455 lines
18 KiB
C
455 lines
18 KiB
C
/* $OpenBSD: crypto.h,v 1.74 2024/04/10 15:13:23 beck 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 <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#ifndef HEADER_CRYPTO_H
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#define HEADER_CRYPTO_H
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#include <openssl/opensslconf.h>
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#include <openssl/stack.h>
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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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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Backward compatibility to SSLeay */
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/* This is more to be used to check the correct DLL is being used
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* in the MS world. */
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#define SSLEAY_VERSION_NUMBER OPENSSL_VERSION_NUMBER
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#define SSLEAY_VERSION 0
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/* #define SSLEAY_OPTIONS 1 no longer supported */
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#define SSLEAY_CFLAGS 2
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#define SSLEAY_BUILT_ON 3
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#define SSLEAY_PLATFORM 4
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#define SSLEAY_DIR 5
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/* When changing the CRYPTO_LOCK_* list, be sure to maintain the text lock
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* names in cryptlib.c
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*/
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#define CRYPTO_LOCK_ERR 1
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#define CRYPTO_LOCK_EX_DATA 2
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#define CRYPTO_LOCK_X509 3
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#define CRYPTO_LOCK_X509_INFO 4
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#define CRYPTO_LOCK_X509_PKEY 5
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#define CRYPTO_LOCK_X509_CRL 6
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#define CRYPTO_LOCK_X509_REQ 7
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#define CRYPTO_LOCK_DSA 8
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#define CRYPTO_LOCK_RSA 9
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#define CRYPTO_LOCK_EVP_PKEY 10
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#define CRYPTO_LOCK_X509_STORE 11
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#define CRYPTO_LOCK_SSL_CTX 12
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#define CRYPTO_LOCK_SSL_CERT 13
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#define CRYPTO_LOCK_SSL_SESSION 14
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#define CRYPTO_LOCK_SSL_SESS_CERT 15
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#define CRYPTO_LOCK_SSL 16
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#define CRYPTO_LOCK_SSL_METHOD 17
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#define CRYPTO_LOCK_RAND 18
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#define CRYPTO_LOCK_RAND2 19
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#define CRYPTO_LOCK_MALLOC 20
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#define CRYPTO_LOCK_BIO 21
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#define CRYPTO_LOCK_GETHOSTBYNAME 22
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#define CRYPTO_LOCK_GETSERVBYNAME 23
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#define CRYPTO_LOCK_READDIR 24
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#define CRYPTO_LOCK_RSA_BLINDING 25
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#define CRYPTO_LOCK_DH 26
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#define CRYPTO_LOCK_MALLOC2 27
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#define CRYPTO_LOCK_DSO 28
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#define CRYPTO_LOCK_DYNLOCK 29
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#define CRYPTO_LOCK_ENGINE 30
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#define CRYPTO_LOCK_UI 31
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#define CRYPTO_LOCK_ECDSA 32
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#define CRYPTO_LOCK_EC 33
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#define CRYPTO_LOCK_ECDH 34
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#define CRYPTO_LOCK_BN 35
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#define CRYPTO_LOCK_EC_PRE_COMP 36
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#define CRYPTO_LOCK_STORE 37
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#define CRYPTO_LOCK_COMP 38
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#define CRYPTO_LOCK_FIPS 39
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#define CRYPTO_LOCK_FIPS2 40
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#define CRYPTO_NUM_LOCKS 41
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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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#ifndef CRYPTO_w_lock
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#define CRYPTO_w_lock(type) \
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CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,NULL,0)
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#define CRYPTO_w_unlock(type) \
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CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,NULL,0)
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#define CRYPTO_r_lock(type) \
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CRYPTO_lock(CRYPTO_LOCK|CRYPTO_READ,type,NULL,0)
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#define CRYPTO_r_unlock(type) \
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CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_READ,type,NULL,0)
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#define CRYPTO_add(addr,amount,type) \
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CRYPTO_add_lock(addr,amount,type,NULL,0)
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#endif
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/* Some applications as well as some parts of OpenSSL need to allocate
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and deallocate locks in a dynamic fashion. The following typedef
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makes this possible in a type-safe manner. */
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/* struct CRYPTO_dynlock_value has to be defined by the application. */
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typedef struct {
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int references;
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struct CRYPTO_dynlock_value *data;
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} CRYPTO_dynlock;
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/* The following can be used to detect memory leaks in the SSLeay library.
