libwebsockets
Lightweight C library for HTML5 websockets
lws-jwk.h
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
38
39enum enum_jwk_meta_tok {
40 JWK_META_KTY,
41 JWK_META_KID,
42 JWK_META_USE,
43 JWK_META_KEY_OPS,
44 JWK_META_X5C,
45 JWK_META_ALG,
46
47 LWS_COUNT_JWK_ELEMENTS
48};
49
50struct lws_jwk {
51 /* key data elements */
52 struct lws_gencrypto_keyelem e[LWS_GENCRYPTO_MAX_KEYEL_COUNT];
53 /* generic meta key elements, like KID */
54 struct lws_gencrypto_keyelem meta[LWS_COUNT_JWK_ELEMENTS];
55 int kty;
56 char private_key; /* nonzero = has private key elements */
57};
58
59typedef int (*lws_jwk_key_import_callback)(struct lws_jwk *s, void *user);
60
62 struct lws_jwk *jwk;
63 char b64[(((8192 / 8) * 4) / 3) + 1]; /* enough for 8Kb key */
64 lws_jwk_key_import_callback per_key_cb;
65 void *user;
66 int pos;
67 int cose_state;
68 int seen;
69 unsigned short possible;
70};
71
95LWS_VISIBLE LWS_EXTERN int
96lws_jwk_import(struct lws_jwk *jwk, lws_jwk_key_import_callback cb, void *user,
97 const char *in, size_t len);
98
105LWS_VISIBLE LWS_EXTERN void
107
117LWS_VISIBLE LWS_EXTERN int
118lws_jwk_dup_oct(struct lws_jwk *jwk, const void *key, int len);
119
120#define LWSJWKF_EXPORT_PRIVATE (1 << 0)
121#define LWSJWKF_EXPORT_NOCRLF (1 << 1)
122
142LWS_VISIBLE LWS_EXTERN int
143lws_jwk_export(struct lws_jwk *jwk, int flags, char *p, int *len);
144
165LWS_VISIBLE LWS_EXTERN int
166lws_jwk_load(struct lws_jwk *jwk, const char *filename,
167 lws_jwk_key_import_callback cb, void *user);
168
176LWS_VISIBLE LWS_EXTERN int
177lws_jwk_save(struct lws_jwk *jwk, const char *filename);
178
186LWS_VISIBLE LWS_EXTERN int
187lws_jwk_rfc7638_fingerprint(struct lws_jwk *jwk, char *digest32);
188
198LWS_VISIBLE LWS_EXTERN int
199lws_jwk_strdup_meta(struct lws_jwk *jwk, enum enum_jwk_meta_tok idx,
200 const char *in, int len);
201
202
203LWS_VISIBLE LWS_EXTERN int
204lws_jwk_dump(struct lws_jwk *jwk);
205
216LWS_VISIBLE int
217lws_jwk_generate(struct lws_context *context, struct lws_jwk *jwk,
218 enum lws_gencrypto_kty kty, int bits, const char *curve);
219
LWS_VISIBLE LWS_EXTERN int lws_jwk_import(struct lws_jwk *jwk, lws_jwk_key_import_callback cb, void *user, const char *in, size_t len)
LWS_VISIBLE LWS_EXTERN int lws_jwk_load(struct lws_jwk *jwk, const char *filename, lws_jwk_key_import_callback cb, void *user)
LWS_VISIBLE LWS_EXTERN int lws_jwk_strdup_meta(struct lws_jwk *jwk, enum enum_jwk_meta_tok idx, const char *in, int len)
LWS_VISIBLE LWS_EXTERN int lws_jwk_export(struct lws_jwk *jwk, int flags, char *p, int *len)
LWS_VISIBLE LWS_EXTERN void lws_jwk_destroy(struct lws_jwk *jwk)
LWS_VISIBLE int lws_jwk_generate(struct lws_context *context, struct lws_jwk *jwk, enum lws_gencrypto_kty kty, int bits, const char *curve)
LWS_VISIBLE LWS_EXTERN int lws_jwk_rfc7638_fingerprint(struct lws_jwk *jwk, char *digest32)
LWS_VISIBLE LWS_EXTERN int lws_jwk_save(struct lws_jwk *jwk, const char *filename)
LWS_VISIBLE LWS_EXTERN int lws_jwk_dup_oct(struct lws_jwk *jwk, const void *key, int len)
Definition lws-gencrypto.h:99
Definition lws-jwk.h:61
Definition lws-jwk.h:50
int kty
Definition lws-jwk.h:55