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031e5cce | 1 | /* crypto/ec/ec.h */ |
b2d0e06f | 2 | /* |
031e5cce SM |
3 | * Originally written by Bodo Moeller for the OpenSSL project. |
4 | */ | |
5 | /** | |
6 | * \file crypto/ec/ec.h Include file for the OpenSSL EC functions | |
7 | * \author Originally written by Bodo Moeller for the OpenSSL project | |
8 | */ | |
9 | /* ==================================================================== | |
10 | * Copyright (c) 1998-2005 The OpenSSL Project. All rights reserved. | |
11 | * | |
12 | * Redistribution and use in source and binary forms, with or without | |
13 | * modification, are permitted provided that the following conditions | |
14 | * are met: | |
15 | * | |
16 | * 1. Redistributions of source code must retain the above copyright | |
17 | * notice, this list of conditions and the following disclaimer. | |
18 | * | |
19 | * 2. Redistributions in binary form must reproduce the above copyright | |
20 | * notice, this list of conditions and the following disclaimer in | |
21 | * the documentation and/or other materials provided with the | |
22 | * distribution. | |
23 | * | |
24 | * 3. All advertising materials mentioning features or use of this | |
25 | * software must display the following acknowledgment: | |
26 | * "This product includes software developed by the OpenSSL Project | |
27 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
28 | * | |
29 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
30 | * endorse or promote products derived from this software without | |
31 | * prior written permission. For written permission, please contact | |
32 | * openssl-core@openssl.org. | |
33 | * | |
34 | * 5. Products derived from this software may not be called "OpenSSL" | |
35 | * nor may "OpenSSL" appear in their names without prior written | |
36 | * permission of the OpenSSL Project. | |
37 | * | |
38 | * 6. Redistributions of any form whatsoever must retain the following | |
39 | * acknowledgment: | |
40 | * "This product includes software developed by the OpenSSL Project | |
41 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
42 | * | |
43 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
44 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
45 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
46 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
47 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
48 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
49 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
50 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
51 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
52 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
53 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
54 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
55 | * ==================================================================== | |
56 | * | |
57 | * This product includes cryptographic software written by Eric Young | |
58 | * (eay@cryptsoft.com). This product includes software written by Tim | |
59 | * Hudson (tjh@cryptsoft.com). | |
b2d0e06f MG |
60 | * |
61 | */ | |
62 | /* ==================================================================== | |
63 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. | |
64 | * | |
d3819813 | 65 | * Portions of the attached software ("Contribution") are developed by |
b2d0e06f MG |
66 | * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project. |
67 | * | |
68 | * The Contribution is licensed pursuant to the OpenSSL open source | |
69 | * license provided above. | |
70 | * | |
d3819813 | 71 | * The elliptic curve binary polynomial software is originally written by |
b2d0e06f MG |
72 | * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories. |
73 | * | |
74 | */ | |
75 | ||
76 | #ifndef HEADER_EC_H | |
d3819813 | 77 | # define HEADER_EC_H |
b2d0e06f | 78 | |
d3819813 | 79 | # include <openssl/opensslconf.h> |
b2d0e06f | 80 | |
031e5cce SM |
81 | # ifdef OPENSSL_NO_EC |
82 | # error EC is disabled. | |
83 | # endif | |
84 | ||
d3819813 MTL |
85 | # include <openssl/asn1.h> |
86 | # include <openssl/symhacks.h> | |
031e5cce | 87 | # ifndef OPENSSL_NO_DEPRECATED |
d3819813 MTL |
88 | # include <openssl/bn.h> |
89 | # endif | |
031e5cce | 90 | |
d3819813 | 91 | # ifdef __cplusplus |
b2d0e06f | 92 | extern "C" { |
031e5cce SM |
93 | # elif defined(__SUNPRO_C) |
94 | # if __SUNPRO_C >= 0x520 | |
95 | # pragma error_messages (off,E_ARRAY_OF_INCOMPLETE_NONAME,E_ARRAY_OF_INCOMPLETE) | |
96 | # endif | |
b2d0e06f | 97 | # endif |
b2d0e06f | 98 | |
d3819813 MTL |
99 | # ifndef OPENSSL_ECC_MAX_FIELD_BITS |
100 | # define OPENSSL_ECC_MAX_FIELD_BITS 661 | |
101 | # endif | |
b2d0e06f | 102 | |
d3819813 MTL |
103 | /** Enum for the point conversion form as defined in X9.62 (ECDSA) |
104 | * for the encoding of a elliptic curve point (x,y) */ | |
b2d0e06f | 105 | typedef enum { |
d3819813 MTL |
106 | /** the point is encoded as z||x, where the octet z specifies |
107 | * which solution of the quadratic equation y is */ | |
108 | POINT_CONVERSION_COMPRESSED = 2, | |
62f0afa2 | 109 | /** the point is encoded as z||x||y, where z is the octet 0x04 */ |
d3819813 MTL |
110 | POINT_CONVERSION_UNCOMPRESSED = 4, |
111 | /** the point is encoded as z||x||y, where the octet z specifies | |
112 | * which solution of the quadratic equation y is */ | |
113 | POINT_CONVERSION_HYBRID = 6 | |
b2d0e06f MG |
114 | } point_conversion_form_t; |
115 | ||
b2d0e06f | 116 | typedef struct ec_method_st EC_METHOD; |
031e5cce SM |
117 | |
118 | typedef struct ec_group_st | |
119 | /*- | |
120 | EC_METHOD *meth; | |
121 | -- field definition | |
122 | -- curve coefficients | |
123 | -- optional generator with associated information (order, cofactor) | |
124 | -- optional extra data (precomputed table for fast computation of multiples of generator) | |
125 | -- ASN1 stuff | |
126 | */ | |
127 | EC_GROUP; | |
128 | ||
b2d0e06f MG |
129 | typedef struct ec_point_st EC_POINT; |
130 | ||
d3819813 MTL |
131 | /********************************************************************/ |
132 | /* EC_METHODs for curves over GF(p) */ | |
133 | /********************************************************************/ | |
b2d0e06f | 134 | |
d3819813 MTL |
135 | /** Returns the basic GFp ec methods which provides the basis for the |
136 | * optimized methods. | |
137 | * \return EC_METHOD object | |
b2d0e06f MG |
138 | */ |
139 | const EC_METHOD *EC_GFp_simple_method(void); | |
d3819813 MTL |
140 | |
141 | /** Returns GFp methods using montgomery multiplication. | |
142 | * \return EC_METHOD object | |
143 | */ | |
b2d0e06f | 144 | const EC_METHOD *EC_GFp_mont_method(void); |
d3819813 MTL |
145 | |
146 | /** Returns GFp methods using optimized methods for NIST recommended curves | |
147 | * \return EC_METHOD object | |
148 | */ | |
b2d0e06f MG |
149 | const EC_METHOD *EC_GFp_nist_method(void); |
150 | ||
d3819813 MTL |
151 | # ifndef OPENSSL_NO_EC_NISTP_64_GCC_128 |
152 | /** Returns 64-bit optimized methods for nistp224 | |
153 | * \return EC_METHOD object | |
154 | */ | |
155 | const EC_METHOD *EC_GFp_nistp224_method(void); | |
156 | ||
157 | /** Returns 64-bit optimized methods for nistp256 | |
158 | * \return EC_METHOD object | |
159 | */ | |
160 | const EC_METHOD *EC_GFp_nistp256_method(void); | |
161 | ||
162 | /** Returns 64-bit optimized methods for nistp521 | |
163 | * \return EC_METHOD object | |
164 | */ | |
165 | const EC_METHOD *EC_GFp_nistp521_method(void); | |
166 | # endif | |
167 | ||
168 | # ifndef OPENSSL_NO_EC2M | |
169 | /********************************************************************/ | |
170 | /* EC_METHOD for curves over GF(2^m) */ | |
171 | /********************************************************************/ | |
172 | ||