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* It used, it turns on malloc checking */
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#define CRYPTO_MEM_CHECK_OFF 0x0 /* an enume */
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#define CRYPTO_MEM_CHECK_ON 0x1 /* a bit */
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#define CRYPTO_MEM_CHECK_ENABLE 0x2 /* a bit */
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#define CRYPTO_MEM_CHECK_DISABLE 0x3 /* an enume */
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/* The following are bit values to turn on or off options connected to the
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* malloc checking functionality */
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/* Adds time to the memory checking information */
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#define V_CRYPTO_MDEBUG_TIME 0x1 /* a bit */
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/* Adds thread number to the memory checking information */
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#define V_CRYPTO_MDEBUG_THREAD 0x2 /* a bit */
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#define V_CRYPTO_MDEBUG_ALL (V_CRYPTO_MDEBUG_TIME | V_CRYPTO_MDEBUG_THREAD)
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/* predec of the BIO type */
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typedef struct bio_st BIO_dummy;
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struct crypto_ex_data_st {
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void *sk;
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};
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DECLARE_STACK_OF(void)
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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_APP 3
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#define CRYPTO_EX_INDEX_BIO 4
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#define CRYPTO_EX_INDEX_DH 5
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#define CRYPTO_EX_INDEX_DSA 6
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#define CRYPTO_EX_INDEX_EC_KEY 7
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#define CRYPTO_EX_INDEX_ENGINE 8
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#define CRYPTO_EX_INDEX_RSA 9
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#define CRYPTO_EX_INDEX_UI 10
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#define CRYPTO_EX_INDEX_UI_METHOD 11
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#define CRYPTO_EX_INDEX_X509 12
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#define CRYPTO_EX_INDEX_X509_STORE 13
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#define CRYPTO_EX_INDEX_X509_STORE_CTX 14
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#define CRYPTO_EX_INDEX__COUNT 15
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#ifndef LIBRESSL_INTERNAL
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#define CRYPTO_malloc_init() (0)
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#define CRYPTO_malloc_debug_init() (0)
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#endif /* LIBRESSL_INTERNAL */
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#if defined CRYPTO_MDEBUG_ALL || defined CRYPTO_MDEBUG_TIME || defined CRYPTO_MDEBUG_THREAD
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# ifndef CRYPTO_MDEBUG /* avoid duplicate #define */
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# define CRYPTO_MDEBUG
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# endif
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#endif
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int CRYPTO_mem_ctrl(int mode);
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#define OPENSSL_malloc(num) CRYPTO_malloc((num),NULL,0)
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#define OPENSSL_strdup(str) CRYPTO_strdup((str),NULL,0)
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#define OPENSSL_free(addr) CRYPTO_free((addr),NULL,0)
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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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unsigned long OpenSSL_version_num(void);
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const char *SSLeay_version(int type);
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unsigned long SSLeay(void);
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/* Within a given class, get/register a new index */
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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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/* Initialise/duplicate/free CRYPTO_EX_DATA variables corresponding to a given
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* class (invokes whatever per-class callbacks are applicable) */
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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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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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/* Get/set data in a CRYPTO_EX_DATA variable corresponding to a particular index
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* (relative to the class type involved) */
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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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/* 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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void CRYPTO_cleanup_all_ex_data(void);
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void CRYPTO_lock(int mode, int type, const char *file, int line);
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int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,
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int line);
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/* Don't use this structure directly. */
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typedef struct crypto_threadid_st CRYPTO_THREADID;
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/* These functions are deprecated no-op stubs */
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void CRYPTO_set_id_callback(unsigned long (*func)(void));
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unsigned long (*CRYPTO_get_id_callback(void))(void);
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unsigned long CRYPTO_thread_id(void);
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int CRYPTO_get_new_lockid(char *name);
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const char *CRYPTO_get_lock_name(int type);
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int CRYPTO_num_locks(void);
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void CRYPTO_set_locking_callback(void (*func)(int mode, int type,
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const char *file, int line));
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void (*CRYPTO_get_locking_callback(void))(int mode, int type,
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const char *file, int line);
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void CRYPTO_set_add_lock_callback(int (*func)(int *num, int mount, int type,
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const char *file, int line));
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int (*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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void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val);
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void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr);
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int CRYPTO_THREADID_set_callback(void (*threadid_func)(CRYPTO_THREADID *));
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void (*CRYPTO_THREADID_get_callback(void))(CRYPTO_THREADID *);
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int CRYPTO_get_new_dynlockid(void);
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void CRYPTO_destroy_dynlockid(int i);
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struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i);
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void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(*dyn_create_function)(const char *file, int line));
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void CRYPTO_set_dynlock_lock_callback(void (*dyn_lock_function)(int mode, struct CRYPTO_dynlock_value *l, const char *file, int line));
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void CRYPTO_set_dynlock_destroy_callback(void (*dyn_destroy_function)(struct CRYPTO_dynlock_value *l, const char *file, int line));
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struct CRYPTO_dynlock_value *(*CRYPTO_get_dynlock_create_callback(void))(const char *file, int line);
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void (*CRYPTO_get_dynlock_lock_callback(void))(int mode, struct CRYPTO_dynlock_value *l, const char *file, int line);
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void (*CRYPTO_get_dynlock_destroy_callback(void))(struct CRYPTO_dynlock_value *l, const char *file, int line);
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/* CRYPTO_set_mem_functions includes CRYPTO_set_locked_mem_functions --
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* call the latter last if you need different functions */
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int CRYPTO_set_mem_functions(void *(*m)(size_t), void *(*r)(void *, size_t), void (*f)(void *));
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int CRYPTO_set_mem_ex_functions(void *(*m)(size_t, const char *, int),
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void *(*r)(void *, size_t, const char *, int), void (*f)(void *));
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void *CRYPTO_malloc(size_t num, const char *file, int line);
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char *CRYPTO_strdup(const char *str, const char *file, int line);
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void CRYPTO_free(void *ptr, const char *file, int line);
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void OPENSSL_cleanse(void *ptr, size_t len);
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/*
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* Because this is a public header, use a portable method of indicating the
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* function does not return, rather than __dead.
