1 /* $OpenBSD: cryptlib.c,v 1.45 2019/01/26 11:30:32 deraadt Exp $ */
2 /* ====================================================================
3 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
17 * 3. All advertising materials mentioning features or use of this
18 * software must display the following acknowledgment:
19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
24 * prior written permission. For written permission, please contact
25 * openssl-core@openssl.org.
27 * 5. Products derived from this software may not be called "OpenSSL"
28 * nor may "OpenSSL" appear in their names without prior written
29 * permission of the OpenSSL Project.
31 * 6. Redistributions of any form whatsoever must retain the following
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
50 * This product includes cryptographic software written by Eric Young
51 * (eay@cryptsoft.com). This product includes software written by Tim
52 * Hudson (tjh@cryptsoft.com).
55 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
56 * All rights reserved.
58 * This package is an SSL implementation written
59 * by Eric Young (eay@cryptsoft.com).
60 * The implementation was written so as to conform with Netscapes SSL.
62 * This library is free for commercial and non-commercial use as long as
63 * the following conditions are aheared to. The following conditions
64 * apply to all code found in this distribution, be it the RC4, RSA,
65 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
66 * included with this distribution is covered by the same copyright terms
67 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
69 * Copyright remains Eric Young's, and as such any Copyright notices in
70 * the code are not to be removed.
71 * If this package is used in a product, Eric Young should be given attribution
72 * as the author of the parts of the library used.
73 * This can be in the form of a textual message at program startup or
74 * in documentation (online or textual) provided with the package.
76 * Redistribution and use in source and binary forms, with or without
77 * modification, are permitted provided that the following conditions
79 * 1. Redistributions of source code must retain the copyright
80 * notice, this list of conditions and the following disclaimer.
81 * 2. Redistributions in binary form must reproduce the above copyright
82 * notice, this list of conditions and the following disclaimer in the
83 * documentation and/or other materials provided with the distribution.
84 * 3. All advertising materials mentioning features or use of this software
85 * must display the following acknowledgement:
86 * "This product includes cryptographic software written by
87 * Eric Young (eay@cryptsoft.com)"
88 * The word 'cryptographic' can be left out if the rouines from the library
89 * being used are not cryptographic related :-).
90 * 4. If you include any Windows specific code (or a derivative thereof) from
91 * the apps directory (application code) you must include an acknowledgement:
92 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
94 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
95 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
96 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
97 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
98 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
99 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
100 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
101 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
102 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
103 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
106 * The licence and distribution terms for any publically available version or
107 * derivative of this code cannot be changed. i.e. this code cannot simply be
108 * copied and put under another distribution licence
109 * [including the GNU Public Licence.]
111 /* ====================================================================
112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113 * ECDH support in OpenSSL originally developed by
114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
124 #include <openssl/opensslconf.h>
125 #include <openssl/crypto.h>
127 static void (*locking_callback)(int mode, int type,
128 const char *file, int line) = NULL;
129 static int (*add_lock_callback)(int *pointer, int amount,
130 int type, const char *file, int line) = NULL;
133 CRYPTO_num_locks(void)
139 (*CRYPTO_get_id_callback(void))(void)
145 CRYPTO_set_id_callback(unsigned long (*func)(void))
151 CRYPTO_thread_id(void)
153 return (unsigned long)pthread_self();
157 CRYPTO_set_locking_callback(void (*func)(int mode, int lock_num,
158 const char *file, int line))
160 locking_callback = func;
164 (*CRYPTO_get_locking_callback(void))(int mode, int lock_num,
165 const char *file, int line)
167 return locking_callback;
171 CRYPTO_set_add_lock_callback(int (*func)(int *num, int mount, int lock_num,
172 const char *file, int line))
174 add_lock_callback = func;
178 (*CRYPTO_get_add_lock_callback(void))(int *num, int mount, int type,
179 const char *file, int line)
181 return add_lock_callback;
185 CRYPTO_get_lock_name(int lock_num)
190 struct CRYPTO_dynlock_value *
191 CRYPTO_get_dynlock_value(int i)
196 int CRYPTO_get_new_dynlockid(void)
202 CRYPTO_destroy_dynlockid(int i)
207 int CRYPTO_get_new_lockid(char *name)
213 CRYPTO_THREADID_set_callback(void (*func)(CRYPTO_THREADID *))
219 (*CRYPTO_THREADID_get_callback(void))(CRYPTO_THREADID *)
225 CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val)
231 CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr)
237 CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(
238 *dyn_create_function)(const char *file, int line))
244 CRYPTO_set_dynlock_lock_callback(void (*dyn_lock_function)(
245 int mode, struct CRYPTO_dynlock_value *l, const char *file, int line))
251 CRYPTO_set_dynlock_destroy_callback(void (*dyn_destroy_function)(
252 struct CRYPTO_dynlock_value *l, const char *file, int line))
257 struct CRYPTO_dynlock_value *
258 (*CRYPTO_get_dynlock_create_callback(void))(
259 const char *file, int line)
265 (*CRYPTO_get_dynlock_lock_callback(void))(int mode,
266 struct CRYPTO_dynlock_value *l, const char *file, int line)
272 (*CRYPTO_get_dynlock_destroy_callback(void))(
273 struct CRYPTO_dynlock_value *l, const char *file, int line)
279 CRYPTO_THREADID_current(CRYPTO_THREADID *id)
281 memset(id, 0, sizeof(*id));
282 id->val = (unsigned long)pthread_self();
286 CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b)
288 return memcmp(a, b, sizeof(*a));
292 CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src)
294 memcpy(dest, src, sizeof(*src));
298 CRYPTO_THREADID_hash(const CRYPTO_THREADID *id)
303 #if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
304 defined(__INTEL__) || \
305 defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
307 uint64_t OPENSSL_ia32cap_P;
310 OPENSSL_cpu_caps(void)
312 return OPENSSL_ia32cap_P;
315 #if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM)
316 #define OPENSSL_CPUID_SETUP
318 extern uint64_t OPENSSL_ia32_cpuid(void);
321 OPENSSL_cpuid_setup(void)
323 static int trigger = 0;
324 #ifndef __DragonFly__
325 /* -Werror=nested-externs */
326 uint64_t OPENSSL_ia32_cpuid(void);
332 OPENSSL_ia32cap_P = OPENSSL_ia32_cpuid();
338 OPENSSL_cpu_caps(void)
344 #if !defined(OPENSSL_CPUID_SETUP) && !defined(OPENSSL_CPUID_OBJ)
346 OPENSSL_cpuid_setup(void)
352 OPENSSL_showfatal(const char *fmta, ...)
354 #ifndef __DragonFly__
355 struct syslog_data sdata = SYSLOG_DATA_INIT;
360 #ifndef __DragonFly__
361 /* syslog abusing? */
362 vsyslog_r(LOG_INFO|LOG_LOCAL2, &sdata, fmta, ap);
364 vsyslog(LOG_INFO|LOG_LOCAL2, fmta, ap);
370 OpenSSLDie(const char *file, int line, const char *assertion)
373 "uid %u cmd %s %s(%d): OpenSSL internal error, assertion failed: %s\n",
374 getuid(), getprogname(), file, line, assertion);
379 CRYPTO_memcmp(const void *in_a, const void *in_b, size_t len)
382 const unsigned char *a = in_a;
383 const unsigned char *b = in_b;
386 for (i = 0; i < len; i++)