ec.h revision bdfb8ad83da0647e9b9a32792598e8ce7ba3ef4d
1/* crypto/ec/ec.h */
2/*
3 * Originally written by Bodo Moeller for the OpenSSL project.
4 */
5/* ====================================================================
6 * Copyright (c) 1998-2003 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 *    openssl-core@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 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
60 *
61 * Portions of the attached software ("Contribution") are developed by
62 * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
63 *
64 * The Contribution is licensed pursuant to the OpenSSL open source
65 * license provided above.
66 *
67 * The elliptic curve binary polynomial software is originally written by
68 * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories.
69 *
70 */
71
72#ifndef HEADER_EC_H
73#define HEADER_EC_H
74
75#include <openssl/opensslconf.h>
76
77#ifdef OPENSSL_NO_EC
78#error EC is disabled.
79#endif
80
81#include <openssl/asn1.h>
82#include <openssl/symhacks.h>
83#ifndef OPENSSL_NO_DEPRECATED
84#include <openssl/bn.h>
85#endif
86
87#ifdef  __cplusplus
88extern "C" {
89#elif defined(__SUNPRO_C)
90# if __SUNPRO_C >= 0x520
91# pragma error_messages (off,E_ARRAY_OF_INCOMPLETE_NONAME,E_ARRAY_OF_INCOMPLETE)
92# endif
93#endif
94
95
96#ifndef OPENSSL_ECC_MAX_FIELD_BITS
97# define OPENSSL_ECC_MAX_FIELD_BITS 661
98#endif
99
100typedef enum {
101	/* values as defined in X9.62 (ECDSA) and elsewhere */
102	POINT_CONVERSION_COMPRESSED = 2,
103	POINT_CONVERSION_UNCOMPRESSED = 4,
104	POINT_CONVERSION_HYBRID = 6
105} point_conversion_form_t;
106
107
108typedef struct ec_method_st EC_METHOD;
109
110typedef struct ec_group_st
111	/*
112	 EC_METHOD *meth;
113	 -- field definition
114	 -- curve coefficients
115	 -- optional generator with associated information (order, cofactor)
116	 -- optional extra data (precomputed table for fast computation of multiples of generator)
117	 -- ASN1 stuff
118	*/
119	EC_GROUP;
120
121typedef struct ec_point_st EC_POINT;
122
123
124/* EC_METHODs for curves over GF(p).
125 * EC_GFp_simple_method provides the basis for the optimized methods.
126 */
127const EC_METHOD *EC_GFp_simple_method(void);
128const EC_METHOD *EC_GFp_mont_method(void);
129const EC_METHOD *EC_GFp_nist_method(void);
130
131/* EC_METHOD for curves over GF(2^m).
132 */
133const EC_METHOD *EC_GF2m_simple_method(void);
134
135
136EC_GROUP *EC_GROUP_new(const EC_METHOD *);
137void EC_GROUP_free(EC_GROUP *);
138void EC_GROUP_clear_free(EC_GROUP *);
139int EC_GROUP_copy(EC_GROUP *, const EC_GROUP *);
140EC_GROUP *EC_GROUP_dup(const EC_GROUP *);
141
142const EC_METHOD *EC_GROUP_method_of(const EC_GROUP *);
143int EC_METHOD_get_field_type(const EC_METHOD *);
144
145int EC_GROUP_set_generator(EC_GROUP *, const EC_POINT *generator, const BIGNUM *order, const BIGNUM *cofactor);
146const EC_POINT *EC_GROUP_get0_generator(const EC_GROUP *);
147int EC_GROUP_get_order(const EC_GROUP *, BIGNUM *order, BN_CTX *);
148int EC_GROUP_get_cofactor(const EC_GROUP *, BIGNUM *cofactor, BN_CTX *);
149
150void EC_GROUP_set_curve_name(EC_GROUP *, int nid);
151int EC_GROUP_get_curve_name(const EC_GROUP *);
152
153void EC_GROUP_set_asn1_flag(EC_GROUP *, int flag);
154int EC_GROUP_get_asn1_flag(const EC_GROUP *);
155