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*/
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#ifdef _MSC_VER
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__declspec(noreturn)
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#else
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__attribute__((__noreturn__))
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#endif
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void OpenSSLDie(const char *file, int line, const char *assertion);
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#define OPENSSL_assert(e) (void)((e) ? 0 : (OpenSSLDie(__FILE__, __LINE__, #e),1))
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uint64_t OPENSSL_cpu_caps(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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/* CRYPTO_memcmp returns zero iff the |len| bytes at |a| and |b| are equal. It
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* takes an amount of time dependent on |len|, but independent of the contents
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* of |a| and |b|. Unlike memcmp, it cannot be used to put elements into a
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* defined order as the return value when a != b is undefined, other than to be
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* non-zero. */
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int CRYPTO_memcmp(const void *a, const void *b, size_t len);
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/*
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* OpenSSL compatible OPENSSL_INIT options.
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*/
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#define OPENSSL_INIT_NO_LOAD_CONFIG 0x00000001L
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#define OPENSSL_INIT_LOAD_CONFIG 0x00000002L
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/* LibreSSL specific */
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#define _OPENSSL_INIT_FLAG_NOOP 0x80000000L
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/*
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* These are provided for compatibility, but have no effect
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* on how LibreSSL is initialized.
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*/
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#define OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS _OPENSSL_INIT_FLAG_NOOP
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#define OPENSSL_INIT_LOAD_CRYPTO_STRINGS _OPENSSL_INIT_FLAG_NOOP
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#define OPENSSL_INIT_ADD_ALL_CIPHERS _OPENSSL_INIT_FLAG_NOOP
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#define OPENSSL_INIT_ADD_ALL_DIGESTS _OPENSSL_INIT_FLAG_NOOP
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#define OPENSSL_INIT_NO_ADD_ALL_CIPHERS _OPENSSL_INIT_FLAG_NOOP
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#define OPENSSL_INIT_NO_ADD_ALL_DIGESTS _OPENSSL_INIT_FLAG_NOOP
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#define OPENSSL_INIT_ASYNC _OPENSSL_INIT_FLAG_NOOP
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#define OPENSSL_INIT_ENGINE_RDRAND _OPENSSL_INIT_FLAG_NOOP
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#define OPENSSL_INIT_ENGINE_DYNAMIC _OPENSSL_INIT_FLAG_NOOP
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#define OPENSSL_INIT_ENGINE_OPENSSL _OPENSSL_INIT_FLAG_NOOP
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#define OPENSSL_INIT_ENGINE_CRYPTODEV _OPENSSL_INIT_FLAG_NOOP
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#define OPENSSL_INIT_ENGINE_CAPI _OPENSSL_INIT_FLAG_NOOP
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#define OPENSSL_INIT_ENGINE_PADLOCK _OPENSSL_INIT_FLAG_NOOP
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#define OPENSSL_INIT_ENGINE_AFALG _OPENSSL_INIT_FLAG_NOOP
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#define OPENSSL_INIT_reserved_internal _OPENSSL_INIT_FLAG_NOOP
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#define OPENSSL_INIT_ATFORK _OPENSSL_INIT_FLAG_NOOP
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#define OPENSSL_INIT_ENGINE_ALL_BUILTIN _OPENSSL_INIT_FLAG_NOOP
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int OPENSSL_init_crypto(uint64_t opts, const void *settings);
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void OPENSSL_cleanup(void);
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/*
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* OpenSSL helpfully put OPENSSL_gmtime() here because all other time related
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* functions are in asn1.h.
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*/
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struct tm *OPENSSL_gmtime(const time_t *time, struct tm *out_tm);
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void ERR_load_CRYPTO_strings(void);
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/* Error codes for the CRYPTO functions. */
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/* Function codes. */
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#define CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX 100
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#define CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID 103
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#define CRYPTO_F_CRYPTO_GET_NEW_LOCKID 101
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#define CRYPTO_F_CRYPTO_SET_EX_DATA 102
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#define CRYPTO_F_DEF_ADD_INDEX 104
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#define CRYPTO_F_DEF_GET_CLASS 105
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#define CRYPTO_F_FIPS_MODE_SET 109
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#define CRYPTO_F_INT_DUP_EX_DATA 106
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#define CRYPTO_F_INT_FREE_EX_DATA 107
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#define CRYPTO_F_INT_NEW_EX_DATA 108
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/* Reason codes. */
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#define CRYPTO_R_FIPS_MODE_NOT_SUPPORTED 101
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#define CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK 100
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#ifdef __cplusplus
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}
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#endif
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#endif
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