mirror of
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446 lines
17 KiB
C
446 lines
17 KiB
C
/*
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* Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
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* Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifndef HEADER_CRYPTO_H
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# define HEADER_CRYPTO_H
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# include <stdlib.h>
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# include <time.h>
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# include <openssl/e_os2.h>
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# ifndef OPENSSL_NO_STDIO
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# include <stdio.h>
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# endif
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# include <openssl/safestack.h>
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# include <openssl/opensslv.h>
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# include <openssl/ossl_typ.h>
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# include <openssl/opensslconf.h>
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# include <openssl/cryptoerr.h>
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# ifdef CHARSET_EBCDIC
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# include <openssl/ebcdic.h>
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# endif
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/*
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* Resolve problems on some operating systems with symbol names that clash
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* one way or another
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*/
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# include <openssl/symhacks.h>
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# if OPENSSL_API_COMPAT < 0x10100000L
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# include <openssl/opensslv.h>
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# endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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# if OPENSSL_API_COMPAT < 0x10100000L
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# define SSLeay OpenSSL_version_num
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# define SSLeay_version OpenSSL_version
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# define SSLEAY_VERSION_NUMBER OPENSSL_VERSION_NUMBER
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# define SSLEAY_VERSION OPENSSL_VERSION
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# define SSLEAY_CFLAGS OPENSSL_CFLAGS
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# define SSLEAY_BUILT_ON OPENSSL_BUILT_ON
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# define SSLEAY_PLATFORM OPENSSL_PLATFORM
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# define SSLEAY_DIR OPENSSL_DIR
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/*
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* Old type for allocating dynamic locks. No longer used. Use the new thread
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* API instead.
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*/
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typedef struct {
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int dummy;
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} CRYPTO_dynlock;
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# endif /* OPENSSL_API_COMPAT */
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typedef void CRYPTO_RWLOCK;
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CRYPTO_RWLOCK *CRYPTO_THREAD_lock_new(void);
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int CRYPTO_THREAD_read_lock(CRYPTO_RWLOCK *lock);
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int CRYPTO_THREAD_write_lock(CRYPTO_RWLOCK *lock);
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int CRYPTO_THREAD_unlock(CRYPTO_RWLOCK *lock);
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void CRYPTO_THREAD_lock_free(CRYPTO_RWLOCK *lock);
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int CRYPTO_atomic_add(int *val, int amount, int *ret, CRYPTO_RWLOCK *lock);
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/*
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* The following can be used to detect memory leaks in the library. If
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* used, it turns on malloc checking
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*/
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# define CRYPTO_MEM_CHECK_OFF 0x0 /* Control only */
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# define CRYPTO_MEM_CHECK_ON 0x1 /* Control and mode bit */
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# define CRYPTO_MEM_CHECK_ENABLE 0x2 /* Control and mode bit */
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# define CRYPTO_MEM_CHECK_DISABLE 0x3 /* Control only */
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struct crypto_ex_data_st {
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STACK_OF(void) *sk;
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};
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DEFINE_STACK_OF(void)
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/*
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* Per class, we have a STACK of function pointers.
