1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
|
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import absolute_import, division, print_function
INCLUDES = """
#ifndef OPENSSL_NO_EC
#include <openssl/ec.h>
#endif
#include <openssl/obj_mac.h>
"""
TYPES = """
static const int Cryptography_HAS_EC;
static const int Cryptography_HAS_EC_1_0_1;
static const int Cryptography_HAS_EC2M;
static const int Cryptography_HAS_EC_1_0_2;
static const int OPENSSL_EC_NAMED_CURVE;
typedef ... EC_KEY;
typedef ... EC_GROUP;
typedef ... EC_POINT;
typedef ... EC_METHOD;
typedef struct {
int nid;
const char *comment;
} EC_builtin_curve;
typedef enum {
POINT_CONVERSION_COMPRESSED,
POINT_CONVERSION_UNCOMPRESSED,
POINT_CONVERSION_HYBRID,
...
} point_conversion_form_t;
"""
FUNCTIONS = """
"""
MACROS = """
EC_GROUP *EC_GROUP_new(const EC_METHOD *);
void EC_GROUP_free(EC_GROUP *);
void EC_GROUP_clear_free(EC_GROUP *);
EC_GROUP *EC_GROUP_new_curve_GFp(
const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);
EC_GROUP *EC_GROUP_new_curve_GF2m(
const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);
EC_GROUP *EC_GROUP_new_by_curve_name(int);
int EC_GROUP_set_curve_GFp(
EC_GROUP *, const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);
int EC_GROUP_get_curve_GFp(
const EC_GROUP *, BIGNUM *, BIGNUM *, BIGNUM *, BN_CTX *);
int EC_GROUP_set_curve_GF2m(
EC_GROUP *, const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);
int EC_GROUP_get_curve_GF2m(
const EC_GROUP *, BIGNUM *, BIGNUM *, BIGNUM *, BN_CTX *);
int EC_GROUP_get_degree(const EC_GROUP *);
void EC_GROUP_set_asn1_flag(EC_GROUP *, int);
void EC_GROUP_set_point_conversion_form(EC_GROUP *, point_conversion_form_t);
const EC_METHOD *EC_GROUP_method_of(const EC_GROUP *);
const EC_POINT *EC_GROUP_get0_generator(const EC_GROUP *);
int EC_GROUP_get_curve_name(const EC_GROUP *);
size_t EC_get_builtin_curves(EC_builtin_curve *, size_t);
EC_KEY *EC_KEY_new(void);
void EC_KEY_free(EC_KEY *);
int EC_KEY_get_flags(const EC_KEY *);
void EC_KEY_set_flags(EC_KEY *, int);
void EC_KEY_clear_flags(EC_KEY *, int);
EC_KEY *EC_KEY_new_by_curve_name(int);
EC_KEY *EC_KEY_copy(EC_KEY *, EC_KEY *);
EC_KEY *EC_KEY_dup(EC_KEY *);
int EC_KEY_up_ref(EC_KEY *);
const EC_GROUP *EC_KEY_get0_group(const EC_KEY *);
int EC_GROUP_get_order(const EC_GROUP *, BIGNUM *, BN_CTX *);
int EC_KEY_set_group(EC_KEY *, const EC_GROUP *);
const BIGNUM *EC_KEY_get0_private_key(const EC_KEY *);
int EC_KEY_set_private_key(EC_KEY *, const BIGNUM *);
const EC_POINT *EC_KEY_get0_public_key(const EC_KEY *);
int EC_KEY_set_public_key(EC_KEY *, const EC_POINT *);
unsigned int EC_KEY_get_enc_flags(const EC_KEY *);
void EC_KEY_set_enc_flags(EC_KEY *eckey, unsigned int);
