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1 | /* crypto/ecdsa/ecdsa.h */ |
2 | /* ==================================================================== | |
3 | * Copyright (c) 2000-2002 The OpenSSL Project. All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * | |
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 | |
15 | * distribution. | |
16 | * | |
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/)" | |
21 | * | |
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 | * licensing@OpenSSL.org. | |
26 | * | |
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. | |
30 | * | |
31 | * 6. Redistributions of any form whatsoever must retain the following | |
32 | * acknowledgment: | |
33 | * "This product includes software developed by the OpenSSL Project | |
34 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
35 | * | |
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 | * ==================================================================== | |
49 | * | |
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). | |
53 | * | |
54 | */ | |
55 | #ifndef HEADER_ECDSA_H | |
56 | #define HEADER_ECDSA_H | |
57 | ||
58 | #ifdef OPENSSL_NO_ECDSA | |
59 | #error ECDSA is disabled. | |
60 | #endif | |
61 | ||
62 | #ifndef OPENSSL_NO_BIO | |
63 | #include <openssl/bio.h> | |
64 | #endif | |
65 | #include <openssl/bn.h> | |
66 | #include <openssl/ec.h> | |
67 | #include <openssl/crypto.h> | |
68 | #include <openssl/ossl_typ.h> | |
69 | #include <openssl/asn1.h> | |
70 | #include <openssl/asn1t.h> | |
71 | ||
72 | #ifdef __cplusplus | |
73 | extern "C" { | |
74 | #endif | |
75 | ||
76 | typedef struct ecdsa_st ECDSA; | |
77 | ||
78 | typedef struct ECDSA_SIG_st | |
79 | { | |
80 | BIGNUM *r; | |
81 | BIGNUM *s; | |
82 | } ECDSA_SIG; | |
83 | ||
84 | typedef struct ecdsa_method | |
85 | { | |
86 | const char *name; | |
87 | ECDSA_SIG *(*ecdsa_do_sign)(const unsigned char *dgst, int dgst_len, ECDSA *ecdsa); | |
88 | int (*ecdsa_sign_setup)(ECDSA *ecdsa, BN_CTX *ctx, BIGNUM **kinv, BIGNUM **r); | |
89 | int (*ecdsa_do_verify)(const unsigned char *dgst, int dgst_len, ECDSA_SIG *sig, ECDSA *ecdsa); | |
90 | int (*init)(ECDSA *ecdsa); | |
91 | int (*finish)(ECDSA *ecdsa); | |
92 | int flags; | |
93 | char *app_data; | |
94 | } ECDSA_METHOD; | |
95 | ||
4d94ae00 BM |
96 | struct ecdsa_st |
97 | { | |
98 | int version; | |
d0561b5c | 99 | point_conversion_form_t conversion_form; |
4d94ae00 BM |
100 | |
101 | EC_GROUP *group; | |
102 | ||
103 | EC_POINT *pub_key; | |
104 | BIGNUM *priv_key; | |
105 | ||
106 | BIGNUM *kinv; /* signing pre-calc */ | |
107 | BIGNUM *r; /* signing pre-calc */ | |
108 | ||
4d94ae00 BM |
109 | int references; |
110 | int flags; | |
111 | CRYPTO_EX_DATA ex_data; | |
112 | const ECDSA_METHOD *meth; | |
113 | struct engine_st *engine; | |