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*/
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# define CRYPTO_EX_INDEX_SSL 0
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# define CRYPTO_EX_INDEX_SSL_CTX 1
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# define CRYPTO_EX_INDEX_SSL_SESSION 2
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# define CRYPTO_EX_INDEX_X509 3
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# define CRYPTO_EX_INDEX_X509_STORE 4
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# define CRYPTO_EX_INDEX_X509_STORE_CTX 5
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# define CRYPTO_EX_INDEX_DH 6
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# define CRYPTO_EX_INDEX_DSA 7
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# define CRYPTO_EX_INDEX_EC_KEY 8
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# define CRYPTO_EX_INDEX_RSA 9
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# define CRYPTO_EX_INDEX_ENGINE 10
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# define CRYPTO_EX_INDEX_UI 11
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# define CRYPTO_EX_INDEX_BIO 12
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# define CRYPTO_EX_INDEX_APP 13
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# define CRYPTO_EX_INDEX_UI_METHOD 14
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# define CRYPTO_EX_INDEX_DRBG 15
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# define CRYPTO_EX_INDEX__COUNT 16
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/* No longer needed, so this is a no-op */
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#define OPENSSL_malloc_init() while(0) continue
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int CRYPTO_mem_ctrl(int mode);
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# define OPENSSL_malloc(num) \
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CRYPTO_malloc(num, OPENSSL_FILE, OPENSSL_LINE)
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# define OPENSSL_zalloc(num) \
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CRYPTO_zalloc(num, OPENSSL_FILE, OPENSSL_LINE)
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# define OPENSSL_realloc(addr, num) \
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CRYPTO_realloc(addr, num, OPENSSL_FILE, OPENSSL_LINE)
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# define OPENSSL_clear_realloc(addr, old_num, num) \
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CRYPTO_clear_realloc(addr, old_num, num, OPENSSL_FILE, OPENSSL_LINE)
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# define OPENSSL_clear_free(addr, num) \
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CRYPTO_clear_free(addr, num, OPENSSL_FILE, OPENSSL_LINE)
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# define OPENSSL_free(addr) \
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CRYPTO_free(addr, OPENSSL_FILE, OPENSSL_LINE)
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# define OPENSSL_memdup(str, s) \
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CRYPTO_memdup((str), s, OPENSSL_FILE, OPENSSL_LINE)
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# define OPENSSL_strdup(str) \
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CRYPTO_strdup(str, OPENSSL_FILE, OPENSSL_LINE)
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# define OPENSSL_strndup(str, n) \
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CRYPTO_strndup(str, n, OPENSSL_FILE, OPENSSL_LINE)
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# define OPENSSL_secure_malloc(num) \
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CRYPTO_secure_malloc(num, OPENSSL_FILE, OPENSSL_LINE)
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# define OPENSSL_secure_zalloc(num) \
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CRYPTO_secure_zalloc(num, OPENSSL_FILE, OPENSSL_LINE)
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# define OPENSSL_secure_free(addr) \
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CRYPTO_secure_free(addr, OPENSSL_FILE, OPENSSL_LINE)
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# define OPENSSL_secure_clear_free(addr, num) \
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CRYPTO_secure_clear_free(addr, num, OPENSSL_FILE, OPENSSL_LINE)
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# define OPENSSL_secure_actual_size(ptr) \
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CRYPTO_secure_actual_size(ptr)
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size_t OPENSSL_strlcpy(char *dst, const char *src, size_t siz);
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size_t OPENSSL_strlcat(char *dst, const char *src, size_t siz);
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size_t OPENSSL_strnlen(const char *str, size_t maxlen);
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char *OPENSSL_buf2hexstr(const unsigned char *buffer, long len);
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unsigned char *OPENSSL_hexstr2buf(const char *str, long *len);
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int OPENSSL_hexchar2int(unsigned char c);
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# define OPENSSL_MALLOC_MAX_NELEMS(type) (((1U<<(sizeof(int)*8-1))-1)/sizeof(type))
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unsigned long OpenSSL_version_num(void);
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const char *OpenSSL_version(int type);
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# define OPENSSL_VERSION 0
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# define OPENSSL_CFLAGS 1
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# define OPENSSL_BUILT_ON 2
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# define OPENSSL_PLATFORM 3
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# define OPENSSL_DIR 4
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# define OPENSSL_ENGINES_DIR 5
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int OPENSSL_issetugid(void);
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typedef void CRYPTO_EX_new (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
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int idx, long argl, void *argp);
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typedef void CRYPTO_EX_free (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
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int idx, long argl, void *argp);
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typedef int CRYPTO_EX_dup (CRYPTO_EX_DATA *to, const CRYPTO_EX_DATA *from,
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void *from_d, int idx, long argl, void *argp);
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__owur int CRYPTO_get_ex_new_index(int class_index, long argl, void *argp,
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CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
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CRYPTO_EX_free *free_func);
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/* No longer use an index. */
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int CRYPTO_free_ex_index(int class_index, int idx);
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/*
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* Initialise/duplicate/free CRYPTO_EX_DATA variables corresponding to a
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* given class (invokes whatever per-class callbacks are applicable)
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*/
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int CRYPTO_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
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int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
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const CRYPTO_EX_DATA *from);
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void CRYPTO_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
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/*
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* Get/set data in a CRYPTO_EX_DATA variable corresponding to a particular
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* index (relative to the class type involved)
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*/
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int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val);
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void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx);
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# if OPENSSL_API_COMPAT < 0x10100000L
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/*
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* This function cleans up all "ex_data" state. It mustn't be called under
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* potential race-conditions.