point_conversion_form_t EC_KEY_get_conv_form(const EC_KEY *);
void EC_KEY_set_conv_form(EC_KEY *, point_conversion_form_t);
void *EC_KEY_get_key_method_data(
EC_KEY *,
void *(*)(void *),
void (*)(void *),
void (*)(void *)
);
void EC_KEY_insert_key_method_data(
EC_KEY *,
void *,
void *(*)(void *),
void (*)(void *),
void (*)(void *)
);
void EC_KEY_set_asn1_flag(EC_KEY *, int);
int EC_KEY_precompute_mult(EC_KEY *, BN_CTX *);
int EC_KEY_generate_key(EC_KEY *);
int EC_KEY_check_key(const EC_KEY *);
int EC_KEY_set_public_key_affine_coordinates(EC_KEY *, BIGNUM *, BIGNUM *);
EC_POINT *EC_POINT_new(const EC_GROUP *);
void EC_POINT_free(EC_POINT *);
void EC_POINT_clear_free(EC_POINT *);
int EC_POINT_copy(EC_POINT *, const EC_POINT *);
EC_POINT *EC_POINT_dup(const EC_POINT *, const EC_GROUP *);
const EC_METHOD *EC_POINT_method_of(const EC_POINT *);
int EC_POINT_set_to_infinity(const EC_GROUP *, EC_POINT *);
int EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *, EC_POINT *,
const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);
int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *,
const EC_POINT *, BIGNUM *, BIGNUM *, BIGNUM *, BN_CTX *);
int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *, EC_POINT *,
const BIGNUM *, const BIGNUM *, BN_CTX *);
int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *,
const EC_POINT *, BIGNUM *, BIGNUM *, BN_CTX *);
int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *, EC_POINT *,
const BIGNUM *, int, BN_CTX *);
int EC_POINT_set_affine_coordinates_GF2m(const EC_GROUP *, EC_POINT *,
const BIGNUM *, const BIGNUM *, BN_CTX *);
int EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *,
const EC_POINT *, BIGNUM *, BIGNUM *, BN_CTX *);
int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *, EC_POINT *,
const BIGNUM *, int, BN_CTX *);
size_t EC_POINT_point2oct(const EC_GROUP *, const EC_POINT *,
point_conversion_form_t,
unsigned char *, size_t, BN_CTX *);
int EC_POINT_oct2point(const EC_GROUP *, EC_POINT *,
const unsigned char *, size_t, BN_CTX *);
BIGNUM *EC_POINT_point2bn(const EC_GROUP *, const EC_POINT *,
point_conversion_form_t form, BIGNUM *, BN_CTX *);
EC_POINT *EC_POINT_bn2point(const EC_GROUP *, const BIGNUM *,
EC_POINT *, BN_CTX *);
char *EC_POINT_point2hex(const EC_GROUP *, const EC_POINT *,
point_conversion_form_t form, BN_CTX *);
EC_POINT *EC_POINT_hex2point(const EC_GROUP *, const char *,
EC_POINT *, BN_CTX *);
int EC_POINT_add(const EC_GROUP *, EC_POINT *, const EC_POINT *,
const EC_POINT *, BN_CTX *);
int EC_POINT_dbl(const EC_GROUP *, EC_POINT *, const EC_POINT *, BN_CTX *);
int EC_POINT_invert(const EC_GROUP *, EC_POINT *, BN_CTX *);
int EC_POINT_is_at_infinity(const EC_GROUP *, const EC_POINT *);