173 | /** Returns the basic GF2m ec method | |
174 | * \return EC_METHOD object | |
b2d0e06f MG |
175 | */ |
176 | const EC_METHOD *EC_GF2m_simple_method(void); | |
177 | ||
d3819813 MTL |
178 | # endif |
179 | ||
180 | /********************************************************************/ | |
181 | /* EC_GROUP functions */ | |
182 | /********************************************************************/ | |
183 | ||
184 | /** Creates a new EC_GROUP object | |
185 | * \param meth EC_METHOD to use | |
186 | * \return newly created EC_GROUP object or NULL in case of an error. | |
187 | */ | |
188 | EC_GROUP *EC_GROUP_new(const EC_METHOD *meth); | |
189 | ||
190 | /** Frees a EC_GROUP object | |
191 | * \param group EC_GROUP object to be freed. | |
192 | */ | |
193 | void EC_GROUP_free(EC_GROUP *group); | |
194 | ||
195 | /** Clears and frees a EC_GROUP object | |
196 | * \param group EC_GROUP object to be cleared and freed. | |
197 | */ | |
198 | void EC_GROUP_clear_free(EC_GROUP *group); | |
199 | ||
200 | /** Copies EC_GROUP objects. Note: both EC_GROUPs must use the same EC_METHOD. | |
201 | * \param dst destination EC_GROUP object | |
202 | * \param src source EC_GROUP object | |
203 | * \return 1 on success and 0 if an error occurred. | |
204 | */ | |
205 | int EC_GROUP_copy(EC_GROUP *dst, const EC_GROUP *src); | |
b2d0e06f | 206 | |
d3819813 MTL |
207 | /** Creates a new EC_GROUP object and copies the copies the content |
208 | * form src to the newly created EC_KEY object | |
209 | * \param src source EC_GROUP object | |
210 | * \return newly created EC_GROUP object or NULL in case of an error. | |
211 | */ | |
212 | EC_GROUP *EC_GROUP_dup(const EC_GROUP *src); | |
b2d0e06f | 213 | |
d3819813 MTL |
214 | /** Returns the EC_METHOD of the EC_GROUP object. |
215 | * \param group EC_GROUP object | |
216 | * \return EC_METHOD used in this EC_GROUP object. | |
217 | */ | |
218 | const EC_METHOD *EC_GROUP_method_of(const EC_GROUP *group); | |
b2d0e06f | 219 | |
d3819813 MTL |
220 | /** Returns the field type of the EC_METHOD. |
221 | * \param meth EC_METHOD object | |
222 | * \return NID of the underlying field type OID. | |
223 | */ | |
224 | int EC_METHOD_get_field_type(const EC_METHOD *meth); | |
225 | ||
226 | /** Sets the generator and it's order/cofactor of a EC_GROUP object. | |
227 | * \param group EC_GROUP object | |
228 | * \param generator EC_POINT object with the generator. | |
229 | * \param order the order of the group generated by the generator. | |
230 | * \param cofactor the index of the sub-group generated by the generator | |
231 | * in the group of all points on the elliptic curve. | |
031e5cce | 232 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
233 | */ |
234 | int EC_GROUP_set_generator(EC_GROUP *group, const EC_POINT *generator, | |
235 | const BIGNUM *order, const BIGNUM *cofactor); | |
b2d0e06f | 236 | |
d3819813 MTL |
237 | /** Returns the generator of a EC_GROUP object. |
238 | * \param group EC_GROUP object | |
239 | * \return the currently used generator (possibly NULL). | |
240 | */ | |
241 | const EC_POINT *EC_GROUP_get0_generator(const EC_GROUP *group); | |
242 | ||
243 | /** Returns the montgomery data for order(Generator) | |
244 | * \param group EC_GROUP object | |
031e5cce | 245 | * \return the currently used generator (possibly NULL). |
d3819813 MTL |
246 | */ |
247 | BN_MONT_CTX *EC_GROUP_get_mont_data(const EC_GROUP *group); | |
248 | ||
249 | /** Gets the order of a EC_GROUP | |
250 | * \param group EC_GROUP object | |
251 | * \param order BIGNUM to which the order is copied | |
031e5cce SM |
252 | * \param ctx BN_CTX object (optional) |
253 | * \return 1 on success and 0 if an error occured | |
d3819813 MTL |
254 | */ |
255 | int EC_GROUP_get_order(const EC_GROUP *group, BIGNUM *order, BN_CTX *ctx); | |
b2d0e06f | 256 | |
d3819813 MTL |
257 | /** Gets the cofactor of a EC_GROUP |
258 | * \param group EC_GROUP object | |
259 | * \param cofactor BIGNUM to which the cofactor is copied | |
031e5cce SM |
260 | * \param ctx BN_CTX object (optional) |
261 | * \return 1 on success and 0 if an error occured | |
d3819813 MTL |
262 | */ |
263 | int EC_GROUP_get_cofactor(const EC_GROUP *group, BIGNUM *cofactor, | |
264 | BN_CTX *ctx); | |
b2d0e06f | 265 | |
d3819813 MTL |
266 | /** Sets the name of a EC_GROUP object |
267 | * \param group EC_GROUP object | |
268 | * \param nid NID of the curve name OID | |
269 | */ | |
270 | void EC_GROUP_set_curve_name(EC_GROUP *group, int nid); | |
271 | ||
272 | /** Returns the curve name of a EC_GROUP object | |
273 | * \param group EC_GROUP object | |
274 | * \return NID of the curve name OID or 0 if not set. | |
275 | */ | |
276 | int EC_GROUP_get_curve_name(const EC_GROUP *group); | |
277 | ||
278 | void EC_GROUP_set_asn1_flag(EC_GROUP *group, int flag); | |
279 | int EC_GROUP_get_asn1_flag(const EC_GROUP *group); | |
280 | ||
281 | void EC_GROUP_set_point_conversion_form(EC_GROUP *group, | |
282 | point_conversion_form_t form); | |
b2d0e06f MG |
283 | point_conversion_form_t EC_GROUP_get_point_conversion_form(const EC_GROUP *); |
284 | ||
d3819813 | 285 | unsigned char *EC_GROUP_get0_seed(const EC_GROUP *x); |
b2d0e06f MG |
286 | size_t EC_GROUP_get_seed_len(const EC_GROUP *); |
287 | size_t EC_GROUP_set_seed(EC_GROUP *, const unsigned char *, size_t len); | |
288 | ||
d3819813 MTL |
289 | /** Sets the parameter of a ec over GFp defined by y^2 = x^3 + a*x + b |
290 | * \param group EC_GROUP object | |
291 | * \param p BIGNUM with the prime number | |
292 | * \param a BIGNUM with parameter a of the equation | |
293 | * \param b BIGNUM with parameter b of the equation | |
294 | * \param ctx BN_CTX object (optional) | |
031e5cce | 295 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
296 | */ |
297 | int EC_GROUP_set_curve_GFp(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, | |
298 | const BIGNUM *b, BN_CTX *ctx); | |
299 | ||
300 | /** Gets the parameter of the ec over GFp defined by y^2 = x^3 + a*x + b | |
301 | * \param group EC_GROUP object | |
302 | * \param p BIGNUM for the prime number | |
303 | * \param a BIGNUM for parameter a of the equation | |
304 | * \param b BIGNUM for parameter b of the equation | |
305 | * \param ctx BN_CTX object (optional) | |
031e5cce | 306 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
307 | */ |
308 | int EC_GROUP_get_curve_GFp(const EC_GROUP *group, BIGNUM *p, BIGNUM *a, | |
309 | BIGNUM *b, BN_CTX *ctx); | |
310 | ||
311 | # ifndef OPENSSL_NO_EC2M | |
312 | /** Sets the parameter of a ec over GF2m defined by y^2 + x*y = x^3 + a*x^2 + b | |
313 | * \param group EC_GROUP object | |
314 | * \param p BIGNUM with the polynomial defining the underlying field | |
315 | * \param a BIGNUM with parameter a of the equation | |
316 | * \param b BIGNUM with parameter b of the equation | |
317 | * \param ctx BN_CTX object (optional) | |
031e5cce | 318 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
319 | */ |
320 | int EC_GROUP_set_curve_GF2m(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, | |
321 | const BIGNUM *b, BN_CTX *ctx); | |
322 | ||
323 | /** Gets the parameter of the ec over GF2m defined by y^2 + x*y = x^3 + a*x^2 + b | |
324 | * \param group EC_GROUP object | |
325 | * \param p BIGNUM for the polynomial defining the underlying field | |
326 | * \param a BIGNUM for parameter a of the equation | |
327 | * \param b BIGNUM for parameter b of the equation | |
328 | * \param ctx BN_CTX object (optional) | |
031e5cce | 329 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
330 | */ |
331 | int EC_GROUP_get_curve_GF2m(const EC_GROUP *group, BIGNUM *p, BIGNUM *a, | |
332 | BIGNUM *b, BN_CTX *ctx); | |
333 | # endif | |
334 | /** Returns the number of bits needed to represent a field element | |
335 | * \param group EC_GROUP object | |