114 | }; | |
115 | ||
116 | ECDSA_SIG *ECDSA_SIG_new(void); | |
117 | void ECDSA_SIG_free(ECDSA_SIG *a); | |
118 | int i2d_ECDSA_SIG(const ECDSA_SIG *a, unsigned char **pp); | |
119 | ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **v, const unsigned char **pp, long length); | |
120 | ||
9bc44854 BM |
121 | ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dgst_len, ECDSA *ecdsa); |
122 | int ECDSA_do_verify(const unsigned char *dgst, int dgst_len, ECDSA_SIG *sig, ECDSA* ecdsa); | |
4d94ae00 BM |
123 | int ECDSA_generate_key(ECDSA *ecdsa); |
124 | int ECDSA_check_key(ECDSA *ecdsa); | |
125 | ||
126 | const ECDSA_METHOD *ECDSA_OpenSSL(void); | |
127 | ||
128 | void ECDSA_set_default_method(const ECDSA_METHOD *); | |
af1cb47e | 129 | const ECDSA_METHOD *ECDSA_get_default_method(void); |
4d94ae00 BM |
130 | int ECDSA_set_method(ECDSA *, const ECDSA_METHOD *); |
131 | ||
af1cb47e | 132 | ECDSA *ECDSA_new(void); |
4d94ae00 BM |
133 | ECDSA *ECDSA_new_method(ENGINE *engine); |
134 | int ECDSA_size(const ECDSA *); | |
135 | int ECDSA_sign_setup(ECDSA *ecdsa, BN_CTX *ctx, BIGNUM **kinv, BIGNUM **rp); | |
136 | int ECDSA_sign(int type, const unsigned char *dgst, int dgst_len, unsigned char *sig, | |
137 | unsigned int *siglen, ECDSA *ecdsa); | |
138 | int ECDSA_verify(int type, const unsigned char *dgst, int dgst_len, const unsigned char *sig, | |
ce94682c | 139 | int sig_len, ECDSA *ecdsa); |
4d94ae00 BM |
140 | int ECDSA_up_ref(ECDSA *ecdsa); |
141 | void ECDSA_free(ECDSA *a); | |
142 | int ECDSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, | |
143 | CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func); | |
144 | int ECDSA_set_ex_data(ECDSA *d, int idx, void *arg); | |
145 | void *ECDSA_get_ex_data(ECDSA *d, int idx); | |
146 | ||
147 | #ifndef OPENSSL_NO_BIO | |
148 | int ECDSAParameters_print(BIO *bp, const ECDSA *x); | |
149 | int ECDSA_print(BIO *bp, const ECDSA *x, int off); | |
150 | #endif | |
151 | #ifndef OPENSSL_NO_FP_API | |
152 | int ECDSAParameters_print_fp(FILE *fp, const ECDSA *x); | |
153 | int ECDSA_print_fp(FILE *fp, const ECDSA *x, int off); | |
154 | #endif | |
155 | ||
d0561b5c BM |
156 | /* The ECDSA_{set|get}_conversion_type() functions set/get the |
157 | * conversion form for ec-points (see ec.h) in a ECDSA-structure */ | |
158 | void ECDSA_set_conversion_form(ECDSA *, const point_conversion_form_t); | |
159 | point_conversion_form_t ECDSA_get_conversion_form(const ECDSA *); | |
160 | /* The ECDSA_{set|get}_default_conversion_form() functions set/get the | |
161 | * default conversion form */ | |
162 | void ECDSA_set_default_conversion_form(const point_conversion_form_t); | |
163 | point_conversion_form_t ECDSA_get_default_conversion_form(void); | |
164 | ||
4d94ae00 BM |
165 | /* the basic de- and encode functions ( see ecs_asn1.c ) */ |