int EC_POINT_is_on_curve(const EC_GROUP *, const EC_POINT *, BN_CTX *);
int EC_POINT_cmp(
const EC_GROUP *, const EC_POINT *, const EC_POINT *, BN_CTX *);
int EC_POINT_make_affine(const EC_GROUP *, EC_POINT *, BN_CTX *);
int EC_POINTs_make_affine(const EC_GROUP *, size_t, EC_POINT *[], BN_CTX *);
int EC_POINTs_mul(
const EC_GROUP *, EC_POINT *, const BIGNUM *,
size_t, const EC_POINT *[], const BIGNUM *[], BN_CTX *);
int EC_POINT_mul(const EC_GROUP *, EC_POINT *, const BIGNUM *,
const EC_POINT *, const BIGNUM *, BN_CTX *);
int EC_GROUP_precompute_mult(EC_GROUP *, BN_CTX *);
int EC_GROUP_have_precompute_mult(const EC_GROUP *);
const EC_METHOD *EC_GFp_simple_method();
const EC_METHOD *EC_GFp_mont_method();
const EC_METHOD *EC_GFp_nist_method();
const EC_METHOD *EC_GF2m_simple_method();
int EC_METHOD_get_field_type(const EC_METHOD *);
const char *EC_curve_nid2nist(int);
"""
CUSTOMIZATIONS = """
#ifdef OPENSSL_NO_EC
static const long Cryptography_HAS_EC = 0;
typedef void EC_KEY;
typedef void EC_GROUP;
typedef void EC_POINT;
typedef void EC_METHOD;
typedef struct {
int nid;
const char *comment;
} EC_builtin_curve;
typedef enum {
POINT_CONVERSION_COMPRESSED,
POINT_CONVERSION_UNCOMPRESSED,
POINT_CONVERSION_HYBRID,
} point_conversion_form_t;
static const int OPENSSL_EC_NAMED_CURVE = 0;
void (*EC_KEY_free)(EC_KEY *) = NULL;
EC_KEY *(*EC_KEY_new)(void) = NULL;
size_t (*EC_get_builtin_curves)(EC_builtin_curve *, size_t) = NULL;
EC_KEY *(*EC_KEY_new_by_curve_name)(int) = NULL;
EC_KEY *(*EC_KEY_copy)(EC_KEY *, const EC_KEY *) = NULL;
EC_KEY *(*EC_KEY_dup)(const EC_KEY *) = NULL;
int (*EC_KEY_up_ref)(EC_KEY *) = NULL;
const EC_GROUP *(*EC_KEY_get0_group)(const EC_KEY *) = NULL;
int (*EC_GROUP_get_order)(const EC_GROUP *, BIGNUM *, BN_CTX *) = NULL;
int (*EC_KEY_set_group)(EC_KEY *, const EC_GROUP *) = NULL;
void (*EC_GROUP_set_asn1_flag)(EC_GROUP *, int) = NULL;
void (*EC_GROUP_set_point_conversion_form)(EC_GROUP *,
point_conversion_form_t) = NULL;
const BIGNUM *(*EC_KEY_get0_private_key)(const EC_KEY *) = NULL;
int (*EC_KEY_set_private_key)(EC_KEY *, const BIGNUM *) = NULL;
const EC_POINT *(*EC_KEY_get0_public_key)(const EC_KEY *) = NULL;
int (*EC_KEY_set_public_key)(EC_KEY *, const EC_POINT *) = NULL;
unsigned int (*EC_KEY_get_enc_flags)(const EC_KEY *) = NULL;
void (*EC_KEY_set_enc_flags)(EC_KEY *eckey, unsigned int) = NULL;
point_conversion_form_t (*EC_KEY_get_conv_form)(const EC_KEY *) = NULL;
void (*EC_KEY_set_conv_form)(EC_KEY *, point_conversion_form_t) = NULL;
void *(*EC_KEY_get_key_method_data)(
EC_KEY *, void *(*)(void *), void (*)(void *), void (*)(void *)) = NULL;
void (*EC_KEY_insert_key_method_data)(
EC_KEY *, void *,
void *(*)(void *), void (*)(void *), void (*)(void *)) = NULL;
void (*EC_KEY_set_asn1_flag)(EC_KEY *, int) = NULL;