336 | * \return number of bits needed to represent a field element | |
337 | */ | |
338 | int EC_GROUP_get_degree(const EC_GROUP *group); | |
b2d0e06f | 339 | |
d3819813 MTL |
340 | /** Checks whether the parameter in the EC_GROUP define a valid ec group |
341 | * \param group EC_GROUP object | |
342 | * \param ctx BN_CTX object (optional) | |
343 | * \return 1 if group is a valid ec group and 0 otherwise | |
344 | */ | |
b2d0e06f | 345 | int EC_GROUP_check(const EC_GROUP *group, BN_CTX *ctx); |
b2d0e06f | 346 | |
d3819813 MTL |
347 | /** Checks whether the discriminant of the elliptic curve is zero or not |
348 | * \param group EC_GROUP object | |
349 | * \param ctx BN_CTX object (optional) | |
350 | * \return 1 if the discriminant is not zero and 0 otherwise | |
351 | */ | |
352 | int EC_GROUP_check_discriminant(const EC_GROUP *group, BN_CTX *ctx); | |
353 | ||
354 | /** Compares two EC_GROUP objects | |
355 | * \param a first EC_GROUP object | |
356 | * \param b second EC_GROUP object | |
357 | * \param ctx BN_CTX object (optional) | |
031e5cce | 358 | * \return 0 if both groups are equal and 1 otherwise |
d3819813 MTL |
359 | */ |
360 | int EC_GROUP_cmp(const EC_GROUP *a, const EC_GROUP *b, BN_CTX *ctx); | |
b2d0e06f | 361 | |
d3819813 MTL |
362 | /* |
363 | * EC_GROUP_new_GF*() calls EC_GROUP_new() and EC_GROUP_set_GF*() after | |
364 | * choosing an appropriate EC_METHOD | |
365 | */ | |
b2d0e06f | 366 | |
d3819813 MTL |
367 | /** Creates a new EC_GROUP object with the specified parameters defined |
368 | * over GFp (defined by the equation y^2 = x^3 + a*x + b) | |
369 | * \param p BIGNUM with the prime number | |
370 | * \param a BIGNUM with the parameter a of the equation | |
371 | * \param b BIGNUM with the parameter b of the equation | |
372 | * \param ctx BN_CTX object (optional) | |
373 | * \return newly created EC_GROUP object with the specified parameters | |
374 | */ | |
375 | EC_GROUP *EC_GROUP_new_curve_GFp(const BIGNUM *p, const BIGNUM *a, | |
376 | const BIGNUM *b, BN_CTX *ctx); | |
377 | # ifndef OPENSSL_NO_EC2M | |
378 | /** Creates a new EC_GROUP object with the specified parameters defined | |
379 | * over GF2m (defined by the equation y^2 + x*y = x^3 + a*x^2 + b) | |
380 | * \param p BIGNUM with the polynomial defining the underlying field | |
381 | * \param a BIGNUM with the parameter a of the equation | |
382 | * \param b BIGNUM with the parameter b of the equation | |
383 | * \param ctx BN_CTX object (optional) | |
384 | * \return newly created EC_GROUP object with the specified parameters | |
385 | */ | |
386 | EC_GROUP *EC_GROUP_new_curve_GF2m(const BIGNUM *p, const BIGNUM *a, | |
387 | const BIGNUM *b, BN_CTX *ctx); | |
388 | # endif | |
389 | /** Creates a EC_GROUP object with a curve specified by a NID | |
390 | * \param nid NID of the OID of the curve name | |
391 | * \return newly created EC_GROUP object with specified curve or NULL | |
392 | * if an error occurred | |
393 | */ | |
b2d0e06f | 394 | EC_GROUP *EC_GROUP_new_by_curve_name(int nid); |
d3819813 MTL |
395 | |
396 | /********************************************************************/ | |
397 | /* handling of internal curves */ | |
398 | /********************************************************************/ | |
399 | ||
400 | typedef struct { | |
401 | int nid; | |
402 | const char *comment; | |
403 | } EC_builtin_curve; | |
404 | ||
405 | /* | |
406 | * EC_builtin_curves(EC_builtin_curve *r, size_t size) returns number of all | |
031e5cce | 407 | * available curves or zero if a error occurred. In case r ist not zero |
d3819813 MTL |
408 | * nitems EC_builtin_curve structures are filled with the data of the first |
409 | * nitems internal groups | |
410 | */ | |
b2d0e06f MG |
411 | size_t EC_get_builtin_curves(EC_builtin_curve *r, size_t nitems); |
412 | ||
d3819813 MTL |
413 | const char *EC_curve_nid2nist(int nid); |
414 | int EC_curve_nist2nid(const char *name); | |
415 | ||
416 | /********************************************************************/ | |
417 | /* EC_POINT functions */ | |
418 | /********************************************************************/ | |
419 | ||
420 | /** Creates a new EC_POINT object for the specified EC_GROUP | |
421 | * \param group EC_GROUP the underlying EC_GROUP object | |
422 | * \return newly created EC_POINT object or NULL if an error occurred | |
423 | */ | |
424 | EC_POINT *EC_POINT_new(const EC_GROUP *group); | |
425 | ||
426 | /** Frees a EC_POINT object | |
427 | * \param point EC_POINT object to be freed | |
428 | */ | |
429 | void EC_POINT_free(EC_POINT *point); | |
430 | ||
431 | /** Clears and frees a EC_POINT object | |
432 | * \param point EC_POINT object to be cleared and freed | |
433 | */ | |
434 | void EC_POINT_clear_free(EC_POINT *point); | |
435 | ||
436 | /** Copies EC_POINT object | |
437 | * \param dst destination EC_POINT object | |
438 | * \param src source EC_POINT object | |
031e5cce | 439 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
440 | */ |
441 | int EC_POINT_copy(EC_POINT *dst, const EC_POINT *src); | |
442 | ||
443 | /** Creates a new EC_POINT object and copies the content of the supplied | |
444 | * EC_POINT | |
445 | * \param src source EC_POINT object | |
446 | * \param group underlying the EC_GROUP object | |
447 | * \return newly created EC_POINT object or NULL if an error occurred | |
448 | */ | |
449 | EC_POINT *EC_POINT_dup(const EC_POINT *src, const EC_GROUP *group); | |
b2d0e06f | 450 | |
d3819813 MTL |
451 | /** Returns the EC_METHOD used in EC_POINT object |
452 | * \param point EC_POINT object | |
453 | * \return the EC_METHOD used | |
454 | */ | |
455 | const EC_METHOD *EC_POINT_method_of(const EC_POINT *point); | |
456 | ||
457 | /** Sets a point to infinity (neutral element) | |
458 | * \param group underlying EC_GROUP object | |
459 | * \param point EC_POINT to set to infinity | |
031e5cce | 460 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
461 | */ |
462 | int EC_POINT_set_to_infinity(const EC_GROUP *group, EC_POINT *point); | |
463 | ||
464 | /** Sets the jacobian projective coordinates of a EC_POINT over GFp | |
465 | * \param group underlying EC_GROUP object | |
466 | * \param p EC_POINT object | |
467 | * \param x BIGNUM with the x-coordinate | |
468 | * \param y BIGNUM with the y-coordinate | |
469 | * \param z BIGNUM with the z-coordinate | |
470 | * \param ctx BN_CTX object (optional) | |
031e5cce | 471 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
472 | */ |
473 | int EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *group, | |
474 | EC_POINT *p, const BIGNUM *x, | |
475 | const BIGNUM *y, const BIGNUM *z, | |
476 | BN_CTX *ctx); | |
477 | ||
478 | /** Gets the jacobian projective coordinates of a EC_POINT over GFp | |
479 | * \param group underlying EC_GROUP object | |
480 | * \param p EC_POINT object | |
481 | * \param x BIGNUM for the x-coordinate | |
482 | * \param y BIGNUM for the y-coordinate | |
483 | * \param z BIGNUM for the z-coordinate | |
484 | * \param ctx BN_CTX object (optional) | |
031e5cce | 485 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
486 | */ |
487 | int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *group, | |
488 | const EC_POINT *p, BIGNUM *x, | |
489 | BIGNUM *y, BIGNUM *z, | |
490 | BN_CTX *ctx); | |
491 | ||
492 | /** Sets the affine coordinates of a EC_POINT over GFp | |
493 | * \param group underlying EC_GROUP object | |
494 | * \param p EC_POINT object | |
495 | * \param x BIGNUM with the x-coordinate | |
496 | * \param y BIGNUM with the y-coordinate | |
497 | * \param ctx BN_CTX object (optional) | |
031e5cce | 498 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
499 | */ |
500 | int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *group, EC_POINT *p, | |
501 | const BIGNUM *x, const BIGNUM *y, | |
