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1 /* crypto/ecdsa/ecs_locl.h */ | |
2 /* | |
3 * Written by Nils Larsch for the OpenSSL project | |
4 */ | |
5 /* ==================================================================== | |
6 * Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved. | |
7 * | |
8 * Redistribution and use in source and binary forms, with or without | |
9 * modification, are permitted provided that the following conditions | |
10 * are met: | |
11 * | |
12 * 1. Redistributions of source code must retain the above copyright | |
13 * notice, this list of conditions and the following disclaimer. | |
14 * | |
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 | |
18 * distribution. | |
19 * | |
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/)" | |
24 * | |
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. | |
29 * | |
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. | |
33 * | |
34 * 6. Redistributions of any form whatsoever must retain the following | |
35 * acknowledgment: | |
36 * "This product includes software developed by the OpenSSL Project | |
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
38 * | |
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 * ==================================================================== | |
52 * | |
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). | |
56 * | |
57 */ | |
58 | |
59 #ifndef HEADER_ECS_LOCL_H | |
60 #define HEADER_ECS_LOCL_H | |
61 | |
62 #include <openssl/ecdsa.h> | |
63 | |
64 #ifdef __cplusplus | |
65 extern "C" { | |
66 #endif | |
67 | |
68 struct ecdsa_method | |
69 { | |
70 const char *name; | |
71 ECDSA_SIG *(*ecdsa_do_sign)(const unsigned char *dgst, int dgst_len, | |
72 const BIGNUM *inv, const BIGNUM *rp, EC_KEY *eckey); | |
73 int (*ecdsa_sign_setup)(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv, | |
74 BIGNUM **r); | |
75 int (*ecdsa_do_verify)(const unsigned char *dgst, int dgst_len, | |
76 const ECDSA_SIG *sig, EC_KEY *eckey); | |
77 #if 0 | |
78 int (*init)(EC_KEY *eckey); | |
79 int (*finish)(EC_KEY *eckey); | |
80 #endif | |
81 int flags; | |
82 char *app_data; | |
83 }; | |
84 | |
85 /* If this flag is set the ECDSA method is FIPS compliant and can be used | |
86 * in FIPS mode. This is set in the validated module method. If an | |
87 * application sets this flag in its own methods it is its responsibility | |
88 * to ensure the result is compliant. | |
89 */ | |
90 | |
91 #define ECDSA_FLAG_FIPS_METHOD 0x1 | |
92 | |
93 typedef struct ecdsa_data_st { | |
94 /* EC_KEY_METH_DATA part */ | |
95 int (*init)(EC_KEY *); | |
96 /* method (ECDSA) specific part */ | |
97 ENGINE *engine; | |
98 int flags; | |
99 const ECDSA_METHOD *meth; | |
100 CRYPTO_EX_DATA ex_data; | |
101 } ECDSA_DATA; | |
102 | |
103 /** ecdsa_check | |
104 * checks whether ECKEY->meth_data is a pointer to a ECDSA_DATA structure | |
105 * and if not it removes the old meth_data and creates a ECDSA_DATA structure. | |
106 * \param eckey pointer to a EC_KEY object | |
107 * \return pointer to a ECDSA_DATA structure | |
108 */ | |
109 ECDSA_DATA *ecdsa_check(EC_KEY *eckey); | |
110 | |
111 #ifdef __cplusplus | |
112 } | |
113 #endif | |
114 | |
115 #endif /* HEADER_ECS_LOCL_H */ | |
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