source: azure_iot_hub_riscv/trunk/wolfssl-4.4.0/wolfssl/openssl/ec.h@ 453

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1/* ec.h
2 *
3 * Copyright (C) 2006-2020 wolfSSL Inc.
4 *
5 * This file is part of wolfSSL.
6 *
7 * wolfSSL is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * wolfSSL is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
20 */
21
22/* ec.h for openssl */
23
24#ifndef WOLFSSL_EC_H_
25#define WOLFSSL_EC_H_
26
27#include <wolfssl/openssl/bn.h>
28#include <wolfssl/wolfcrypt/ecc.h>
29
30#ifdef __cplusplus
31extern "C" {
32#endif
33
34/* Map OpenSSL NID value */
35enum {
36 POINT_CONVERSION_COMPRESSED = 2,
37 POINT_CONVERSION_UNCOMPRESSED = 4,
38
39#ifdef HAVE_ECC
40 /* Use OpenSSL NIDs. NIDs can be mapped to ecc_curve_id enum values by
41 calling NIDToEccEnum() in ssl.c */
42 NID_X9_62_prime192v1 = 409,
43 NID_X9_62_prime192v2 = 410,
44 NID_X9_62_prime192v3 = 411,
45 NID_X9_62_prime239v1 = 412,
46 NID_X9_62_prime239v2 = 413,
47 NID_X9_62_prime239v3 = 414,
48 NID_X9_62_prime256v1 = 415,
49 NID_secp112r1 = 704,
50 NID_secp112r2 = 705,
51 NID_secp128r1 = 706,
52 NID_secp128r2 = 707,
53 NID_secp160r1 = 709,
54 NID_secp160r2 = 710,
55 NID_secp224r1 = 713,
56 NID_secp384r1 = 715,
57 NID_secp521r1 = 716,
58 NID_secp160k1 = 708,
59 NID_secp192k1 = 711,
60 NID_secp224k1 = 712,
61 NID_secp256k1 = 714,
62 NID_brainpoolP160r1 = 921,
63 NID_brainpoolP192r1 = 923,
64 NID_brainpoolP224r1 = 925,
65 NID_brainpoolP256r1 = 927,
66 NID_brainpoolP320r1 = 929,
67 NID_brainpoolP384r1 = 931,
68 NID_brainpoolP512r1 = 933,
69#endif
70
71 OPENSSL_EC_NAMED_CURVE = 0x001
72};
73
74#ifndef WOLFSSL_EC_TYPE_DEFINED /* guard on redeclaration */
75typedef struct WOLFSSL_EC_KEY WOLFSSL_EC_KEY;
76typedef struct WOLFSSL_EC_POINT WOLFSSL_EC_POINT;
77typedef struct WOLFSSL_EC_GROUP WOLFSSL_EC_GROUP;
78typedef struct WOLFSSL_EC_BUILTIN_CURVE WOLFSSL_EC_BUILTIN_CURVE;
79/* WOLFSSL_EC_METHOD is just an alias of WOLFSSL_EC_GROUP for now */
80typedef struct WOLFSSL_EC_GROUP WOLFSSL_EC_METHOD;
81#define WOLFSSL_EC_TYPE_DEFINED
82#endif
83
84typedef WOLFSSL_EC_KEY EC_KEY;
85typedef WOLFSSL_EC_GROUP EC_GROUP;
86typedef WOLFSSL_EC_GROUP EC_METHOD;
87typedef WOLFSSL_EC_POINT EC_POINT;
88typedef WOLFSSL_EC_BUILTIN_CURVE EC_builtin_curve;
89
90struct WOLFSSL_EC_POINT {
91 WOLFSSL_BIGNUM *X;
92 WOLFSSL_BIGNUM *Y;
93 WOLFSSL_BIGNUM *Z;
94
95 void* internal; /* our ECC point */
96 char inSet; /* internal set from external ? */
97 char exSet; /* external set from internal ? */
98};
99
100struct WOLFSSL_EC_GROUP {
101 int curve_idx; /* index of curve, used by WolfSSL as reference */
102 int curve_nid; /* NID of curve, used by OpenSSL/OpenSSH as reference */
103 int curve_oid; /* OID of curve, used by OpenSSL/OpenSSH as reference */
104};
105
106struct WOLFSSL_EC_KEY {