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*/
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# define CRYPTO_cleanup_all_ex_data() while(0) continue
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/*
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* The old locking functions have been removed completely without compatibility
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* macros. This is because the old functions either could not properly report
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* errors, or the returned error values were not clearly documented.
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* Replacing the locking functions with no-ops would cause race condition
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* issues in the affected applications. It is far better for them to fail at
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* compile time.
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* On the other hand, the locking callbacks are no longer used. Consequently,
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* the callback management functions can be safely replaced with no-op macros.
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*/
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# define CRYPTO_num_locks() (1)
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# define CRYPTO_set_locking_callback(func)
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# define CRYPTO_get_locking_callback() (NULL)
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# define CRYPTO_set_add_lock_callback(func)
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# define CRYPTO_get_add_lock_callback() (NULL)
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/*
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* These defines where used in combination with the old locking callbacks,
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* they are not called anymore, but old code that's not called might still
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* use them.
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*/
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# define CRYPTO_LOCK 1
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# define CRYPTO_UNLOCK 2
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# define CRYPTO_READ 4
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# define CRYPTO_WRITE 8
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/* This structure is no longer used */
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typedef struct crypto_threadid_st {
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int dummy;
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} CRYPTO_THREADID;
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/* Only use CRYPTO_THREADID_set_[numeric|pointer]() within callbacks */
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# define CRYPTO_THREADID_set_numeric(id, val)
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# define CRYPTO_THREADID_set_pointer(id, ptr)
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# define CRYPTO_THREADID_set_callback(threadid_func) (0)
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# define CRYPTO_THREADID_get_callback() (NULL)
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# define CRYPTO_THREADID_current(id)
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# define CRYPTO_THREADID_cmp(a, b) (-1)
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# define CRYPTO_THREADID_cpy(dest, src)
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# define CRYPTO_THREADID_hash(id) (0UL)
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# if OPENSSL_API_COMPAT < 0x10000000L
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# define CRYPTO_set_id_callback(func)
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# define CRYPTO_get_id_callback() (NULL)
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# define CRYPTO_thread_id() (0UL)
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# endif /* OPENSSL_API_COMPAT < 0x10000000L */
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# define CRYPTO_set_dynlock_create_callback(dyn_create_function)
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# define CRYPTO_set_dynlock_lock_callback(dyn_lock_function)
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# define CRYPTO_set_dynlock_destroy_callback(dyn_destroy_function)
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# define CRYPTO_get_dynlock_create_callback() (NULL)
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# define CRYPTO_get_dynlock_lock_callback() (NULL)
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# define CRYPTO_get_dynlock_destroy_callback() (NULL)
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# endif /* OPENSSL_API_COMPAT < 0x10100000L */
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int CRYPTO_set_mem_functions(
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void *(*m) (size_t, const char *, int),
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void *(*r) (void *, size_t, const char *, int),
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void (*f) (void *, const char *, int));
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int CRYPTO_set_mem_debug(int flag);
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void CRYPTO_get_mem_functions(
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void *(**m) (size_t, const char *, int),
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void *(**r) (void *, size_t, const char *, int),
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void (**f) (void *, const char *, int));
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void *CRYPTO_malloc(size_t num, const char *file, int line);
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void *CRYPTO_zalloc(size_t num, const char *file, int line);
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void *CRYPTO_memdup(const void *str, size_t siz, const char *file, int line);
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char *CRYPTO_strdup(const char *str, const char *file, int line);
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char *CRYPTO_strndup(const char *str, size_t s, const char *file, int line);
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void CRYPTO_free(void *ptr, const char *file, int line);
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void CRYPTO_clear_free(void *ptr, size_t num, const char *file, int line);