502 | BN_CTX *ctx); | |
503 | ||
504 | /** Gets the affine coordinates of a EC_POINT over GFp | |
505 | * \param group underlying EC_GROUP object | |
506 | * \param p EC_POINT object | |
507 | * \param x BIGNUM for the x-coordinate | |
508 | * \param y BIGNUM for the y-coordinate | |
509 | * \param ctx BN_CTX object (optional) | |
031e5cce | 510 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
511 | */ |
512 | int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group, | |
513 | const EC_POINT *p, BIGNUM *x, | |
514 | BIGNUM *y, BN_CTX *ctx); | |
515 | ||
516 | /** Sets the x9.62 compressed coordinates of a EC_POINT over GFp | |
517 | * \param group underlying EC_GROUP object | |
518 | * \param p EC_POINT object | |
519 | * \param x BIGNUM with x-coordinate | |
520 | * \param y_bit integer with the y-Bit (either 0 or 1) | |
521 | * \param ctx BN_CTX object (optional) | |
031e5cce | 522 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
523 | */ |
524 | int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group, | |
525 | EC_POINT *p, const BIGNUM *x, | |
526 | int y_bit, BN_CTX *ctx); | |
527 | # ifndef OPENSSL_NO_EC2M | |
528 | /** Sets the affine coordinates of a EC_POINT over GF2m | |
529 | * \param group underlying EC_GROUP object | |
530 | * \param p EC_POINT object | |
531 | * \param x BIGNUM with the x-coordinate | |
532 | * \param y BIGNUM with the y-coordinate | |
533 | * \param ctx BN_CTX object (optional) | |
031e5cce | 534 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
535 | */ |
536 | int EC_POINT_set_affine_coordinates_GF2m(const EC_GROUP *group, EC_POINT *p, | |
537 | const BIGNUM *x, const BIGNUM *y, | |
538 | BN_CTX *ctx); | |
539 | ||
540 | /** Gets the affine coordinates of a EC_POINT over GF2m | |
541 | * \param group underlying EC_GROUP object | |
542 | * \param p EC_POINT object | |
543 | * \param x BIGNUM for the x-coordinate | |
544 | * \param y BIGNUM for the y-coordinate | |
545 | * \param ctx BN_CTX object (optional) | |
031e5cce | 546 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
547 | */ |
548 | int EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *group, | |
549 | const EC_POINT *p, BIGNUM *x, | |
550 | BIGNUM *y, BN_CTX *ctx); | |
551 | ||
552 | /** Sets the x9.62 compressed coordinates of a EC_POINT over GF2m | |
553 | * \param group underlying EC_GROUP object | |
554 | * \param p EC_POINT object | |
555 | * \param x BIGNUM with x-coordinate | |
556 | * \param y_bit integer with the y-Bit (either 0 or 1) | |
557 | * \param ctx BN_CTX object (optional) | |
031e5cce | 558 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
559 | */ |
560 | int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *group, | |
561 | EC_POINT *p, const BIGNUM *x, | |
562 | int y_bit, BN_CTX *ctx); | |
563 | # endif | |
564 | /** Encodes a EC_POINT object to a octet string | |
565 | * \param group underlying EC_GROUP object | |
566 | * \param p EC_POINT object | |
567 | * \param form point conversion form | |
568 | * \param buf memory buffer for the result. If NULL the function returns | |
569 | * required buffer size. | |
570 | * \param len length of the memory buffer | |
571 | * \param ctx BN_CTX object (optional) | |
572 | * \return the length of the encoded octet string or 0 if an error occurred | |
573 | */ | |
574 | size_t EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *p, | |
575 | point_conversion_form_t form, | |
576 | unsigned char *buf, size_t len, BN_CTX *ctx); | |
577 | ||
578 | /** Decodes a EC_POINT from a octet string | |
579 | * \param group underlying EC_GROUP object | |
580 | * \param p EC_POINT object | |
581 | * \param buf memory buffer with the encoded ec point | |
582 | * \param len length of the encoded ec point | |
583 | * \param ctx BN_CTX object (optional) | |
031e5cce | 584 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
585 | */ |
586 | int EC_POINT_oct2point(const EC_GROUP *group, EC_POINT *p, | |
587 | const unsigned char *buf, size_t len, BN_CTX *ctx); | |
b2d0e06f MG |
588 | |
589 | /* other interfaces to point2oct/oct2point: */ | |
590 | BIGNUM *EC_POINT_point2bn(const EC_GROUP *, const EC_POINT *, | |
d3819813 | 591 | point_conversion_form_t form, BIGNUM *, BN_CTX *); |
b2d0e06f | 592 | EC_POINT *EC_POINT_bn2point(const EC_GROUP *, const BIGNUM *, |
d3819813 | 593 | EC_POINT *, BN_CTX *); |
b2d0e06f | 594 | char *EC_POINT_point2hex(const EC_GROUP *, const EC_POINT *, |
d3819813 | 595 | point_conversion_form_t form, BN_CTX *); |
b2d0e06f | 596 | EC_POINT *EC_POINT_hex2point(const EC_GROUP *, const char *, |
d3819813 MTL |
597 | EC_POINT *, BN_CTX *); |
598 | ||
599 | /********************************************************************/ | |
600 | /* functions for doing EC_POINT arithmetic */ | |
601 | /********************************************************************/ | |
602 | ||
603 | /** Computes the sum of two EC_POINT | |
604 | * \param group underlying EC_GROUP object | |
605 | * \param r EC_POINT object for the result (r = a + b) | |
606 | * \param a EC_POINT object with the first summand | |
607 | * \param b EC_POINT object with the second summand | |
608 | * \param ctx BN_CTX object (optional) | |
031e5cce | 609 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
610 | */ |
611 | int EC_POINT_add(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a, | |
612 | const EC_POINT *b, BN_CTX *ctx); | |
613 | ||
614 | /** Computes the double of a EC_POINT | |
615 | * \param group underlying EC_GROUP object | |
616 | * \param r EC_POINT object for the result (r = 2 * a) | |
617 | * \param a EC_POINT object | |
618 | * \param ctx BN_CTX object (optional) | |
031e5cce | 619 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
620 | */ |
621 | int EC_POINT_dbl(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a, | |
622 | BN_CTX *ctx); | |
623 | ||
624 | /** Computes the inverse of a EC_POINT | |
625 | * \param group underlying EC_GROUP object | |
626 | * \param a EC_POINT object to be inverted (it's used for the result as well) | |
627 | * \param ctx BN_CTX object (optional) | |
031e5cce | 628 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
629 | */ |
630 | int EC_POINT_invert(const EC_GROUP *group, EC_POINT *a, BN_CTX *ctx); | |
b2d0e06f | 631 | |
d3819813 MTL |
632 | /** Checks whether the point is the neutral element of the group |
633 | * \param group the underlying EC_GROUP object | |
634 | * \param p EC_POINT object | |
635 | * \return 1 if the point is the neutral element and 0 otherwise | |
636 | */ | |
637 | int EC_POINT_is_at_infinity(const EC_GROUP *group, const EC_POINT *p); | |
b2d0e06f | 638 | |
d3819813 MTL |
639 | /** Checks whether the point is on the curve |
640 | * \param group underlying EC_GROUP object | |
641 | * \param point EC_POINT object to check | |
642 | * \param ctx BN_CTX object (optional) | |
031e5cce | 643 | * \return 1 if point if on the curve and 0 otherwise |
d3819813 MTL |
644 | */ |
645 | int EC_POINT_is_on_curve(const EC_GROUP *group, const EC_POINT *point, | |
646 | BN_CTX *ctx); | |
647 | ||
648 | /** Compares two EC_POINTs | |
649 | * \param group underlying EC_GROUP object | |
650 | * \param a first EC_POINT object | |
651 | * \param b second EC_POINT object | |
652 | * \param ctx BN_CTX object (optional) | |
031e5cce | 653 | * \return 0 if both points are equal and a value != 0 otherwise |
d3819813 MTL |
654 | */ |
655 | int EC_POINT_cmp(const EC_GROUP *group, const EC_POINT *a, const EC_POINT *b, | |
656 | BN_CTX *ctx); | |
657 | ||
658 | int EC_POINT_make_affine(const EC_GROUP *group, EC_POINT *point, BN_CTX *ctx); | |
659 | int EC_POINTs_make_affine(const EC_GROUP *group, size_t num, | |
660 | EC_POINT *points[], BN_CTX *ctx); | |
661 | ||
031e5cce | 662 | /** Computes r = generator * n sum_{i=0}^{num-1} p[i] * m[i] |