156void EC_GROUP_set_point_conversion_form(EC_GROUP *, point_conversion_form_t);
157point_conversion_form_t EC_GROUP_get_point_conversion_form(const EC_GROUP *);
158
159unsigned char *EC_GROUP_get0_seed(const EC_GROUP *);
160size_t EC_GROUP_get_seed_len(const EC_GROUP *);
161size_t EC_GROUP_set_seed(EC_GROUP *, const unsigned char *, size_t len);
162
163int EC_GROUP_set_curve_GFp(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
164int EC_GROUP_get_curve_GFp(const EC_GROUP *, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *);
165int EC_GROUP_set_curve_GF2m(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
166int EC_GROUP_get_curve_GF2m(const EC_GROUP *, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *);
167
168/* returns the number of bits needed to represent a field element */
169int EC_GROUP_get_degree(const EC_GROUP *);
170
171/* EC_GROUP_check() returns 1 if 'group' defines a valid group, 0 otherwise */
172int EC_GROUP_check(const EC_GROUP *group, BN_CTX *ctx);
173/* EC_GROUP_check_discriminant() returns 1 if the discriminant of the
174 * elliptic curve is not zero, 0 otherwise */
175int EC_GROUP_check_discriminant(const EC_GROUP *, BN_CTX *);
176
177/* EC_GROUP_cmp() returns 0 if both groups are equal and 1 otherwise */
178int EC_GROUP_cmp(const EC_GROUP *, const EC_GROUP *, BN_CTX *);
179
180/* EC_GROUP_new_GF*() calls EC_GROUP_new() and EC_GROUP_set_GF*()
181 * after choosing an appropriate EC_METHOD */
182EC_GROUP *EC_GROUP_new_curve_GFp(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
183EC_GROUP *EC_GROUP_new_curve_GF2m(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
184
185/* EC_GROUP_new_by_curve_name() creates a EC_GROUP structure
186 * specified by a curve name (in form of a NID) */
187EC_GROUP *EC_GROUP_new_by_curve_name(int nid);
188/* handling of internal curves */
189typedef struct {
190	int nid;
191	const char *comment;
192	} EC_builtin_curve;
193/* EC_builtin_curves(EC_builtin_curve *r, size_t size) returns number
194 * of all available curves or zero if a error occurred.
195 * In case r ist not zero nitems EC_builtin_curve structures
196 * are filled with the data of the first nitems internal groups */
197size_t EC_get_builtin_curves(EC_builtin_curve *r, size_t nitems);
198
199
200/* EC_POINT functions */
201
202EC_POINT *EC_POINT_new(const EC_GROUP *);
203void EC_POINT_free(EC_POINT *);
204void EC_POINT_clear_free(EC_POINT *);
205int EC_POINT_copy(EC_POINT *, const EC_POINT *);
206EC_POINT *EC_POINT_dup(const EC_POINT *, const EC_GROUP *);
207
208const EC_METHOD *EC_POINT_method_of(const EC_POINT *);
209
210int EC_POINT_set_to_infinity(const EC_GROUP *, EC_POINT *);
211int EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *, EC_POINT *,
212	const BIGNUM *x, const BIGNUM *y, const BIGNUM *z, BN_CTX *);
213int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *, const EC_POINT *,
214	BIGNUM *x, BIGNUM *y, BIGNUM *z, BN_CTX *);
215int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *, EC_POINT *,
216	const BIGNUM *x, const BIGNUM *y, BN_CTX *);
217int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *, const EC_POINT *,
218	BIGNUM *x, BIGNUM *y, BN_CTX *);
219int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *, EC_POINT *,
220	const BIGNUM *x, int y_bit, BN_CTX *);
221
222int EC_POINT_set_affine_coordinates_GF2m(const EC_GROUP *, EC_POINT *,
