11c0f1201c
load the "external" built-in engines (those that require DSO). This makes linking with libdl or other dso libraries non-mandatory. Change 'openssl engine' accordingly. Change the engine header files so some declarations (that differed at that!) aren't duplicated, and make sure engine_int.h includes engine.h. That way, there should be no way of missing the needed info.
144 lines
4.9 KiB
C
144 lines
4.9 KiB
C
/* crypto/engine/engine_int.h */
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/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
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* project 2000.
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*/
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/* ====================================================================
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* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#ifndef HEADER_ENGINE_INT_H
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#define HEADER_ENGINE_INT_H
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#include <openssl/rsa.h>
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#include <openssl/dsa.h>
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#include <openssl/dh.h>
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#include <openssl/rand.h>
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#include <openssl/bn.h>
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#include <openssl/evp.h>
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/* Take public definitions from engine.h */
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#include <openssl/engine.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Bitwise OR-able values for the "flags" variable in ENGINE. */
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#define ENGINE_FLAGS_MALLOCED 0x0001
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/* This is a structure for storing implementations of various crypto
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* algorithms and functions. */
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struct engine_st
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{
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const char *id;
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const char *name;
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RSA_METHOD *rsa_meth;
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DSA_METHOD *dsa_meth;
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DH_METHOD *dh_meth;
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RAND_METHOD *rand_meth;
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BN_MOD_EXP bn_mod_exp;
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BN_MOD_EXP_CRT bn_mod_exp_crt;
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int (*init)(void);
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int (*finish)(void);
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int (*ctrl)(int cmd, long i, void *p, void (*f)());
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EVP_PKEY *(*load_privkey)(const char *key_id, const char *passphrase);
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EVP_PKEY *(*load_pubkey)(const char *key_id, const char *passphrase);
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int flags;
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/* reference count on the structure itself */
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int struct_ref;
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/* reference count on usability of the engine type. NB: This
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* controls the loading and initialisation of any functionlity
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* required by this engine, whereas the previous count is
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* simply to cope with (de)allocation of this structure. Hence,
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* running_ref <= struct_ref at all times. */
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int funct_ref;
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/* Used to maintain the linked-list of engines. */
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struct engine_st *prev;
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struct engine_st *next;
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};
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/* BUILT-IN ENGINES. (these functions are only ever called once and
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* do not return references - they are purely for bootstrapping). */
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/* Returns a structure of software only methods (the default). */
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ENGINE *ENGINE_openssl();
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#ifndef NO_HW
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#ifndef NO_HW_CSWIFT
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/* Returns a structure of cswift methods ... NB: This can exist and be
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* "used" even on non-cswift systems because the "init" will fail if the
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* card/library are not found. */
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ENGINE *ENGINE_cswift();
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#endif /* !NO_HW_CSWIFT */
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#ifndef NO_HW_NCIPHER
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ENGINE *ENGINE_ncipher();
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#endif /* !NO_HW_NCIPHER */
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#ifndef NO_HW_ATALLA
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/* Returns a structure of atalla methods. */
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ENGINE *ENGINE_atalla();
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#endif /* !NO_HW_ATALLA */
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#ifndef NO_HW_NURON
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ENGINE *ENGINE_nuron();
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#endif /* !NO_HW_NURON */
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#endif /* !NO_HW */
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#ifdef __cplusplus
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}
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#endif
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#endif /* HEADER_ENGINE_INT_H */
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