d3819813 MTL |
663 | * \param group underlying EC_GROUP object |
664 | * \param r EC_POINT object for the result | |
665 | * \param n BIGNUM with the multiplier for the group generator (optional) | |
031e5cce | 666 | * \param num number futher summands |
d3819813 MTL |
667 | * \param p array of size num of EC_POINT objects |
668 | * \param m array of size num of BIGNUM objects | |
669 | * \param ctx BN_CTX object (optional) | |
031e5cce | 670 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
671 | */ |
672 | int EC_POINTs_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *n, | |
673 | size_t num, const EC_POINT *p[], const BIGNUM *m[], | |
674 | BN_CTX *ctx); | |
675 | ||
676 | /** Computes r = generator * n + q * m | |
677 | * \param group underlying EC_GROUP object | |
678 | * \param r EC_POINT object for the result | |
679 | * \param n BIGNUM with the multiplier for the group generator (optional) | |
680 | * \param q EC_POINT object with the first factor of the second summand | |
681 | * \param m BIGNUM with the second factor of the second summand | |
682 | * \param ctx BN_CTX object (optional) | |
031e5cce | 683 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
684 | */ |
685 | int EC_POINT_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *n, | |
686 | const EC_POINT *q, const BIGNUM *m, BN_CTX *ctx); | |
b2d0e06f | 687 | |
d3819813 MTL |
688 | /** Stores multiples of generator for faster point multiplication |
689 | * \param group EC_GROUP object | |
690 | * \param ctx BN_CTX object (optional) | |
031e5cce | 691 | * \return 1 on success and 0 if an error occured |
d3819813 MTL |
692 | */ |
693 | int EC_GROUP_precompute_mult(EC_GROUP *group, BN_CTX *ctx); | |
b2d0e06f | 694 | |
d3819813 MTL |
695 | /** Reports whether a precomputation has been done |
696 | * \param group EC_GROUP object | |
697 | * \return 1 if a pre-computation has been done and 0 otherwise | |
698 | */ | |
699 | int EC_GROUP_have_precompute_mult(const EC_GROUP *group); | |
b2d0e06f | 700 | |
d3819813 MTL |
701 | /********************************************************************/ |
702 | /* ASN1 stuff */ | |
703 | /********************************************************************/ | |
b2d0e06f | 704 | |
d3819813 MTL |
705 | /* |
706 | * EC_GROUP_get_basis_type() returns the NID of the basis type used to | |
707 | * represent the field elements | |
708 | */ | |
b2d0e06f | 709 | int EC_GROUP_get_basis_type(const EC_GROUP *); |
d3819813 | 710 | # ifndef OPENSSL_NO_EC2M |
b2d0e06f | 711 | int EC_GROUP_get_trinomial_basis(const EC_GROUP *, unsigned int *k); |
d3819813 MTL |
712 | int EC_GROUP_get_pentanomial_basis(const EC_GROUP *, unsigned int *k1, |
713 | unsigned int *k2, unsigned int *k3); | |
714 | # endif | |
b2d0e06f | 715 | |
031e5cce SM |
716 | # define OPENSSL_EC_NAMED_CURVE 0x001 |
717 | ||
718 | typedef struct ecpk_parameters_st ECPKPARAMETERS; | |
b2d0e06f MG |
719 | |
720 | EC_GROUP *d2i_ECPKParameters(EC_GROUP **, const unsigned char **in, long len); | |
721 | int i2d_ECPKParameters(const EC_GROUP *, unsigned char **out); | |
722 | ||
d3819813 MTL |
723 | # define d2i_ECPKParameters_bio(bp,x) ASN1_d2i_bio_of(EC_GROUP,NULL,d2i_ECPKParameters,bp,x) |
724 | # define i2d_ECPKParameters_bio(bp,x) ASN1_i2d_bio_of_const(EC_GROUP,i2d_ECPKParameters,bp,x) | |
725 | # define d2i_ECPKParameters_fp(fp,x) (EC_GROUP *)ASN1_d2i_fp(NULL, \ | |
b2d0e06f | 726 | (char *(*)())d2i_ECPKParameters,(fp),(unsigned char **)(x)) |
d3819813 MTL |
727 | # define i2d_ECPKParameters_fp(fp,x) ASN1_i2d_fp(i2d_ECPKParameters,(fp), \ |
728 | (unsigned char *)(x)) | |
b2d0e06f | 729 | |
031e5cce | 730 | # ifndef OPENSSL_NO_BIO |
d3819813 | 731 | int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off); |
031e5cce SM |
732 | # endif |
733 | # ifndef OPENSSL_NO_FP_API | |
d3819813 MTL |
734 | int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off); |
735 | # endif | |
736 | ||
737 | /********************************************************************/ | |
738 | /* EC_KEY functions */ | |
739 | /********************************************************************/ | |
b2d0e06f | 740 | |
031e5cce SM |
741 | typedef struct ec_key_st EC_KEY; |
742 | ||
b2d0e06f | 743 | /* some values for the encoding_flag */ |
d3819813 MTL |
744 | # define EC_PKEY_NO_PARAMETERS 0x001 |
745 | # define EC_PKEY_NO_PUBKEY 0x002 | |
746 | ||
747 | /* some values for the flags field */ | |
748 | # define EC_FLAG_NON_FIPS_ALLOW 0x1 | |
749 | # define EC_FLAG_FIPS_CHECKED 0x2 | |
b2d0e06f | 750 | |
d3819813 MTL |
751 | /** Creates a new EC_KEY object. |
752 | * \return EC_KEY object or NULL if an error occurred. | |
753 | */ | |
b2d0e06f | 754 | EC_KEY *EC_KEY_new(void); |
d3819813 MTL |
755 | |
756 | int EC_KEY_get_flags(const EC_KEY *key); | |
757 | ||
758 | void EC_KEY_set_flags(EC_KEY *key, int flags); | |
759 | ||
760 | void EC_KEY_clear_flags(EC_KEY *key, int flags); | |
761 | ||
762 | /** Creates a new EC_KEY object using a named curve as underlying | |
763 | * EC_GROUP object. | |
764 | * \param nid NID of the named curve. | |
765 | * \return EC_KEY object or NULL if an error occurred. | |
766 | */ | |
b2d0e06f | 767 | EC_KEY *EC_KEY_new_by_curve_name(int nid); |
d3819813 MTL |
768 | |
769 | /** Frees a EC_KEY object. | |
770 | * \param key EC_KEY object to be freed. | |
771 | */ | |
772 | void EC_KEY_free(EC_KEY *key); | |
773 | ||
774 | /** Copies a EC_KEY object. | |
775 | * \param dst destination EC_KEY object | |
776 | * \param src src EC_KEY object | |
777 | * \return dst or NULL if an error occurred. | |
778 | */ | |
779 | EC_KEY *EC_KEY_copy(EC_KEY *dst, const EC_KEY *src); | |
780 | ||
781 | /** Creates a new EC_KEY object and copies the content from src to it. | |
782 | * \param src the source EC_KEY object | |
783 | * \return newly created EC_KEY object or NULL if an error occurred. | |
784 | */ | |
785 | EC_KEY *EC_KEY_dup(const EC_KEY *src); | |
786 | ||
787 | /** Increases the internal reference count of a EC_KEY object. | |
788 | * \param key EC_KEY object | |
789 | * \return 1 on success and 0 if an error occurred. | |
790 | */ | |
791 | int EC_KEY_up_ref(EC_KEY *key); | |
792 | ||
793 | /** Returns the EC_GROUP object of a EC_KEY object | |
794 | * \param key EC_KEY object | |
795 | * \return the EC_GROUP object (possibly NULL). | |
796 | */ | |
797 | const EC_GROUP *EC_KEY_get0_group(const EC_KEY *key); | |
798 | ||
799 | /** Sets the EC_GROUP of a EC_KEY object. | |
800 | * \param key EC_KEY object | |
801 | * \param group EC_GROUP to use in the EC_KEY object (note: the EC_KEY | |
802 | * object will use an own copy of the EC_GROUP). | |
803 | * \return 1 on success and 0 if an error occurred. | |
804 | */ | |
805 | int EC_KEY_set_group(EC_KEY *key, const EC_GROUP *group); | |
806 | ||
807 | /** Returns the private key of a EC_KEY object. | |
808 | * \param key EC_KEY object | |
809 | * \return a BIGNUM with the private key (possibly NULL). | |
810 | */ | |
811 | const BIGNUM *EC_KEY_get0_private_key(const EC_KEY *key); | |
812 | ||
813 | /** Sets the private key of a EC_KEY object. | |
814 | * \param key EC_KEY object | |
815 | * \param prv BIGNUM with the private key (note: the EC_KEY object | |
816 | * will use an own copy of the BIGNUM). | |
817 | * \return 1 on success and 0 if an error occurred. | |
818 | */ | |
819 | int EC_KEY_set_private_key(EC_KEY *key, const BIGNUM *prv); | |
820 | ||
821 | /** Returns the public key of a EC_KEY object. | |
822 | * \param key the EC_KEY object | |
823 | * \return a EC_POINT object with the public key (possibly NULL) | |
824 | */ | |
825 | const EC_POINT *EC_KEY_get0_public_key(const EC_KEY *key); | |
826 | ||
827 | /** Sets the public key of a EC_KEY object. | |
828 | * \param key EC_KEY object | |