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void *CRYPTO_realloc(void *addr, size_t num, const char *file, int line);
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void *CRYPTO_clear_realloc(void *addr, size_t old_num, size_t num,
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const char *file, int line);
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int CRYPTO_secure_malloc_init(size_t sz, int minsize);
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int CRYPTO_secure_malloc_done(void);
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void *CRYPTO_secure_malloc(size_t num, const char *file, int line);
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void *CRYPTO_secure_zalloc(size_t num, const char *file, int line);
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void CRYPTO_secure_free(void *ptr, const char *file, int line);
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void CRYPTO_secure_clear_free(void *ptr, size_t num,
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const char *file, int line);
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int CRYPTO_secure_allocated(const void *ptr);
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int CRYPTO_secure_malloc_initialized(void);
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size_t CRYPTO_secure_actual_size(void *ptr);
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size_t CRYPTO_secure_used(void);
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void OPENSSL_cleanse(void *ptr, size_t len);
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# ifndef OPENSSL_NO_CRYPTO_MDEBUG
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# define OPENSSL_mem_debug_push(info) \
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CRYPTO_mem_debug_push(info, OPENSSL_FILE, OPENSSL_LINE)
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# define OPENSSL_mem_debug_pop() \
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CRYPTO_mem_debug_pop()
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int CRYPTO_mem_debug_push(const char *info, const char *file, int line);
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int CRYPTO_mem_debug_pop(void);
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void CRYPTO_get_alloc_counts(int *mcount, int *rcount, int *fcount);
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/*-
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* Debugging functions (enabled by CRYPTO_set_mem_debug(1))
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* The flag argument has the following significance:
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* 0: called before the actual memory allocation has taken place
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* 1: called after the actual memory allocation has taken place
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*/
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void CRYPTO_mem_debug_malloc(void *addr, size_t num, int flag,
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const char *file, int line);
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void CRYPTO_mem_debug_realloc(void *addr1, void *addr2, size_t num, int flag,
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const char *file, int line);
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void CRYPTO_mem_debug_free(void *addr, int flag,
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const char *file, int line);
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int CRYPTO_mem_leaks_cb(int (*cb) (const char *str, size_t len, void *u),
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void *u);
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# ifndef OPENSSL_NO_STDIO
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int CRYPTO_mem_leaks_fp(FILE *);
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# endif
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int CRYPTO_mem_leaks(BIO *bio);
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# endif
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/* die if we have to */
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ossl_noreturn void OPENSSL_die(const char *assertion, const char *file, int line);
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# if OPENSSL_API_COMPAT < 0x10100000L
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# define OpenSSLDie(f,l,a) OPENSSL_die((a),(f),(l))
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# endif
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# define OPENSSL_assert(e) \
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(void)((e) ? 0 : (OPENSSL_die("assertion failed: " #e, OPENSSL_FILE, OPENSSL_LINE), 1))
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int OPENSSL_isservice(void);
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int FIPS_mode(void);
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int FIPS_mode_set(int r);
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void OPENSSL_init(void);
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# ifdef OPENSSL_SYS_UNIX
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void OPENSSL_fork_prepare(void);
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void OPENSSL_fork_parent(void);
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void OPENSSL_fork_child(void);
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# endif
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struct tm *OPENSSL_gmtime(const time_t *timer, struct tm *result);
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int OPENSSL_gmtime_adj(struct tm *tm, int offset_day, long offset_sec);
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int OPENSSL_gmtime_diff(int *pday, int *psec,
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const struct tm *from, const struct tm *to);
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/*
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* CRYPTO_memcmp returns zero iff the |len| bytes at |a| and |b| are equal.
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* It takes an amount of time dependent on |len|, but independent of the
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* contents of |a| and |b|. Unlike memcmp, it cannot be used to put elements
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* into a defined order as the return value when a != b is undefined, other
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* than to be non-zero.