223	const BIGNUM *x, const BIGNUM *y, BN_CTX *);
224int EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *, const EC_POINT *,
225	BIGNUM *x, BIGNUM *y, BN_CTX *);
226int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *, EC_POINT *,
227	const BIGNUM *x, int y_bit, BN_CTX *);
228
229size_t EC_POINT_point2oct(const EC_GROUP *, const EC_POINT *, point_conversion_form_t form,
230        unsigned char *buf, size_t len, BN_CTX *);
231int EC_POINT_oct2point(const EC_GROUP *, EC_POINT *,
232        const unsigned char *buf, size_t len, BN_CTX *);
233
234/* other interfaces to point2oct/oct2point: */
235BIGNUM *EC_POINT_point2bn(const EC_GROUP *, const EC_POINT *,
236	point_conversion_form_t form, BIGNUM *, BN_CTX *);
237EC_POINT *EC_POINT_bn2point(const EC_GROUP *, const BIGNUM *,
238	EC_POINT *, BN_CTX *);
239char *EC_POINT_point2hex(const EC_GROUP *, const EC_POINT *,
240	point_conversion_form_t form, BN_CTX *);
241EC_POINT *EC_POINT_hex2point(const EC_GROUP *, const char *,
242	EC_POINT *, BN_CTX *);
243
244int EC_POINT_add(const EC_GROUP *, EC_POINT *r, const EC_POINT *a, const EC_POINT *b, BN_CTX *);
245int EC_POINT_dbl(const EC_GROUP *, EC_POINT *r, const EC_POINT *a, BN_CTX *);
246int EC_POINT_invert(const EC_GROUP *, EC_POINT *, BN_CTX *);
247
248int EC_POINT_is_at_infinity(const EC_GROUP *, const EC_POINT *);
249int EC_POINT_is_on_curve(const EC_GROUP *, const EC_POINT *, BN_CTX *);
250int EC_POINT_cmp(const EC_GROUP *, const EC_POINT *a, const EC_POINT *b, BN_CTX *);
251
252int EC_POINT_make_affine(const EC_GROUP *, EC_POINT *, BN_CTX *);
253int EC_POINTs_make_affine(const EC_GROUP *, size_t num, EC_POINT *[], BN_CTX *);
254
255
256int EC_POINTs_mul(const EC_GROUP *, EC_POINT *r, const BIGNUM *, size_t num, const EC_POINT *[], const BIGNUM *[], BN_CTX *);
257int EC_POINT_mul(const EC_GROUP *, EC_POINT *r, const BIGNUM *, const EC_POINT *, const BIGNUM *, BN_CTX *);
258
259/* EC_GROUP_precompute_mult() stores multiples of generator for faster point multiplication */
260int EC_GROUP_precompute_mult(EC_GROUP *, BN_CTX *);
261/* EC_GROUP_have_precompute_mult() reports whether such precomputation has been done */
262int EC_GROUP_have_precompute_mult(const EC_GROUP *);
263
264
265
266/* ASN1 stuff */
267
268/* EC_GROUP_get_basis_type() returns the NID of the basis type
269 * used to represent the field elements */
270int EC_GROUP_get_basis_type(const EC_GROUP *);
271int EC_GROUP_get_trinomial_basis(const EC_GROUP *, unsigned int *k);
272int EC_GROUP_get_pentanomial_basis(const EC_GROUP *, unsigned int *k1,
273	unsigned int *k2, unsigned int *k3);
274
275#define OPENSSL_EC_NAMED_CURVE	0x001
276
277typedef struct ecpk_parameters_st ECPKPARAMETERS;
278
279EC_GROUP *d2i_ECPKParameters(EC_GROUP **, const unsigned char **in, long len);
280int i2d_ECPKParameters(const EC_GROUP *, unsigned char **out);
281
282#define d2i_ECPKParameters_bio(bp,x) ASN1_d2i_bio_of(EC_GROUP,NULL,d2i_ECPKParameters,bp,x)
283#define i2d_ECPKParameters_bio(bp,x) ASN1_i2d_bio_of_const(EC_GROUP,i2d_ECPKParameters,bp,x)
284#define d2i_ECPKParameters_fp(fp,x) (EC_GROUP *)ASN1_d2i_fp(NULL, \
285                (char *(*)())d2i_ECPKParameters,(fp),(unsigned char **)(x))
286#define i2d_ECPKParameters_fp(fp,x) ASN1_i2d_fp(i2d_ECPKParameters,(fp), \