166 | ECDSA *d2i_ECDSAParameters(ECDSA **a, const unsigned char **in, long len); | |
167 | int i2d_ECDSAParameters(ECDSA *a, unsigned char **out); | |
168 | ||
169 | ECDSA *d2i_ECDSAPrivateKey(ECDSA **a, const unsigned char **in, long len); | |
170 | int i2d_ECDSAPrivateKey(ECDSA *a, unsigned char **out); | |
171 | ||
d0561b5c BM |
172 | /* ECDSAPublicKey_set_octet_string() sets the public key in the ECDSA-structure. |
173 | * (*a) must be a pointer to a ECDSA-structure with (*a)->group not zero | |
174 | * (e.g. a ECDSA-structure with a valid EC_GROUP-structure) */ | |
175 | ECDSA *ECDSAPublicKey_set_octet_string(ECDSA **a, const unsigned char **in, long len); | |
176 | /* ECDSAPublicKey_get_octet_string() returns the length of the octet string encoding | |
177 | * of the public key. If out != NULL then the function returns in *out | |
178 | * a pointer to the octet string */ | |
179 | int ECDSAPublicKey_get_octet_string(ECDSA *a, unsigned char **out); | |
4d94ae00 BM |
180 | |
181 | ||
182 | #define ECDSAParameters_dup(x) (ECDSA *)ASN1_dup((int (*)())i2d_ECDSAParameters, \ | |
183 | (char *(*)())d2i_ECDSAParameters,(char *)(x)) | |
184 | #define d2i_ECDSAParameters_fp(fp,x) (ECDSA *)ASN1_d2i_fp((char *(*)())ECDSA_new, \ | |
185 | (char *(*)())d2i_ECDSAParameters,(fp),(unsigned char **)(x)) | |
186 | #define i2d_ECDSAParameters_fp(fp,x) ASN1_i2d_fp(i2d_ECDSAParameters,(fp), \ | |
187 | (unsigned char *)(x)) | |
188 | #define d2i_ECDSAParameters_bio(bp,x) (ECDSA *)ASN1_d2i_bio((char *(*)())ECDSA_new, \ | |
189 | (char *(*)())d2i_ECDSAParameters,(bp),(unsigned char **)(x)) | |
190 | #define i2d_ECDSAParameters_bio(bp,x) ASN1_i2d_bio(i2d_ECDSAParameters,(bp), \ | |
191 | (unsigned char *)(x)) | |
192 | ||
193 | /* BEGIN ERROR CODES */ | |
194 | /* The following lines are auto generated by the script mkerr.pl. Any changes | |
195 | * made after this point may be overwritten when the script is next run. | |
196 | */ | |
af1cb47e | 197 | void ERR_load_ECDSA_strings(void); |
4d94ae00 BM |
198 | |
199 | /* Error codes for the ECDSA functions. */ | |
200 | ||
201 | /* Function codes. */ | |
202 | #define ECDSA_F_D2I_ECDSAPARAMETERS 100 | |
203 | #define ECDSA_F_D2I_ECDSAPRIVATEKEY 101 | |
204 | #define ECDSA_F_ECDSAPARAMETERS_PRINT 102 | |
205 | #define ECDSA_F_ECDSAPARAMETERS_PRINT_FP 103 | |
206 | #define ECDSA_F_ECDSA_DO_SIGN 104 | |
207 | #define ECDSA_F_ECDSA_DO_VERIFY 105 | |
208 | #define ECDSA_F_ECDSA_GENERATE_KEY 106 | |
209 | #define ECDSA_F_ECDSA_GET 107 | |
210 | #define ECDSA_F_ECDSA_GET_CURVE_NID 120 | |
211 | #define ECDSA_F_ECDSA_GET_ECDSA 121 | |
212 | #define ECDSA_F_ECDSA_GET_EC_PARAMETERS 122 | |
213 | #define ECDSA_F_ECDSA_GET_X9_62_CURVE 108 | |
214 | #define ECDSA_F_ECDSA_GET_X9_62_EC_PARAMETERS 109 | |
215 | #define ECDSA_F_ECDSA_GET_X9_62_FIELDID 110 | |