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*/
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int CRYPTO_memcmp(const void * in_a, const void * in_b, size_t len);
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/* Standard initialisation options */
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# define OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS 0x00000001L
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# define OPENSSL_INIT_LOAD_CRYPTO_STRINGS 0x00000002L
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# define OPENSSL_INIT_ADD_ALL_CIPHERS 0x00000004L
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# define OPENSSL_INIT_ADD_ALL_DIGESTS 0x00000008L
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# define OPENSSL_INIT_NO_ADD_ALL_CIPHERS 0x00000010L
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# define OPENSSL_INIT_NO_ADD_ALL_DIGESTS 0x00000020L
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# define OPENSSL_INIT_LOAD_CONFIG 0x00000040L
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# define OPENSSL_INIT_NO_LOAD_CONFIG 0x00000080L
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# define OPENSSL_INIT_ASYNC 0x00000100L
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# define OPENSSL_INIT_ENGINE_RDRAND 0x00000200L
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# define OPENSSL_INIT_ENGINE_DYNAMIC 0x00000400L
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# define OPENSSL_INIT_ENGINE_OPENSSL 0x00000800L
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# define OPENSSL_INIT_ENGINE_CRYPTODEV 0x00001000L
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# define OPENSSL_INIT_ENGINE_CAPI 0x00002000L
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# define OPENSSL_INIT_ENGINE_PADLOCK 0x00004000L
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# define OPENSSL_INIT_ENGINE_AFALG 0x00008000L
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/* OPENSSL_INIT_ZLIB 0x00010000L */
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# define OPENSSL_INIT_ATFORK 0x00020000L
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/* OPENSSL_INIT_BASE_ONLY 0x00040000L */
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# define OPENSSL_INIT_NO_ATEXIT 0x00080000L
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/* OPENSSL_INIT flag range 0xfff00000 reserved for OPENSSL_init_ssl() */
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/* Max OPENSSL_INIT flag value is 0x80000000 */
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/* openssl and dasync not counted as builtin */
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# define OPENSSL_INIT_ENGINE_ALL_BUILTIN \
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(OPENSSL_INIT_ENGINE_RDRAND | OPENSSL_INIT_ENGINE_DYNAMIC \
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| OPENSSL_INIT_ENGINE_CRYPTODEV | OPENSSL_INIT_ENGINE_CAPI | \
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OPENSSL_INIT_ENGINE_PADLOCK)
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/* Library initialisation functions */
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void OPENSSL_cleanup(void);
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int OPENSSL_init_crypto(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings);
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int OPENSSL_atexit(void (*handler)(void));
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void OPENSSL_thread_stop(void);
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/* Low-level control of initialization */
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OPENSSL_INIT_SETTINGS *OPENSSL_INIT_new(void);
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# ifndef OPENSSL_NO_STDIO
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int OPENSSL_INIT_set_config_filename(OPENSSL_INIT_SETTINGS *settings,
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const char *config_filename);
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void OPENSSL_INIT_set_config_file_flags(OPENSSL_INIT_SETTINGS *settings,
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unsigned long flags);
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int OPENSSL_INIT_set_config_appname(OPENSSL_INIT_SETTINGS *settings,
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const char *config_appname);
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# endif
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void OPENSSL_INIT_free(OPENSSL_INIT_SETTINGS *settings);
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# if defined(OPENSSL_THREADS) && !defined(CRYPTO_TDEBUG)
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# if defined(_WIN32)
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# if defined(BASETYPES) || defined(_WINDEF_H)
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/* application has to include <windows.h> in order to use this */
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typedef DWORD CRYPTO_THREAD_LOCAL;
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typedef DWORD CRYPTO_THREAD_ID;
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typedef LONG CRYPTO_ONCE;
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# define CRYPTO_ONCE_STATIC_INIT 0
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# endif
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# else
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# include <pthread.h>
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typedef pthread_once_t CRYPTO_ONCE;
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typedef pthread_key_t CRYPTO_THREAD_LOCAL;
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typedef pthread_t CRYPTO_THREAD_ID;
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# define CRYPTO_ONCE_STATIC_INIT PTHREAD_ONCE_INIT
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# endif
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# endif
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# if !defined(CRYPTO_ONCE_STATIC_INIT)
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typedef unsigned int CRYPTO_ONCE;
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typedef unsigned int CRYPTO_THREAD_LOCAL;
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typedef unsigned int CRYPTO_THREAD_ID;
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# define CRYPTO_ONCE_STATIC_INIT 0
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# endif
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int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void));
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int CRYPTO_THREAD_init_local(CRYPTO_THREAD_LOCAL *key, void (*cleanup)(void *));
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void *CRYPTO_THREAD_get_local(CRYPTO_THREAD_LOCAL *key);
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int CRYPTO_THREAD_set_local(CRYPTO_THREAD_LOCAL *key, void *val);
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int CRYPTO_THREAD_cleanup_local(CRYPTO_THREAD_LOCAL *key);
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CRYPTO_THREAD_ID CRYPTO_THREAD_get_current_id(void);
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int CRYPTO_THREAD_compare_id(CRYPTO_THREAD_ID a, CRYPTO_THREAD_ID b);
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# ifdef __cplusplus
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}
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# endif
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#endif
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