829 | * \param pub EC_POINT object with the public key (note: the EC_KEY object | |
830 | * will use an own copy of the EC_POINT object). | |
831 | * \return 1 on success and 0 if an error occurred. | |
832 | */ | |
833 | int EC_KEY_set_public_key(EC_KEY *key, const EC_POINT *pub); | |
834 | ||
835 | unsigned EC_KEY_get_enc_flags(const EC_KEY *key); | |
836 | void EC_KEY_set_enc_flags(EC_KEY *eckey, unsigned int flags); | |
837 | point_conversion_form_t EC_KEY_get_conv_form(const EC_KEY *key); | |
838 | void EC_KEY_set_conv_form(EC_KEY *eckey, point_conversion_form_t cform); | |
031e5cce SM |
839 | /* functions to set/get method specific data */ |
840 | void *EC_KEY_get_key_method_data(EC_KEY *key, | |
841 | void *(*dup_func) (void *), | |
842 | void (*free_func) (void *), | |
843 | void (*clear_free_func) (void *)); | |
844 | /** Sets the key method data of an EC_KEY object, if none has yet been set. | |
845 | * \param key EC_KEY object | |
846 | * \param data opaque data to install. | |
847 | * \param dup_func a function that duplicates |data|. | |
848 | * \param free_func a function that frees |data|. | |
849 | * \param clear_free_func a function that wipes and frees |data|. | |
850 | * \return the previously set data pointer, or NULL if |data| was inserted. | |
851 | */ | |
852 | void *EC_KEY_insert_key_method_data(EC_KEY *key, void *data, | |
853 | void *(*dup_func) (void *), | |
854 | void (*free_func) (void *), | |
855 | void (*clear_free_func) (void *)); | |
b2d0e06f | 856 | /* wrapper functions for the underlying EC_GROUP object */ |
d3819813 MTL |
857 | void EC_KEY_set_asn1_flag(EC_KEY *eckey, int asn1_flag); |
858 | ||
859 | /** Creates a table of pre-computed multiples of the generator to | |
860 | * accelerate further EC_KEY operations. | |
861 | * \param key EC_KEY object | |
862 | * \param ctx BN_CTX object (optional) | |
863 | * \return 1 on success and 0 if an error occurred. | |
864 | */ | |
865 | int EC_KEY_precompute_mult(EC_KEY *key, BN_CTX *ctx); | |
b2d0e06f | 866 | |
d3819813 MTL |
867 | /** Creates a new ec private (and optional a new public) key. |
868 | * \param key EC_KEY object | |
869 | * \return 1 on success and 0 if an error occurred. | |
870 | */ | |
871 | int EC_KEY_generate_key(EC_KEY *key); | |
b2d0e06f | 872 | |
d3819813 MTL |
873 | /** Verifies that a private and/or public key is valid. |
874 | * \param key the EC_KEY object | |
875 | * \return 1 on success and 0 otherwise. | |
876 | */ | |
877 | int EC_KEY_check_key(const EC_KEY *key); | |
878 | ||
031e5cce SM |
879 | /** Sets a public key from affine coordindates performing |
880 | * neccessary NIST PKV tests. | |
d3819813 MTL |
881 | * \param key the EC_KEY object |
882 | * \param x public key x coordinate | |
883 | * \param y public key y coordinate | |
884 | * \return 1 on success and 0 otherwise. | |
885 | */ | |
886 | int EC_KEY_set_public_key_affine_coordinates(EC_KEY *key, BIGNUM *x, | |
887 | BIGNUM *y); | |
888 | ||
889 | /********************************************************************/ | |
890 | /* de- and encoding functions for SEC1 ECPrivateKey */ | |
891 | /********************************************************************/ | |
892 | ||
893 | /** Decodes a private key from a memory buffer. | |
894 | * \param key a pointer to a EC_KEY object which should be used (or NULL) | |
895 | * \param in pointer to memory with the DER encoded private key | |
896 | * \param len length of the DER encoded private key | |
897 | * \return the decoded private key or NULL if an error occurred. | |
898 | */ | |
899 | EC_KEY *d2i_ECPrivateKey(EC_KEY **key, const unsigned char **in, long len); | |
900 | ||
901 | /** Encodes a private key object and stores the result in a buffer. | |
902 | * \param key the EC_KEY object to encode | |
903 | * \param out the buffer for the result (if NULL the function returns number | |
904 | * of bytes needed). | |
905 | * \return 1 on success and 0 if an error occurred. | |
906 | */ | |
907 | int i2d_ECPrivateKey(EC_KEY *key, unsigned char **out); | |
908 | ||
909 | /********************************************************************/ | |
910 | /* de- and encoding functions for EC parameters */ | |
911 | /********************************************************************/ | |
912 | ||
913 | /** Decodes ec parameter from a memory buffer. | |
914 | * \param key a pointer to a EC_KEY object which should be used (or NULL) | |
915 | * \param in pointer to memory with the DER encoded ec parameters | |
916 | * \param len length of the DER encoded ec parameters | |
917 | * \return a EC_KEY object with the decoded parameters or NULL if an error | |
918 | * occurred. | |
919 | */ | |
920 | EC_KEY *d2i_ECParameters(EC_KEY **key, const unsigned char **in, long len); | |
921 | ||
922 | /** Encodes ec parameter and stores the result in a buffer. | |
031e5cce | 923 | * \param key the EC_KEY object with ec paramters to encode |
d3819813 MTL |
924 | * \param out the buffer for the result (if NULL the function returns number |
925 | * of bytes needed). | |
926 | * \return 1 on success and 0 if an error occurred. | |
927 | */ | |
928 | int i2d_ECParameters(EC_KEY *key, unsigned char **out); | |
929 | ||
930 | /********************************************************************/ | |
931 | /* de- and encoding functions for EC public key */ | |
932 | /* (octet string, not DER -- hence 'o2i' and 'i2o') */ | |
933 | /********************************************************************/ | |
934 | ||
935 | /** Decodes a ec public key from a octet string. | |
936 | * \param key a pointer to a EC_KEY object which should be used | |
937 | * \param in memory buffer with the encoded public key | |
938 | * \param len length of the encoded public key | |
939 | * \return EC_KEY object with decoded public key or NULL if an error | |
940 | * occurred. | |
941 | */ | |
942 | EC_KEY *o2i_ECPublicKey(EC_KEY **key, const unsigned char **in, long len); | |
943 | ||
944 | /** Encodes a ec public key in an octet string. | |
945 | * \param key the EC_KEY object with the public key | |
946 | * \param out the buffer for the result (if NULL the function returns number | |
947 | * of bytes needed). | |
948 | * \return 1 on success and 0 if an error occurred | |
949 | */ | |
031e5cce | 950 | int i2o_ECPublicKey(EC_KEY *key, unsigned char **out); |
d3819813 | 951 | |
031e5cce | 952 | # ifndef OPENSSL_NO_BIO |
d3819813 MTL |
953 | /** Prints out the ec parameters on human readable form. |
954 | * \param bp BIO object to which the information is printed | |
955 | * \param key EC_KEY object | |
956 | * \return 1 on success and 0 if an error occurred | |
957 | */ | |
958 | int ECParameters_print(BIO *bp, const EC_KEY *key); | |
959 | ||
960 | /** Prints out the contents of a EC_KEY object | |
961 | * \param bp BIO object to which the information is printed | |
962 | * \param key EC_KEY object | |
963 | * \param off line offset | |
964 | * \return 1 on success and 0 if an error occurred | |
965 | */ | |
966 | int EC_KEY_print(BIO *bp, const EC_KEY *key, int off); | |
967 | ||
031e5cce SM |
968 | # endif |
969 | # ifndef OPENSSL_NO_FP_API | |
d3819813 MTL |
970 | /** Prints out the ec parameters on human readable form. |
971 | * \param fp file descriptor to which the information is printed | |
972 | * \param key EC_KEY object | |
973 | * \return 1 on success and 0 if an error occurred | |
974 | */ | |
975 | int ECParameters_print_fp(FILE *fp, const EC_KEY *key); | |
976 | ||
977 | /** Prints out the contents of a EC_KEY object | |
978 | * \param fp file descriptor to which the information is printed | |
979 | * \param key EC_KEY object | |
980 | * \param off line offset | |
981 | * \return 1 on success and 0 if an error occurred | |
982 | */ | |
983 | int EC_KEY_print_fp(FILE *fp, const EC_KEY *key, int off); | |
