libwebsockets
Lightweight C library for HTML5 websockets
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lws-genec.h
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1/*
2 * libwebsockets - small server side websockets and web server implementation
3 *
4 * Copyright (C) 2010 - 2019 Andy Green <andy@warmcat.com>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 * IN THE SOFTWARE.
23 */
24
31
33#if defined(LWS_WITH_MBEDTLS)
34 union {
35 mbedtls_ecdh_context *ctx_ecdh;
36 mbedtls_ecdsa_context *ctx_ecdsa;
37 } u;
38#else
39 EVP_PKEY_CTX *ctx[2];
40#endif
41 struct lws_context *context;
44
46};
47
48#if defined(LWS_WITH_MBEDTLS)
50 LDHS_OURS = MBEDTLS_ECDH_OURS,
51 LDHS_THEIRS = MBEDTLS_ECDH_THEIRS
52};
53#else
58#endif
59
61 const char *name;
64};
65
66
67/* ECDH-specific apis */
68
80lws_genecdh_create(struct lws_genec_ctx *ctx, struct lws_context *context,
81 const struct lws_ec_curves *curve_table);
82
93 enum enum_lws_dh_side side);
94
106 const char *curve_name, struct lws_gencrypto_keyelem *el);
107
110 int *ss_len);
111
112
113/* ECDSA-specific apis */
114
125LWS_VISIBLE int
126lws_genecdsa_create(struct lws_genec_ctx *ctx, struct lws_context *context,
127 const struct lws_ec_curves *curve_table);
128
138lws_genecdsa_new_keypair(struct lws_genec_ctx *ctx, const char *curve_name,
139 struct lws_gencrypto_keyelem *el);
140
150 const struct lws_gencrypto_keyelem *el);
151
175 enum lws_genhash_types hash_type, int keybits,
176 const uint8_t *sig, size_t sig_len);
177
198 enum lws_genhash_types hash_type, int keybits,
199 uint8_t *sig, size_t sig_len);
200
201
202/* Apis that apply to both ECDH and ECDSA */
203
206
209
lws_genhash_types
Definition lws-genhash.h:41
unsigned short uint16_t
#define LWS_EXTERN
unsigned char uint8_t
#define LWS_VISIBLE
const struct lws_ec_curves * curve_table
Definition lws-genec.h:42
LWS_VISIBLE int lws_genecdsa_create(struct lws_genec_ctx *ctx, struct lws_context *context, const struct lws_ec_curves *curve_table)
LWS_VISIBLE LWS_EXTERN int lws_genecdh_new_keypair(struct lws_genec_ctx *ctx, enum enum_lws_dh_side side, const char *curve_name, struct lws_gencrypto_keyelem *el)
LWS_VISIBLE LWS_EXTERN int lws_genecdsa_new_keypair(struct lws_genec_ctx *ctx, const char *curve_name, struct lws_gencrypto_keyelem *el)
LWS_VISIBLE LWS_EXTERN int lws_genecdh_set_key(struct lws_genec_ctx *ctx, struct lws_gencrypto_keyelem *el, enum enum_lws_dh_side side)
enum_genec_alg
Definition lws-genec.h:25
@ LEGENEC_ECDH
Definition lws-genec.h:28
@ LEGENEC_ECDSA
Definition lws-genec.h:29
@ LEGENEC_UNKNOWN
Definition lws-genec.h:26
LWS_VISIBLE LWS_EXTERN int lws_genecdsa_set_key(struct lws_genec_ctx *ctx, const struct lws_gencrypto_keyelem *el)
LWS_VISIBLE LWS_EXTERN int lws_genec_dump(struct lws_gencrypto_keyelem *el)
LWS_VISIBLE LWS_EXTERN void lws_genec_destroy_elements(struct lws_gencrypto_keyelem *el)
LWS_VISIBLE LWS_EXTERN int lws_genecdh_compute_shared_secret(struct lws_genec_ctx *ctx, uint8_t *ss, int *ss_len)
LWS_VISIBLE LWS_EXTERN int lws_genecdsa_hash_sign_jws(struct lws_genec_ctx *ctx, const uint8_t *in, enum lws_genhash_types hash_type, int keybits, uint8_t *sig, size_t sig_len)
LWS_VISIBLE LWS_EXTERN int lws_genecdsa_hash_sig_verify_jws(struct lws_genec_ctx *ctx, const uint8_t *in, enum lws_genhash_types hash_type, int keybits, const uint8_t *sig, size_t sig_len)
enum_lws_dh_side
Definition lws-genec.h:54
@ LDHS_OURS
Definition lws-genec.h:55
@ LDHS_THEIRS
Definition lws-genec.h:56
enum enum_genec_alg genec_alg
Definition lws-genec.h:43
const char * name
Definition lws-genec.h:61
EVP_PKEY_CTX * ctx[2]
Definition lws-genec.h:39
uint16_t key_bytes
Definition lws-genec.h:63
LWS_VISIBLE int lws_genecdh_create(struct lws_genec_ctx *ctx, struct lws_context *context, const struct lws_ec_curves *curve_table)
struct lws_context * context
Definition lws-genec.h:41
LWS_VISIBLE LWS_EXTERN void lws_genec_destroy(struct lws_genec_ctx *ctx)
char has_private
Definition lws-genec.h:45