107 WOLFSSL_EC_GROUP *group;
108 WOLFSSL_EC_POINT *pub_key;
109 WOLFSSL_BIGNUM *priv_key;
110
111 void* internal; /* our ECC Key */
112 char inSet; /* internal set from external ? */
113 char exSet; /* external set from internal ? */
114 char form; /* Either POINT_CONVERSION_UNCOMPRESSED or
115 * POINT_CONVERSION_COMPRESSED */
116};
117
118struct WOLFSSL_EC_BUILTIN_CURVE {
119 int nid;
120 const char *comment;
121};
122
123#define WOLFSSL_EC_KEY_LOAD_PRIVATE 1
124#define WOLFSSL_EC_KEY_LOAD_PUBLIC 2
125
126WOLFSSL_API
127size_t wolfSSL_EC_get_builtin_curves(WOLFSSL_EC_BUILTIN_CURVE *r,size_t nitems);
128
129WOLFSSL_API
130WOLFSSL_EC_KEY *wolfSSL_EC_KEY_dup(const WOLFSSL_EC_KEY *src);
131
132WOLFSSL_API
133int wolfSSL_ECPoint_i2d(const WOLFSSL_EC_GROUP *curve,
134 const WOLFSSL_EC_POINT *p,
135 unsigned char *out, unsigned int *len);
136WOLFSSL_API
137int wolfSSL_ECPoint_d2i(unsigned char *in, unsigned int len,
138 const WOLFSSL_EC_GROUP *curve, WOLFSSL_EC_POINT *p);
139WOLFSSL_API
140size_t wolfSSL_EC_POINT_point2oct(const WOLFSSL_EC_GROUP *group,
141 const WOLFSSL_EC_POINT *p,
142 char form,
143 byte *buf, size_t len, WOLFSSL_BN_CTX *ctx);
144WOLFSSL_API
145int wolfSSL_EC_POINT_oct2point(const WOLFSSL_EC_GROUP *group,
146 WOLFSSL_EC_POINT *p, const unsigned char *buf,
147 size_t len, WOLFSSL_BN_CTX *ctx);
148WOLFSSL_API
149int wolfSSL_i2o_ECPublicKey(const WOLFSSL_EC_KEY *in, unsigned char **out);
150WOLFSSL_API
151void wolfSSL_EC_KEY_set_conv_form(WOLFSSL_EC_KEY *eckey, char form);
152WOLFSSL_API
153WOLFSSL_BIGNUM *wolfSSL_EC_POINT_point2bn(const WOLFSSL_EC_GROUP *group,
154 const WOLFSSL_EC_POINT *p,
155 char form,
156 WOLFSSL_BIGNUM *in, WOLFSSL_BN_CTX *ctx);
157
158WOLFSSL_API
159int wolfSSL_EC_KEY_LoadDer(WOLFSSL_EC_KEY* key,
160 const unsigned char* der, int derSz);
161WOLFSSL_API
162int wolfSSL_EC_KEY_LoadDer_ex(WOLFSSL_EC_KEY* key,
163 const unsigned char* der, int derSz, int opt);
164WOLFSSL_API
165void wolfSSL_EC_KEY_free(WOLFSSL_EC_KEY *key);
166WOLFSSL_API
167WOLFSSL_EC_POINT *wolfSSL_EC_KEY_get0_public_key(const WOLFSSL_EC_KEY *key);
168WOLFSSL_API
169const WOLFSSL_EC_GROUP *wolfSSL_EC_KEY_get0_group(const WOLFSSL_EC_KEY *key);
170WOLFSSL_API
171int wolfSSL_EC_KEY_set_private_key(WOLFSSL_EC_KEY *key,
172 const WOLFSSL_BIGNUM *priv_key);
173WOLFSSL_API
174WOLFSSL_BIGNUM *wolfSSL_EC_KEY_get0_private_key(const WOLFSSL_EC_KEY *key);
175WOLFSSL_API
176WOLFSSL_EC_KEY *wolfSSL_EC_KEY_new_by_curve_name(int nid);
177WOLFSSL_API const char* wolfSSL_EC_curve_nid2nist(int nid);
178WOLFSSL_API
179WOLFSSL_EC_KEY *wolfSSL_EC_KEY_new(void);
180WOLFSSL_API
181int wolfSSL_EC_KEY_set_group(WOLFSSL_EC_KEY *key, WOLFSSL_EC_GROUP *group);
182WOLFSSL_API
183int wolfSSL_EC_KEY_generate_key(WOLFSSL_EC_KEY *key);
184WOLFSSL_API