984 | ||
985 | # endif | |
986 | ||
987 | # define ECParameters_dup(x) ASN1_dup_of(EC_KEY,i2d_ECParameters,d2i_ECParameters,x) | |
988 | ||
989 | # ifndef __cplusplus | |
990 | # if defined(__SUNPRO_C) | |
991 | # if __SUNPRO_C >= 0x520 | |
992 | # pragma error_messages (default,E_ARRAY_OF_INCOMPLETE_NONAME,E_ARRAY_OF_INCOMPLETE) | |
993 | # endif | |
b2d0e06f MG |
994 | # endif |
995 | # endif | |
d3819813 MTL |
996 | |
997 | # define EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, nid) \ | |
998 | EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ | |
999 | EVP_PKEY_OP_PARAMGEN|EVP_PKEY_OP_KEYGEN, \ | |
1000 | EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID, nid, NULL) | |
1001 | ||
1002 | # define EVP_PKEY_CTX_set_ec_param_enc(ctx, flag) \ | |
1003 | EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ | |
1004 | EVP_PKEY_OP_PARAMGEN|EVP_PKEY_OP_KEYGEN, \ | |
1005 | EVP_PKEY_CTRL_EC_PARAM_ENC, flag, NULL) | |
1006 | ||
1007 | # define EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx, flag) \ | |
1008 | EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ | |
1009 | EVP_PKEY_OP_DERIVE, \ | |
1010 | EVP_PKEY_CTRL_EC_ECDH_COFACTOR, flag, NULL) | |
1011 | ||
1012 | # define EVP_PKEY_CTX_get_ecdh_cofactor_mode(ctx) \ | |
1013 | EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ | |
1014 | EVP_PKEY_OP_DERIVE, \ | |
1015 | EVP_PKEY_CTRL_EC_ECDH_COFACTOR, -2, NULL) | |
1016 | ||
1017 | # define EVP_PKEY_CTX_set_ecdh_kdf_type(ctx, kdf) \ | |
1018 | EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ | |
1019 | EVP_PKEY_OP_DERIVE, \ | |
1020 | EVP_PKEY_CTRL_EC_KDF_TYPE, kdf, NULL) | |
1021 | ||
1022 | # define EVP_PKEY_CTX_get_ecdh_kdf_type(ctx) \ | |
1023 | EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ | |
1024 | EVP_PKEY_OP_DERIVE, \ | |
1025 | EVP_PKEY_CTRL_EC_KDF_TYPE, -2, NULL) | |
1026 | ||
1027 | # define EVP_PKEY_CTX_set_ecdh_kdf_md(ctx, md) \ | |
1028 | EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ | |
1029 | EVP_PKEY_OP_DERIVE, \ | |
1030 | EVP_PKEY_CTRL_EC_KDF_MD, 0, (void *)md) | |
1031 | ||
1032 | # define EVP_PKEY_CTX_get_ecdh_kdf_md(ctx, pmd) \ | |
1033 | EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ | |
1034 | EVP_PKEY_OP_DERIVE, \ | |
1035 | EVP_PKEY_CTRL_GET_EC_KDF_MD, 0, (void *)pmd) | |
1036 | ||
1037 | # define EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx, len) \ | |
1038 | EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ | |
1039 | EVP_PKEY_OP_DERIVE, \ | |
1040 | EVP_PKEY_CTRL_EC_KDF_OUTLEN, len, NULL) | |
1041 | ||
1042 | # define EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx, plen) \ | |
1043 | EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ | |
1044 | EVP_PKEY_OP_DERIVE, \ | |
1045 | EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN, 0, (void *)plen) | |
1046 | ||
1047 | # define EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx, p, plen) \ | |
1048 | EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ | |
1049 | EVP_PKEY_OP_DERIVE, \ | |
1050 | EVP_PKEY_CTRL_EC_KDF_UKM, plen, (void *)p) | |
1051 | ||
1052 | # define EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx, p) \ | |
1053 | EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ | |
1054 | EVP_PKEY_OP_DERIVE, \ | |
1055 | EVP_PKEY_CTRL_GET_EC_KDF_UKM, 0, (void *)p) | |
1056 | ||
1057 | # define EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID (EVP_PKEY_ALG_CTRL + 1) | |
1058 | # define EVP_PKEY_CTRL_EC_PARAM_ENC (EVP_PKEY_ALG_CTRL + 2) | |
1059 | # define EVP_PKEY_CTRL_EC_ECDH_COFACTOR (EVP_PKEY_ALG_CTRL + 3) | |
1060 | # define EVP_PKEY_CTRL_EC_KDF_TYPE (EVP_PKEY_ALG_CTRL + 4) | |
1061 | # define EVP_PKEY_CTRL_EC_KDF_MD (EVP_PKEY_ALG_CTRL + 5) | |
1062 | # define EVP_PKEY_CTRL_GET_EC_KDF_MD (EVP_PKEY_ALG_CTRL + 6) | |
1063 | # define EVP_PKEY_CTRL_EC_KDF_OUTLEN (EVP_PKEY_ALG_CTRL + 7) | |
1064 | # define EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN (EVP_PKEY_ALG_CTRL + 8) | |
1065 | # define EVP_PKEY_CTRL_EC_KDF_UKM (EVP_PKEY_ALG_CTRL + 9) | |
1066 | # define EVP_PKEY_CTRL_GET_EC_KDF_UKM (EVP_PKEY_ALG_CTRL + 10) | |
1067 | /* KDF types */ | |
1068 | # define EVP_PKEY_ECDH_KDF_NONE 1 | |
1069 | # define EVP_PKEY_ECDH_KDF_X9_62 2 | |
b2d0e06f MG |
1070 | |
1071 | /* BEGIN ERROR CODES */ | |
d3819813 MTL |
1072 | /* |
1073 | * The following lines are auto generated by the script mkerr.pl. Any changes | |
b2d0e06f MG |
1074 | * made after this point may be overwritten when the script is next run. |
1075 | */ | |
031e5cce | 1076 | void ERR_load_EC_strings(void); |
b2d0e06f MG |
1077 | |
1078 | /* Error codes for the EC functions. */ | |
1079 | ||
1080 | /* Function codes. */ | |
d3819813 | 1081 | # define EC_F_BN_TO_FELEM 224 |
031e5cce | 1082 | # define EC_F_COMPUTE_WNAF 143 |
d3819813 MTL |
1083 | # define EC_F_D2I_ECPARAMETERS 144 |
1084 | # define EC_F_D2I_ECPKPARAMETERS 145 | |
1085 | # define EC_F_D2I_ECPRIVATEKEY 146 | |
1086 | # define EC_F_DO_EC_KEY_PRINT 221 | |
1087 | # define EC_F_ECDH_CMS_DECRYPT 238 | |
1088 | # define EC_F_ECDH_CMS_SET_SHARED_INFO 239 | |
1089 | # define EC_F_ECKEY_PARAM2TYPE 223 | |
1090 | # define EC_F_ECKEY_PARAM_DECODE 212 | |
1091 | # define EC_F_ECKEY_PRIV_DECODE 213 | |
1092 | # define EC_F_ECKEY_PRIV_ENCODE 214 | |
1093 | # define EC_F_ECKEY_PUB_DECODE 215 | |
1094 | # define EC_F_ECKEY_PUB_ENCODE 216 | |
1095 | # define EC_F_ECKEY_TYPE2PARAM 220 | |
1096 | # define EC_F_ECPARAMETERS_PRINT 147 | |
1097 | # define EC_F_ECPARAMETERS_PRINT_FP 148 | |
1098 | # define EC_F_ECPKPARAMETERS_PRINT 149 | |
1099 | # define EC_F_ECPKPARAMETERS_PRINT_FP 150 | |
1100 | # define EC_F_ECP_NISTZ256_GET_AFFINE 240 | |
1101 | # define EC_F_ECP_NISTZ256_MULT_PRECOMPUTE 243 | |
1102 | # define EC_F_ECP_NISTZ256_POINTS_MUL 241 | |
1103 | # define EC_F_ECP_NISTZ256_PRE_COMP_NEW 244 | |
031e5cce | 1104 | # define EC_F_ECP_NISTZ256_SET_WORDS 245 |
d3819813 | 1105 | # define EC_F_ECP_NISTZ256_WINDOWED_MUL 242 |
031e5cce SM |
1106 | # define EC_F_ECP_NIST_MOD_192 203 |
1107 | # define EC_F_ECP_NIST_MOD_224 204 | |
1108 | # define EC_F_ECP_NIST_MOD_256 205 | |
1109 | # define EC_F_ECP_NIST_MOD_521 206 | |
d3819813 MTL |
1110 | # define EC_F_EC_ASN1_GROUP2CURVE 153 |
1111 | # define EC_F_EC_ASN1_GROUP2FIELDID 154 | |
031e5cce SM |
1112 | # define EC_F_EC_ASN1_GROUP2PARAMETERS 155 |
1113 | # define EC_F_EC_ASN1_GROUP2PKPARAMETERS 156 | |
1114 | # define EC_F_EC_ASN1_PARAMETERS2GROUP 157 | |
1115 | # define EC_F_EC_ASN1_PKPARAMETERS2GROUP 158 | |
1116 | # define EC_F_EC_EX_DATA_SET_DATA 211 | |
d3819813 MTL |
1117 | # define EC_F_EC_GF2M_MONTGOMERY_POINT_MULTIPLY 208 |
1118 | # define EC_F_EC_GF2M_SIMPLE_GROUP_CHECK_DISCRIMINANT 159 | |
1119 | # define EC_F_EC_GF2M_SIMPLE_GROUP_SET_CURVE 195 | |
1120 | # define EC_F_EC_GF2M_SIMPLE_OCT2POINT 160 | |
1121 | # define EC_F_EC_GF2M_SIMPLE_POINT2OCT 161 | |
1122 | # define EC_F_EC_GF2M_SIMPLE_POINT_GET_AFFINE_COORDINATES 162 | |
1123 | # define EC_F_EC_GF2M_SIMPLE_POINT_SET_AFFINE_COORDINATES 163 | |
1124 | # define EC_F_EC_GF2M_SIMPLE_SET_COMPRESSED_COORDINATES 164 | |
1125 | # define EC_F_EC_GFP_MONT_FIELD_DECODE 133 | |
1126 | # define EC_F_EC_GFP_MONT_FIELD_ENCODE 134 | |
1127 | # define EC_F_EC_GFP_MONT_FIELD_MUL 131 | |
1128 | # define EC_F_EC_GFP_MONT_FIELD_SET_TO_ONE 209 | |
1129 | # define EC_F_EC_GFP_MONT_FIELD_SQR 132 | |
1130 | # define EC_F_EC_GFP_MONT_GROUP_SET_CURVE 189 | |
031e5cce | 1131 | # define EC_F_EC_GFP_MONT_GROUP_SET_CURVE_GFP 135 |
d3819813 MTL |
1132 | # define EC_F_EC_GFP_NISTP224_GROUP_SET_CURVE 225 |
1133 | # define EC_F_EC_GFP_NISTP224_POINTS_MUL 228 | |
1134 | # define EC_F_EC_GFP_NISTP224_POINT_GET_AFFINE_COORDINATES 226 | |
1135 | # define EC_F_EC_GFP_NISTP256_GROUP_SET_CURVE 230 | |
1136 | # define EC_F_EC_GFP_NISTP256_POINTS_MUL 231 | |