int (*EC_KEY_precompute_mult)(EC_KEY *, BN_CTX *) = NULL;
int (*EC_KEY_generate_key)(EC_KEY *) = NULL;
int (*EC_KEY_check_key)(const EC_KEY *) = NULL;
EC_GROUP *(*EC_GROUP_new)(const EC_METHOD *);
void (*EC_GROUP_free)(EC_GROUP *);
void (*EC_GROUP_clear_free)(EC_GROUP *);
EC_GROUP *(*EC_GROUP_new_curve_GFp)(
const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);
EC_GROUP *(*EC_GROUP_new_by_curve_name)(int);
int (*EC_GROUP_set_curve_GFp)(
EC_GROUP *, const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);
int (*EC_GROUP_get_curve_GFp)(
const EC_GROUP *, BIGNUM *, BIGNUM *, BIGNUM *, BN_CTX *);
int (*EC_GROUP_get_degree)(const EC_GROUP *) = NULL;
const EC_METHOD *(*EC_GROUP_method_of)(const EC_GROUP *) = NULL;
const EC_POINT *(*EC_GROUP_get0_generator)(const EC_GROUP *) = NULL;
int (*EC_GROUP_get_curve_name)(const EC_GROUP *) = NULL;
EC_POINT *(*EC_POINT_new)(const EC_GROUP *) = NULL;
void (*EC_POINT_free)(EC_POINT *) = NULL;
void (*EC_POINT_clear_free)(EC_POINT *) = NULL;
int (*EC_POINT_copy)(EC_POINT *, const EC_POINT *) = NULL;
EC_POINT *(*EC_POINT_dup)(const EC_POINT *, const EC_GROUP *) = NULL;
const EC_METHOD *(*EC_POINT_method_of)(const EC_POINT *) = NULL;
int (*EC_POINT_set_to_infinity)(const EC_GROUP *, EC_POINT *) = NULL;
int (*EC_POINT_set_Jprojective_coordinates_GFp)(const EC_GROUP *, EC_POINT *,
const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *) = NULL;
int (*EC_POINT_get_Jprojective_coordinates_GFp)(const EC_GROUP *,
const EC_POINT *, BIGNUM *, BIGNUM *, BIGNUM *, BN_CTX *) = NULL;
int (*EC_POINT_set_affine_coordinates_GFp)(const EC_GROUP *, EC_POINT *,
const BIGNUM *, const BIGNUM *, BN_CTX *) = NULL;
int (*EC_POINT_get_affine_coordinates_GFp)(const EC_GROUP *,
const EC_POINT *, BIGNUM *, BIGNUM *, BN_CTX *) = NULL;
int (*EC_POINT_set_compressed_coordinates_GFp)(const EC_GROUP *, EC_POINT *,
const BIGNUM *, int, BN_CTX *) = NULL;
size_t (*EC_POINT_point2oct)(const EC_GROUP *, const EC_POINT *,
point_conversion_form_t,
unsigned char *, size_t, BN_CTX *) = NULL;
int (*EC_POINT_oct2point)(const EC_GROUP *, EC_POINT *,
const unsigned char *, size_t, BN_CTX *) = NULL;
BIGNUM *(*EC_POINT_point2bn)(const EC_GROUP *, const EC_POINT *,
point_conversion_form_t form, BIGNUM *, BN_CTX *) = NULL;
EC_POINT *(*EC_POINT_bn2point)(const EC_GROUP *, const BIGNUM *,
EC_POINT *, BN_CTX *) = NULL;
char *(*EC_POINT_point2hex)(const EC_GROUP *, const EC_POINT *,
point_conversion_form_t form, BN_CTX *) = NULL;
EC_POINT *(*EC_POINT_hex2point)(const EC_GROUP *, const char *,
EC_POINT *, BN_CTX *) = NULL;
int (*EC_POINT_add)(const EC_GROUP *, EC_POINT *, const EC_POINT *,
const EC_POINT *, BN_CTX *) = NULL;
int (*EC_POINT_dbl)(const EC_GROUP *, EC_POINT *, const EC_POINT *,
