1 /* crypto/engine/engine_int.h */
2 /* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
59 #ifndef HEADER_ENGINE_INT_H
60 #define HEADER_ENGINE_INT_H
62 #include <openssl/rsa.h>
63 #include <openssl/dsa.h>
64 #include <openssl/dh.h>
65 #include <openssl/rand.h>
66 #include <openssl/bn.h>
67 #include <openssl/evp.h>
69 /* Take public definitions from engine.h */
70 #include <openssl/engine.h>
76 /* Bitwise OR-able values for the "flags" variable in ENGINE. */
77 #define ENGINE_FLAGS_MALLOCED 0x0001
79 /* This is a structure for storing implementations of various crypto
80 * algorithms and functions. */
85 const RSA_METHOD *rsa_meth;
86 const DSA_METHOD *dsa_meth;
87 const DH_METHOD *dh_meth;
88 RAND_METHOD *rand_meth;
89 BN_MOD_EXP bn_mod_exp;
90 BN_MOD_EXP_CRT bn_mod_exp_crt;
93 int (*ctrl)(int cmd, long i, void *p, void (*f)());
94 EVP_PKEY *(*load_privkey)(const char *key_id, const char *passphrase);
95 EVP_PKEY *(*load_pubkey)(const char *key_id, const char *passphrase);
97 /* reference count on the structure itself */
99 /* reference count on usability of the engine type. NB: This
100 * controls the loading and initialisation of any functionlity
101 * required by this engine, whereas the previous count is
102 * simply to cope with (de)allocation of this structure. Hence,
103 * running_ref <= struct_ref at all times. */
105 /* Used to maintain the linked-list of engines. */
106 struct engine_st *prev;
107 struct engine_st *next;
110 /* BUILT-IN ENGINES. (these functions are only ever called once and
111 * do not return references - they are purely for bootstrapping). */
113 /* Returns a structure of software only methods (the default). */
114 ENGINE *ENGINE_openssl();
119 /* Returns a structure of cswift methods ... NB: This can exist and be
120 * "used" even on non-cswift systems because the "init" will fail if the
121 * card/library are not found. */
122 ENGINE *ENGINE_cswift();
123 #endif /* !NO_HW_CSWIFT */
125 #ifndef NO_HW_NCIPHER
126 ENGINE *ENGINE_ncipher();
127 #endif /* !NO_HW_NCIPHER */
130 /* Returns a structure of atalla methods. */
131 ENGINE *ENGINE_atalla();
132 #endif /* !NO_HW_ATALLA */
135 ENGINE *ENGINE_nuron();
136 #endif /* !NO_HW_NURON */
144 #endif /* HEADER_ENGINE_INT_H */