185void wolfSSL_EC_KEY_set_asn1_flag(WOLFSSL_EC_KEY *key, int asn1_flag);
186WOLFSSL_API
187int wolfSSL_EC_KEY_set_public_key(WOLFSSL_EC_KEY *key,
188 const WOLFSSL_EC_POINT *pub);
189WOLFSSL_API int wolfSSL_ECDSA_size(const WOLFSSL_EC_KEY *key);
190WOLFSSL_API int wolfSSL_ECDSA_sign(int type, const unsigned char *digest,
191 int digestSz, unsigned char *sig,
192 unsigned int *sigSz, WOLFSSL_EC_KEY *key);
193WOLFSSL_API
194void wolfSSL_EC_GROUP_set_asn1_flag(WOLFSSL_EC_GROUP *group, int flag);
195WOLFSSL_API
196WOLFSSL_EC_GROUP *wolfSSL_EC_GROUP_new_by_curve_name(int nid);
197WOLFSSL_API
198int wolfSSL_EC_GROUP_cmp(const WOLFSSL_EC_GROUP *a, const WOLFSSL_EC_GROUP *b,
199 WOLFSSL_BN_CTX *ctx);
200WOLFSSL_API
201int wolfSSL_EC_GROUP_get_curve_name(const WOLFSSL_EC_GROUP *group);
202WOLFSSL_API
203int wolfSSL_EC_GROUP_get_degree(const WOLFSSL_EC_GROUP *group);
204WOLFSSL_API
205int wolfSSL_EC_GROUP_get_order(const WOLFSSL_EC_GROUP *group,
206 WOLFSSL_BIGNUM *order, WOLFSSL_BN_CTX *ctx);
207WOLFSSL_API
208int wolfSSL_EC_GROUP_order_bits(const WOLFSSL_EC_GROUP *group);
209WOLFSSL_API
210void wolfSSL_EC_GROUP_free(WOLFSSL_EC_GROUP *group);
211WOLFSSL_API
212const WOLFSSL_EC_METHOD* wolfSSL_EC_GROUP_method_of(
213 const WOLFSSL_EC_GROUP *group);
214WOLFSSL_API
215int wolfSSL_EC_METHOD_get_field_type(const WOLFSSL_EC_METHOD *meth);
216WOLFSSL_API
217WOLFSSL_EC_POINT *wolfSSL_EC_POINT_new(const WOLFSSL_EC_GROUP *group);
218WOLFSSL_API
219int wolfSSL_EC_POINT_get_affine_coordinates_GFp(const WOLFSSL_EC_GROUP *group,
220 const WOLFSSL_EC_POINT *p,
221 WOLFSSL_BIGNUM *x,
222 WOLFSSL_BIGNUM *y,
223 WOLFSSL_BN_CTX *ctx);
224WOLFSSL_API
225int wolfSSL_EC_POINT_set_affine_coordinates_GFp(const WOLFSSL_EC_GROUP *group,
226 WOLFSSL_EC_POINT *point,
227 const WOLFSSL_BIGNUM *x,
228 const WOLFSSL_BIGNUM *y,
229 WOLFSSL_BN_CTX *ctx);
230WOLFSSL_API
231int wolfSSL_EC_POINT_mul(const WOLFSSL_EC_GROUP *group, WOLFSSL_EC_POINT *r,
232 const WOLFSSL_BIGNUM *n,
233 const WOLFSSL_EC_POINT *q, const WOLFSSL_BIGNUM *m,
234 WOLFSSL_BN_CTX *ctx);
235WOLFSSL_API
236void wolfSSL_EC_POINT_clear_free(WOLFSSL_EC_POINT *point);
237WOLFSSL_API
238int wolfSSL_EC_POINT_cmp(const WOLFSSL_EC_GROUP *group,
239 const WOLFSSL_EC_POINT *a, const WOLFSSL_EC_POINT *b,
240 WOLFSSL_BN_CTX *ctx);
241WOLFSSL_API int wolfSSL_EC_POINT_copy(WOLFSSL_EC_POINT *dest,
242 const WOLFSSL_EC_POINT *src);
243WOLFSSL_API
244void wolfSSL_EC_POINT_free(WOLFSSL_EC_POINT *point);
245WOLFSSL_API
246int wolfSSL_EC_POINT_is_at_infinity(const WOLFSSL_EC_GROUP *group,
247 const WOLFSSL_EC_POINT *a);
248
249#ifndef HAVE_SELFTEST
250WOLFSSL_API
251char* wolfSSL_EC_POINT_point2hex(const WOLFSSL_EC_GROUP* group,
252 const WOLFSSL_EC_POINT* point, int form,
253 WOLFSSL_BN_CTX* ctx);
254#endif
255
256#ifndef HAVE_ECC
257#define OPENSSL_NO_EC