287		(unsigned char *)(x))
288
289#ifndef OPENSSL_NO_BIO
290int     ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off);
291#endif
292#ifndef OPENSSL_NO_FP_API
293int     ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off);
294#endif
295
296/* the EC_KEY stuff */
297typedef struct ec_key_st EC_KEY;
298
299/* some values for the encoding_flag */
300#define EC_PKEY_NO_PARAMETERS	0x001
301#define EC_PKEY_NO_PUBKEY	0x002
302
303EC_KEY *EC_KEY_new(void);
304EC_KEY *EC_KEY_new_by_curve_name(int nid);
305void EC_KEY_free(EC_KEY *);
306EC_KEY *EC_KEY_copy(EC_KEY *, const EC_KEY *);
307EC_KEY *EC_KEY_dup(const EC_KEY *);
308
309int EC_KEY_up_ref(EC_KEY *);
310
311const EC_GROUP *EC_KEY_get0_group(const EC_KEY *);
312int EC_KEY_set_group(EC_KEY *, const EC_GROUP *);
313const BIGNUM *EC_KEY_get0_private_key(const EC_KEY *);
314int EC_KEY_set_private_key(EC_KEY *, const BIGNUM *);
315const EC_POINT *EC_KEY_get0_public_key(const EC_KEY *);
316int EC_KEY_set_public_key(EC_KEY *, const EC_POINT *);
317unsigned EC_KEY_get_enc_flags(const EC_KEY *);
318void EC_KEY_set_enc_flags(EC_KEY *, unsigned int);
319point_conversion_form_t EC_KEY_get_conv_form(const EC_KEY *);
320void EC_KEY_set_conv_form(EC_KEY *, point_conversion_form_t);
321/* functions to set/get method specific data  */
322void *EC_KEY_get_key_method_data(EC_KEY *,
323	void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_func)(void *));
324void EC_KEY_insert_key_method_data(EC_KEY *, void *data,
325	void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_func)(void *));
326/* wrapper functions for the underlying EC_GROUP object */
327void EC_KEY_set_asn1_flag(EC_KEY *, int);
328int EC_KEY_precompute_mult(EC_KEY *, BN_CTX *ctx);
329
330/* EC_KEY_generate_key() creates a ec private (public) key */
331int EC_KEY_generate_key(EC_KEY *);
332/* EC_KEY_check_key() */
333int EC_KEY_check_key(const EC_KEY *);
334
335/* de- and encoding functions for SEC1 ECPrivateKey */
336EC_KEY *d2i_ECPrivateKey(EC_KEY **a, const unsigned char **in, long len);
337int i2d_ECPrivateKey(EC_KEY *a, unsigned char **out);
338/* de- and encoding functions for EC parameters */
339EC_KEY *d2i_ECParameters(EC_KEY **a, const unsigned char **in, long len);
340int i2d_ECParameters(EC_KEY *a, unsigned char **out);
341/* de- and encoding functions for EC public key
342 * (octet string, not DER -- hence 'o2i' and 'i2o') */
343EC_KEY *o2i_ECPublicKey(EC_KEY **a, const unsigned char **in, long len);
344int i2o_ECPublicKey(EC_KEY *a, unsigned char **out);
345
346#ifndef OPENSSL_NO_BIO
347int	ECParameters_print(BIO *bp, const EC_KEY *x);
348int	EC_KEY_print(BIO *bp, const EC_KEY *x, int off);
349#endif
350#ifndef OPENSSL_NO_FP_API
351int	ECParameters_print_fp(FILE *fp, const EC_KEY *x);
352int	EC_KEY_print_fp(FILE *fp, const EC_KEY *x, int off);
353#endif
354
355#define ECParameters_dup(x) ASN1_dup_of(EC_KEY,i2d_ECParameters,d2i_ECParameters,x)
356
357#ifndef __cplusplus
358#if defined(__SUNPRO_C)
359#  if __SUNPRO_C >= 0x520
360# pragma error_messages (default,E_ARRAY_OF_INCOMPLETE_NONAME,E_ARRAY_OF_INCOMPLETE)
361#  endif
362# endif
363#endif
364
365/* BEGIN ERROR CODES */
366/* The following lines are auto generated by the script mkerr.pl. Any changes
367 * made after this point may be overwritten when the script is next run.