1137 | # define EC_F_EC_GFP_NISTP256_POINT_GET_AFFINE_COORDINATES 232 | |
1138 | # define EC_F_EC_GFP_NISTP521_GROUP_SET_CURVE 233 | |
1139 | # define EC_F_EC_GFP_NISTP521_POINTS_MUL 234 | |
1140 | # define EC_F_EC_GFP_NISTP521_POINT_GET_AFFINE_COORDINATES 235 | |
1141 | # define EC_F_EC_GFP_NIST_FIELD_MUL 200 | |
1142 | # define EC_F_EC_GFP_NIST_FIELD_SQR 201 | |
1143 | # define EC_F_EC_GFP_NIST_GROUP_SET_CURVE 202 | |
1144 | # define EC_F_EC_GFP_SIMPLE_GROUP_CHECK_DISCRIMINANT 165 | |
1145 | # define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE 166 | |
031e5cce SM |
1146 | # define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE_GFP 100 |
1147 | # define EC_F_EC_GFP_SIMPLE_GROUP_SET_GENERATOR 101 | |
d3819813 MTL |
1148 | # define EC_F_EC_GFP_SIMPLE_MAKE_AFFINE 102 |
1149 | # define EC_F_EC_GFP_SIMPLE_OCT2POINT 103 | |
1150 | # define EC_F_EC_GFP_SIMPLE_POINT2OCT 104 | |
1151 | # define EC_F_EC_GFP_SIMPLE_POINTS_MAKE_AFFINE 137 | |
1152 | # define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES 167 | |
031e5cce | 1153 | # define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES_GFP 105 |
d3819813 | 1154 | # define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES 168 |
031e5cce | 1155 | # define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES_GFP 128 |
d3819813 | 1156 | # define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES 169 |
031e5cce | 1157 | # define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES_GFP 129 |
d3819813 MTL |
1158 | # define EC_F_EC_GROUP_CHECK 170 |
1159 | # define EC_F_EC_GROUP_CHECK_DISCRIMINANT 171 | |
1160 | # define EC_F_EC_GROUP_COPY 106 | |
031e5cce SM |
1161 | # define EC_F_EC_GROUP_GET0_GENERATOR 139 |
1162 | # define EC_F_EC_GROUP_GET_COFACTOR 140 | |
d3819813 MTL |
1163 | # define EC_F_EC_GROUP_GET_CURVE_GF2M 172 |
1164 | # define EC_F_EC_GROUP_GET_CURVE_GFP 130 | |
1165 | # define EC_F_EC_GROUP_GET_DEGREE 173 | |
031e5cce | 1166 | # define EC_F_EC_GROUP_GET_ORDER 141 |
d3819813 MTL |
1167 | # define EC_F_EC_GROUP_GET_PENTANOMIAL_BASIS 193 |
1168 | # define EC_F_EC_GROUP_GET_TRINOMIAL_BASIS 194 | |
1169 | # define EC_F_EC_GROUP_NEW 108 | |
1170 | # define EC_F_EC_GROUP_NEW_BY_CURVE_NAME 174 | |
1171 | # define EC_F_EC_GROUP_NEW_FROM_DATA 175 | |
031e5cce | 1172 | # define EC_F_EC_GROUP_PRECOMPUTE_MULT 142 |
d3819813 MTL |
1173 | # define EC_F_EC_GROUP_SET_CURVE_GF2M 176 |
1174 | # define EC_F_EC_GROUP_SET_CURVE_GFP 109 | |
031e5cce | 1175 | # define EC_F_EC_GROUP_SET_EXTRA_DATA 110 |
d3819813 MTL |
1176 | # define EC_F_EC_GROUP_SET_GENERATOR 111 |
1177 | # define EC_F_EC_KEY_CHECK_KEY 177 | |
1178 | # define EC_F_EC_KEY_COPY 178 | |
1179 | # define EC_F_EC_KEY_GENERATE_KEY 179 | |
1180 | # define EC_F_EC_KEY_NEW 182 | |
1181 | # define EC_F_EC_KEY_PRINT 180 | |
1182 | # define EC_F_EC_KEY_PRINT_FP 181 | |
1183 | # define EC_F_EC_KEY_SET_PUBLIC_KEY_AFFINE_COORDINATES 229 | |
1184 | # define EC_F_EC_POINTS_MAKE_AFFINE 136 | |
1185 | # define EC_F_EC_POINT_ADD 112 | |
1186 | # define EC_F_EC_POINT_CMP 113 | |
1187 | # define EC_F_EC_POINT_COPY 114 | |
1188 | # define EC_F_EC_POINT_DBL 115 | |
1189 | # define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GF2M 183 | |
1190 | # define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GFP 116 | |
1191 | # define EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP 117 | |
1192 | # define EC_F_EC_POINT_INVERT 210 | |
1193 | # define EC_F_EC_POINT_IS_AT_INFINITY 118 | |
1194 | # define EC_F_EC_POINT_IS_ON_CURVE 119 | |
1195 | # define EC_F_EC_POINT_MAKE_AFFINE 120 | |
031e5cce | 1196 | # define EC_F_EC_POINT_MUL 184 |
d3819813 MTL |
1197 | # define EC_F_EC_POINT_NEW 121 |
1198 | # define EC_F_EC_POINT_OCT2POINT 122 | |
1199 | # define EC_F_EC_POINT_POINT2OCT 123 | |
1200 | # define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GF2M 185 | |
1201 | # define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP 124 | |
1202 | # define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M 186 | |
1203 | # define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP 125 | |
1204 | # define EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP 126 | |
1205 | # define EC_F_EC_POINT_SET_TO_INFINITY 127 | |
031e5cce | 1206 | # define EC_F_EC_PRE_COMP_DUP 207 |
d3819813 MTL |
1207 | # define EC_F_EC_PRE_COMP_NEW 196 |
1208 | # define EC_F_EC_WNAF_MUL 187 | |
1209 | # define EC_F_EC_WNAF_PRECOMPUTE_MULT 188 | |
1210 | # define EC_F_I2D_ECPARAMETERS 190 | |
1211 | # define EC_F_I2D_ECPKPARAMETERS 191 | |
1212 | # define EC_F_I2D_ECPRIVATEKEY 192 | |
1213 | # define EC_F_I2O_ECPUBLICKEY 151 | |
1214 | # define EC_F_NISTP224_PRE_COMP_NEW 227 | |
1215 | # define EC_F_NISTP256_PRE_COMP_NEW 236 | |
1216 | # define EC_F_NISTP521_PRE_COMP_NEW 237 | |
1217 | # define EC_F_O2I_ECPUBLICKEY 152 | |
1218 | # define EC_F_OLD_EC_PRIV_DECODE 222 | |
1219 | # define EC_F_PKEY_EC_CTRL 197 | |
1220 | # define EC_F_PKEY_EC_CTRL_STR 198 | |
1221 | # define EC_F_PKEY_EC_DERIVE 217 | |
1222 | # define EC_F_PKEY_EC_KEYGEN 199 | |
1223 | # define EC_F_PKEY_EC_PARAMGEN 219 | |
1224 | # define EC_F_PKEY_EC_SIGN 218 | |
b2d0e06f MG |
1225 | |
1226 | /* Reason codes. */ | |
d3819813 | 1227 | # define EC_R_ASN1_ERROR 115 |
031e5cce | 1228 | # define EC_R_ASN1_UNKNOWN_FIELD 116 |
d3819813 MTL |
1229 | # define EC_R_BIGNUM_OUT_OF_RANGE 144 |
1230 | # define EC_R_BUFFER_TOO_SMALL 100 | |
1231 | # define EC_R_COORDINATES_OUT_OF_RANGE 146 | |
1232 | # define EC_R_D2I_ECPKPARAMETERS_FAILURE 117 | |
1233 | # define EC_R_DECODE_ERROR 142 | |
1234 | # define EC_R_DISCRIMINANT_IS_ZERO 118 | |
1235 | # define EC_R_EC_GROUP_NEW_BY_NAME_FAILURE 119 | |
1236 | # define EC_R_FIELD_TOO_LARGE 143 | |
1237 | # define EC_R_GF2M_NOT_SUPPORTED 147 | |
1238 | # define EC_R_GROUP2PKPARAMETERS_FAILURE 120 | |
1239 | # define EC_R_I2D_ECPKPARAMETERS_FAILURE 121 | |
1240 | # define EC_R_INCOMPATIBLE_OBJECTS 101 | |
1241 | # define EC_R_INVALID_ARGUMENT 112 | |
1242 | # define EC_R_INVALID_COMPRESSED_POINT 110 | |
1243 | # define EC_R_INVALID_COMPRESSION_BIT 109 | |
1244 | # define EC_R_INVALID_CURVE 141 | |
1245 | # define EC_R_INVALID_DIGEST 151 | |
1246 | # define EC_R_INVALID_DIGEST_TYPE 138 | |
1247 | # define EC_R_INVALID_ENCODING 102 | |
1248 | # define EC_R_INVALID_FIELD 103 | |
1249 | # define EC_R_INVALID_FORM 104 | |
1250 | # define EC_R_INVALID_GROUP_ORDER 122 | |
1251 | # define EC_R_INVALID_PENTANOMIAL_BASIS 132 | |
1252 | # define EC_R_INVALID_PRIVATE_KEY 123 | |
1253 | # define EC_R_INVALID_TRINOMIAL_BASIS 137 | |
1254 | # define EC_R_KDF_PARAMETER_ERROR 148 | |
1255 | # define EC_R_KEYS_NOT_SET 140 | |
1256 | # define EC_R_MISSING_PARAMETERS 124 | |
1257 | # define EC_R_MISSING_PRIVATE_KEY 125 | |
1258 | # define EC_R_NOT_A_NIST_PRIME 135 | |
031e5cce | 1259 | # define EC_R_NOT_A_SUPPORTED_NIST_PRIME 136 |
d3819813 MTL |
1260 | # define EC_R_NOT_IMPLEMENTED 126 |
1261 | # define EC_R_NOT_INITIALIZED 111 | |
031e5cce | 1262 | # define EC_R_NO_FIELD_MOD 133 |
d3819813 MTL |
1263 | # define EC_R_NO_PARAMETERS_SET 139 |
1264 | # define EC_R_PASSED_NULL_PARAMETER 134 | |
1265 | # define EC_R_PEER_KEY_ERROR 149 | |
1266 | # define EC_R_PKPARAMETERS2GROUP_FAILURE 127 | |
1267 | # define EC_R_POINT_AT_INFINITY 106 | |
1268 | # define EC_R_POINT_IS_NOT_ON_CURVE 107 | |
1269 | # define EC_R_SHARED_INFO_ERROR 150 | |
1270 | # define EC_R_SLOT_FULL 108 | |
1271 | # define EC_R_UNDEFINED_GENERATOR 113 | |
1272 | # define EC_R_UNDEFINED_ORDER 128 | |
1273 | # define EC_R_UNKNOWN_GROUP 129 | |
1274 | # define EC_R_UNKNOWN_ORDER 114 | |
1275 | # define EC_R_UNSUPPORTED_FIELD 131 | |
1276 | # define EC_R_WRONG_CURVE_PARAMETERS 145 | |
1277 | # define EC_R_WRONG_ORDER 130 | |
b2d0e06f | 1278 | |
031e5cce | 1279 | #ifdef __cplusplus |
b2d0e06f | 1280 | } |
031e5cce | 1281 | #endif |
b2d0e06f | 1282 | #endif |