258#endif
259
260#define EC_KEY_new wolfSSL_EC_KEY_new
261#define EC_KEY_free wolfSSL_EC_KEY_free
262#define EC_KEY_dup wolfSSL_EC_KEY_dup
263#define EC_KEY_get0_public_key wolfSSL_EC_KEY_get0_public_key
264#define EC_KEY_get0_group wolfSSL_EC_KEY_get0_group
265#define EC_KEY_set_private_key wolfSSL_EC_KEY_set_private_key
266#define EC_KEY_get0_private_key wolfSSL_EC_KEY_get0_private_key
267#define EC_KEY_new_by_curve_name wolfSSL_EC_KEY_new_by_curve_name
268#define EC_KEY_set_group wolfSSL_EC_KEY_set_group
269#define EC_KEY_generate_key wolfSSL_EC_KEY_generate_key
270#define EC_KEY_set_asn1_flag wolfSSL_EC_KEY_set_asn1_flag
271#define EC_KEY_set_public_key wolfSSL_EC_KEY_set_public_key
272
273#define ECDSA_size wolfSSL_ECDSA_size
274#define ECDSA_sign wolfSSL_ECDSA_sign
275
276#define EC_GROUP_free wolfSSL_EC_GROUP_free
277#define EC_GROUP_set_asn1_flag wolfSSL_EC_GROUP_set_asn1_flag
278#define EC_GROUP_new_by_curve_name wolfSSL_EC_GROUP_new_by_curve_name
279#define EC_GROUP_cmp wolfSSL_EC_GROUP_cmp
280#define EC_GROUP_get_curve_name wolfSSL_EC_GROUP_get_curve_name
281#define EC_GROUP_get_degree wolfSSL_EC_GROUP_get_degree
282#define EC_GROUP_get_order wolfSSL_EC_GROUP_get_order
283#define EC_GROUP_order_bits wolfSSL_EC_GROUP_order_bits
284#define EC_GROUP_method_of wolfSSL_EC_GROUP_method_of
285
286#define EC_METHOD_get_field_type wolfSSL_EC_METHOD_get_field_type
287
288#define EC_POINT_new wolfSSL_EC_POINT_new
289#define EC_POINT_free wolfSSL_EC_POINT_free
290#define EC_POINT_get_affine_coordinates_GFp \
291 wolfSSL_EC_POINT_get_affine_coordinates_GFp
292#define EC_POINT_set_affine_coordinates_GFp \
293 wolfSSL_EC_POINT_set_affine_coordinates_GFp
294#define EC_POINT_mul wolfSSL_EC_POINT_mul
295#define EC_POINT_clear_free wolfSSL_EC_POINT_clear_free
296#define EC_POINT_cmp wolfSSL_EC_POINT_cmp
297#define EC_POINT_copy wolfSSL_EC_POINT_copy
298#define EC_POINT_is_at_infinity wolfSSL_EC_POINT_is_at_infinity
299
300#define EC_get_builtin_curves wolfSSL_EC_get_builtin_curves
301
302#define ECPoint_i2d wolfSSL_ECPoint_i2d
303#define ECPoint_d2i wolfSSL_ECPoint_d2i
304#define EC_POINT_point2oct wolfSSL_EC_POINT_point2oct
305#define EC_POINT_oct2point wolfSSL_EC_POINT_oct2point
306#define EC_POINT_point2bn wolfSSL_EC_POINT_point2bn
307#define i2o_ECPublicKey wolfSSL_i2o_ECPublicKey
308#define EC_KEY_set_conv_form wolfSSL_EC_KEY_set_conv_form
309
310#ifndef HAVE_SELFTEST
311 #define EC_POINT_point2hex wolfSSL_EC_POINT_point2hex
312#endif
313
314#define EC_POINT_dump wolfSSL_EC_POINT_dump
315#define EC_get_builtin_curves wolfSSL_EC_get_builtin_curves
316
317#define EC_curve_nid2nist wolfSSL_EC_curve_nid2nist
318
319#ifdef __cplusplus
320} /* extern "C" */
321#endif
322
323#endif /* header */
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