endif
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#else
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uint64_t
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OPENSSL_cpu_caps(void)
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{
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return 0;
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}
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#endif
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#if !defined(OPENSSL_CPUID_SETUP) && !defined(OPENSSL_CPUID_OBJ)
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void
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OPENSSL_cpuid_setup(void)
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{
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}
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#endif
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static void
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OPENSSL_showfatal(const char *fmta, ...)
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{
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struct syslog_data sdata = SYSLOG_DATA_INIT;
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va_list ap;
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va_start(ap, fmta);
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vsyslog_r(LOG_INFO|LOG_LOCAL2, &sdata, fmta, ap);
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va_end(ap);
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}
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void
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OpenSSLDie(const char *file, int line, const char *assertion)
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{
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OPENSSL_showfatal(
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"uid %u cmd %s %s(%d): OpenSSL internal error, assertion failed: %s\n",
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getuid(), getprogname(), file, line, assertion);
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_exit(1);
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}
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int
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CRYPTO_memcmp(const void *in_a, const void *in_b, size_t len)
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{
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size_t i;
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const unsigned char *a = in_a;
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const unsigned char *b = in_b;
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unsigned char x = 0;
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for (i = 0; i < len; i++)
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x |= a[i] ^ b[i];
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return x;
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}
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