216 | #define ECDSA_F_ECDSA_NEW 111 | |
217 | #define ECDSA_F_ECDSA_PRINT 112 | |
218 | #define ECDSA_F_ECDSA_PRINT_FP 113 | |
219 | #define ECDSA_F_ECDSA_SET_GROUP_P 114 | |
220 | #define ECDSA_F_ECDSA_SET_PRIME_GROUP 123 | |
221 | #define ECDSA_F_ECDSA_SIGN_SETUP 115 | |
222 | #define ECDSA_F_I2D_ECDSAPARAMETERS 116 | |
223 | #define ECDSA_F_I2D_ECDSAPRIVATEKEY 117 | |
224 | #define ECDSA_F_I2D_ECDSAPUBLICKEY 118 | |
225 | #define ECDSA_F_SIG_CB 119 | |
226 | ||
227 | /* Reason codes. */ | |
228 | #define ECDSA_R_BAD_SIGNATURE 100 | |
229 | #define ECDSA_R_CAN_NOT_GET_GENERATOR 101 | |
230 | #define ECDSA_R_D2I_ECDSAPRIVATEKEY_MISSING_PRIVATE_KEY 102 | |
231 | #define ECDSA_R_D2I_ECDSA_PRIVATEKEY_FAILURE 103 | |
232 | #define ECDSA_R_D2I_EC_PARAMETERS_FAILURE 133 | |
233 | #define ECDSA_R_D2I_X9_62_EC_PARAMETERS_FAILURE 104 | |
234 | #define ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 105 | |
235 | #define ECDSA_R_ECDSAPRIVATEKEY_NEW_FAILURE 106 | |
236 | #define ECDSA_R_ECDSA_F_ECDSA_NEW 107 | |
237 | #define ECDSA_R_ECDSA_GET_EC_PARAMETERS_FAILURE 134 | |
238 | #define ECDSA_R_ECDSA_GET_FAILURE 108 | |
239 | #define ECDSA_R_ECDSA_GET_X9_62_CURVE_FAILURE 109 | |
240 | #define ECDSA_R_ECDSA_GET_X9_62_EC_PARAMETERS_FAILURE 110 | |
241 | #define ECDSA_R_ECDSA_GET_X9_62_FIELDID_FAILURE 111 | |
242 | #define ECDSA_R_ECDSA_NEW_FAILURE 112 | |
243 | #define ECDSA_R_ECDSA_R_D2I_EC_PARAMETERS_FAILURE 135 | |
244 | #define ECDSA_R_ECDSA_R_D2I_X9_62_EC_PARAMETERS_FAILURE 113 | |
245 | #define ECDSA_R_ECPARAMETERS2ECDSA_FAILURE 138 | |
246 | #define ECDSA_R_EC_GROUP_NID2CURVE_FAILURE 136 | |
247 | #define ECDSA_R_ERR_EC_LIB 114 | |
248 | #define ECDSA_R_I2D_ECDSA_PRIVATEKEY 115 | |
249 | #define ECDSA_R_I2D_ECDSA_PUBLICKEY 116 | |
250 | #define ECDSA_R_MISSING_PARAMETERS 117 | |
458c2917 | 251 | #define ECDSA_R_MISSING_PRIVATE_KEY 139 |
4d94ae00 BM |
252 | #define ECDSA_R_NOT_SUPPORTED 118 |
253 | #define ECDSA_R_NO_CURVE_PARAMETER_A_SPECIFIED 119 | |
254 | #define ECDSA_R_NO_CURVE_PARAMETER_B_SPECIFIED 120 | |
255 | #define ECDSA_R_NO_CURVE_SPECIFIED 121 | |
256 | #define ECDSA_R_NO_FIELD_SPECIFIED 122 | |
257 | #define ECDSA_R_PRIME_MISSING 123 | |
258 | #define ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED 124 | |
259 | #define ECDSA_R_SIGNATURE_MALLOC_FAILED 125 | |
260 | #define ECDSA_R_UNEXPECTED_ASN1_TYPE 126 | |
261 | #define ECDSA_R_UNEXPECTED_PARAMETER 127 | |
262 | #define ECDSA_R_UNEXPECTED_PARAMETER_LENGTH 128 | |
263 | #define ECDSA_R_UNEXPECTED_VERSION_NUMER 129 | |
264 | #define ECDSA_R_UNKNOWN_PARAMETERS_TYPE 137 | |
265 | #define ECDSA_R_WRONG_FIELD_IDENTIFIER 130 | |
266 | #define ECDSA_R_X9_62_CURVE_NEW_FAILURE 131 | |
267 | #define ECDSA_R_X9_62_EC_PARAMETERS_NEW_FAILURE 132 | |
268 | ||
269 | #ifdef __cplusplus | |
270 | } | |
271 | #endif | |
272 | #endif |