368 */
369void ERR_load_EC_strings(void);
370
371/* Error codes for the EC functions. */
372
373/* Function codes. */
374#define EC_F_COMPUTE_WNAF				 143
375#define EC_F_D2I_ECPARAMETERS				 144
376#define EC_F_D2I_ECPKPARAMETERS				 145
377#define EC_F_D2I_ECPRIVATEKEY				 146
378#define EC_F_ECPARAMETERS_PRINT				 147
379#define EC_F_ECPARAMETERS_PRINT_FP			 148
380#define EC_F_ECPKPARAMETERS_PRINT			 149
381#define EC_F_ECPKPARAMETERS_PRINT_FP			 150
382#define EC_F_ECP_NIST_MOD_192				 203
383#define EC_F_ECP_NIST_MOD_224				 204
384#define EC_F_ECP_NIST_MOD_256				 205
385#define EC_F_ECP_NIST_MOD_521				 206
386#define EC_F_EC_ASN1_GROUP2CURVE			 153
387#define EC_F_EC_ASN1_GROUP2FIELDID			 154
388#define EC_F_EC_ASN1_GROUP2PARAMETERS			 155
389#define EC_F_EC_ASN1_GROUP2PKPARAMETERS			 156
390#define EC_F_EC_ASN1_PARAMETERS2GROUP			 157
391#define EC_F_EC_ASN1_PKPARAMETERS2GROUP			 158
392#define EC_F_EC_EX_DATA_SET_DATA			 211
393#define EC_F_EC_GF2M_MONTGOMERY_POINT_MULTIPLY		 208
394#define EC_F_EC_GF2M_SIMPLE_GROUP_CHECK_DISCRIMINANT	 159
395#define EC_F_EC_GF2M_SIMPLE_GROUP_SET_CURVE		 195
396#define EC_F_EC_GF2M_SIMPLE_OCT2POINT			 160
397#define EC_F_EC_GF2M_SIMPLE_POINT2OCT			 161
398#define EC_F_EC_GF2M_SIMPLE_POINT_GET_AFFINE_COORDINATES 162
399#define EC_F_EC_GF2M_SIMPLE_POINT_SET_AFFINE_COORDINATES 163
400#define EC_F_EC_GF2M_SIMPLE_SET_COMPRESSED_COORDINATES	 164
401#define EC_F_EC_GFP_MONT_FIELD_DECODE			 133
402#define EC_F_EC_GFP_MONT_FIELD_ENCODE			 134
403#define EC_F_EC_GFP_MONT_FIELD_MUL			 131
404#define EC_F_EC_GFP_MONT_FIELD_SET_TO_ONE		 209
405#define EC_F_EC_GFP_MONT_FIELD_SQR			 132
406#define EC_F_EC_GFP_MONT_GROUP_SET_CURVE		 189
407#define EC_F_EC_GFP_MONT_GROUP_SET_CURVE_GFP		 135
408#define EC_F_EC_GFP_NIST_FIELD_MUL			 200
409#define EC_F_EC_GFP_NIST_FIELD_SQR			 201
410#define EC_F_EC_GFP_NIST_GROUP_SET_CURVE		 202
411#define EC_F_EC_GFP_SIMPLE_GROUP_CHECK_DISCRIMINANT	 165
412#define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE		 166
413#define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE_GFP		 100
414#define EC_F_EC_GFP_SIMPLE_GROUP_SET_GENERATOR		 101
415#define EC_F_EC_GFP_SIMPLE_MAKE_AFFINE			 102
416#define EC_F_EC_GFP_SIMPLE_OCT2POINT			 103
417#define EC_F_EC_GFP_SIMPLE_POINT2OCT			 104
418#define EC_F_EC_GFP_SIMPLE_POINTS_MAKE_AFFINE		 137
419#define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES	 167
420#define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES_GFP 105
421#define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES	 168
422#define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES_GFP 128
423#define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES	 169
424#define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES_GFP 129
425#define EC_F_EC_GROUP_CHECK				 170
426#define EC_F_EC_GROUP_CHECK_DISCRIMINANT		 171
427#define EC_F_EC_GROUP_COPY				 106
428#define EC_F_EC_GROUP_GET0_GENERATOR			 139
429#define EC_F_EC_GROUP_GET_COFACTOR			 140
430#define EC_F_EC_GROUP_GET_CURVE_GF2M			 172
431#define EC_F_EC_GROUP_GET_CURVE_GFP			 130
432#define EC_F_EC_GROUP_GET_DEGREE			 173
433#define EC_F_EC_GROUP_GET_ORDER				 141
434#define EC_F_EC_GROUP_GET_PENTANOMIAL_BASIS		 193
435#define EC_F_EC_GROUP_GET_TRINOMIAL_BASIS		 194
436#define EC_F_EC_GROUP_NEW				 108
437#define EC_F_EC_GROUP_NEW_BY_CURVE_NAME			 174
438#define EC_F_EC_GROUP_NEW_FROM_DATA			 175
439#define EC_F_EC_GROUP_PRECOMPUTE_MULT			 142
440#define EC_F_EC_GROUP_SET_CURVE_GF2M			 176
441#define EC_F_EC_GROUP_SET_CURVE_GFP			 109