BN_CTX *) = NULL;
int (*EC_POINT_invert)(const EC_GROUP *, EC_POINT *, BN_CTX *) = NULL;
int (*EC_POINT_is_at_infinity)(const EC_GROUP *, const EC_POINT *) = NULL;
int (*EC_POINT_is_on_curve)(const EC_GROUP *, const EC_POINT *,
BN_CTX *) = NULL;
int (*EC_POINT_cmp)(
const EC_GROUP *, const EC_POINT *, const EC_POINT *, BN_CTX *) = NULL;
int (*EC_POINT_make_affine)(const EC_GROUP *, EC_POINT *, BN_CTX *) = NULL;
int (*EC_POINTs_make_affine)(const EC_GROUP *, size_t, EC_POINT *[],
BN_CTX *) = NULL;
int (*EC_POINTs_mul)(
const EC_GROUP *, EC_POINT *, const BIGNUM *,
size_t, const EC_POINT *[], const BIGNUM *[], BN_CTX *) = NULL;
int (*EC_POINT_mul)(const EC_GROUP *, EC_POINT *, const BIGNUM *,
const EC_POINT *, const BIGNUM *, BN_CTX *) = NULL;
int (*EC_GROUP_precompute_mult)(EC_GROUP *, BN_CTX *) = NULL;
int (*EC_GROUP_have_precompute_mult)(const EC_GROUP *) = NULL;
const EC_METHOD *(*EC_GFp_simple_method)() = NULL;
const EC_METHOD *(*EC_GFp_mont_method)() = NULL;
const EC_METHOD *(*EC_GFp_nist_method)() = NULL;
int (*EC_METHOD_get_field_type)(const EC_METHOD *) = NULL;
#else
static const long Cryptography_HAS_EC = 1;
#endif
#if defined(OPENSSL_NO_EC) || OPENSSL_VERSION_NUMBER < 0x1000100f
static const long Cryptography_HAS_EC_1_0_1 = 0;
int (*EC_KEY_get_flags)(const EC_KEY *) = NULL;
void (*EC_KEY_set_flags)(EC_KEY *, int) = NULL;
void (*EC_KEY_clear_flags)(EC_KEY *, int) = NULL;
int (*EC_KEY_set_public_key_affine_coordinates)(
EC_KEY *, BIGNUM *, BIGNUM *) = NULL;
#else
static const long Cryptography_HAS_EC_1_0_1 = 1;
#endif
#if defined(OPENSSL_NO_EC) || defined(OPENSSL_NO_EC2M)
static const long Cryptography_HAS_EC2M = 0;
const EC_METHOD *(*EC_GF2m_simple_method)() = NULL;
int (*EC_POINT_set_affine_coordinates_GF2m)(const EC_GROUP *, EC_POINT *,
const BIGNUM *, const BIGNUM *, BN_CTX *) = NULL;
int (*EC_POINT_get_affine_coordinates_GF2m)(const EC_GROUP *,
const EC_POINT *, BIGNUM *, BIGNUM *, BN_CTX *) = NULL;
int (*EC_POINT_set_compressed_coordinates_GF2m)(const EC_GROUP *, EC_POINT *,
const BIGNUM *, int, BN_CTX *) = NULL;
int (*EC_GROUP_set_curve_GF2m)(
EC_GROUP *, const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);
int (*EC_GROUP_get_curve_GF2m)(
const EC_GROUP *, BIGNUM *, BIGNUM *, BIGNUM *, BN_CTX *);
EC_GROUP *(*EC_GROUP_new_curve_GF2m)(
const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);
#else
static const long Cryptography_HAS_EC2M = 1;
#endif
#if defined(OPENSSL_NO_EC) || OPENSSL_VERSION_NUMBER < 0x1000200f || \
defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20020002L
static const long Cryptography_HAS_EC_1_0_2 = 0;
const char *(*EC_curve_nid2nist)(int) = NULL;
#else
static const long Cryptography_HAS_EC_1_0_2 = 1;
#endif
"""
|