442#define EC_F_EC_GROUP_SET_EXTRA_DATA			 110
443#define EC_F_EC_GROUP_SET_GENERATOR			 111
444#define EC_F_EC_KEY_CHECK_KEY				 177
445#define EC_F_EC_KEY_COPY				 178
446#define EC_F_EC_KEY_GENERATE_KEY			 179
447#define EC_F_EC_KEY_NEW					 182
448#define EC_F_EC_KEY_PRINT				 180
449#define EC_F_EC_KEY_PRINT_FP				 181
450#define EC_F_EC_POINTS_MAKE_AFFINE			 136
451#define EC_F_EC_POINTS_MUL				 138
452#define EC_F_EC_POINT_ADD				 112
453#define EC_F_EC_POINT_CMP				 113
454#define EC_F_EC_POINT_COPY				 114
455#define EC_F_EC_POINT_DBL				 115
456#define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GF2M	 183
457#define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GFP	 116
458#define EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP	 117
459#define EC_F_EC_POINT_INVERT				 210
460#define EC_F_EC_POINT_IS_AT_INFINITY			 118
461#define EC_F_EC_POINT_IS_ON_CURVE			 119
462#define EC_F_EC_POINT_MAKE_AFFINE			 120
463#define EC_F_EC_POINT_MUL				 184
464#define EC_F_EC_POINT_NEW				 121
465#define EC_F_EC_POINT_OCT2POINT				 122
466#define EC_F_EC_POINT_POINT2OCT				 123
467#define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GF2M	 185
468#define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP	 124
469#define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M	 186
470#define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP	 125
471#define EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP	 126
472#define EC_F_EC_POINT_SET_TO_INFINITY			 127
473#define EC_F_EC_PRE_COMP_DUP				 207
474#define EC_F_EC_PRE_COMP_NEW				 196
475#define EC_F_EC_WNAF_MUL				 187
476#define EC_F_EC_WNAF_PRECOMPUTE_MULT			 188
477#define EC_F_I2D_ECPARAMETERS				 190
478#define EC_F_I2D_ECPKPARAMETERS				 191
479#define EC_F_I2D_ECPRIVATEKEY				 192
480#define EC_F_I2O_ECPUBLICKEY				 151
481#define EC_F_O2I_ECPUBLICKEY				 152
482
483/* Reason codes. */
484#define EC_R_ASN1_ERROR					 115
485#define EC_R_ASN1_UNKNOWN_FIELD				 116
486#define EC_R_BUFFER_TOO_SMALL				 100
487#define EC_R_D2I_ECPKPARAMETERS_FAILURE			 117
488#define EC_R_DISCRIMINANT_IS_ZERO			 118
489#define EC_R_EC_GROUP_NEW_BY_NAME_FAILURE		 119
490#define EC_R_FIELD_TOO_LARGE				 138
491#define EC_R_GROUP2PKPARAMETERS_FAILURE			 120
492#define EC_R_I2D_ECPKPARAMETERS_FAILURE			 121
493#define EC_R_INCOMPATIBLE_OBJECTS			 101
494#define EC_R_INVALID_ARGUMENT				 112
495#define EC_R_INVALID_COMPRESSED_POINT			 110
496#define EC_R_INVALID_COMPRESSION_BIT			 109
497#define EC_R_INVALID_ENCODING				 102
498#define EC_R_INVALID_FIELD				 103
499#define EC_R_INVALID_FORM				 104
500#define EC_R_INVALID_GROUP_ORDER			 122
501#define EC_R_INVALID_PENTANOMIAL_BASIS			 132
502#define EC_R_INVALID_PRIVATE_KEY			 123
503#define EC_R_INVALID_TRINOMIAL_BASIS			 137
504#define EC_R_MISSING_PARAMETERS				 124
505#define EC_R_MISSING_PRIVATE_KEY			 125
506#define EC_R_NOT_A_NIST_PRIME				 135
507#define EC_R_NOT_A_SUPPORTED_NIST_PRIME			 136
508#define EC_R_NOT_IMPLEMENTED				 126
509#define EC_R_NOT_INITIALIZED				 111
510#define EC_R_NO_FIELD_MOD				 133
511#define EC_R_PASSED_NULL_PARAMETER			 134
512#define EC_R_PKPARAMETERS2GROUP_FAILURE			 127
513#define EC_R_POINT_AT_INFINITY				 106
514#define EC_R_POINT_IS_NOT_ON_CURVE			 107
515#define EC_R_SLOT_FULL					 108
516#define EC_R_UNDEFINED_GENERATOR			 113
517#define EC_R_UNDEFINED_ORDER				 128
518#define EC_R_UNKNOWN_GROUP				 129
519#define EC_R_UNKNOWN_ORDER				 114
520#define EC_R_UNSUPPORTED_FIELD				 131
521#define EC_R_WRONG_ORDER				 130
522
523#ifdef  __cplusplus
524}
525#endif
526#endif
527