xref: /freebsd/contrib/bearssl/src/x509/x509_knownkey.c (revision 2aaf9152a852aba9eb2036b95f4948ee77988826)
1 /*
2  * Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining
5  * a copy of this software and associated documentation files (the
6  * "Software"), to deal in the Software without restriction, including
7  * without limitation the rights to use, copy, modify, merge, publish,
8  * distribute, sublicense, and/or sell copies of the Software, and to
9  * permit persons to whom the Software is furnished to do so, subject to
10  * the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be
13  * included in all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22  * SOFTWARE.
23  */
24 
25 #include "inner.h"
26 
27 /* see bearssl_x509.h */
28 void
br_x509_knownkey_init_rsa(br_x509_knownkey_context * ctx,const br_rsa_public_key * pk,unsigned usages)29 br_x509_knownkey_init_rsa(br_x509_knownkey_context *ctx,
30 	const br_rsa_public_key *pk, unsigned usages)
31 {
32 	ctx->vtable = &br_x509_knownkey_vtable;
33 	ctx->pkey.key_type = BR_KEYTYPE_RSA;
34 	ctx->pkey.key.rsa = *pk;
35 	ctx->usages = usages;
36 }
37 
38 /* see bearssl_x509.h */
39 void
br_x509_knownkey_init_ec(br_x509_knownkey_context * ctx,const br_ec_public_key * pk,unsigned usages)40 br_x509_knownkey_init_ec(br_x509_knownkey_context *ctx,
41 	const br_ec_public_key *pk, unsigned usages)
42 {
43 	ctx->vtable = &br_x509_knownkey_vtable;
44 	ctx->pkey.key_type = BR_KEYTYPE_EC;
45 	ctx->pkey.key.ec = *pk;
46 	ctx->usages = usages;
47 }
48 
49 static void
kk_start_chain(const br_x509_class ** ctx,const char * server_name)50 kk_start_chain(const br_x509_class **ctx, const char *server_name)
51 {
52 	(void)ctx;
53 	(void)server_name;
54 }
55 
56 static void
kk_start_cert(const br_x509_class ** ctx,uint32_t length)57 kk_start_cert(const br_x509_class **ctx, uint32_t length)
58 {
59 	(void)ctx;
60 	(void)length;
61 }
62 
63 static void
kk_append(const br_x509_class ** ctx,const unsigned char * buf,size_t len)64 kk_append(const br_x509_class **ctx, const unsigned char *buf, size_t len)
65 {
66 	(void)ctx;
67 	(void)buf;
68 	(void)len;
69 }
70 
71 static void
kk_end_cert(const br_x509_class ** ctx)72 kk_end_cert(const br_x509_class **ctx)
73 {
74 	(void)ctx;
75 }
76 
77 static unsigned
kk_end_chain(const br_x509_class ** ctx)78 kk_end_chain(const br_x509_class **ctx)
79 {
80 	(void)ctx;
81 	return 0;
82 }
83 
84 static const br_x509_pkey *
kk_get_pkey(const br_x509_class * const * ctx,unsigned * usages)85 kk_get_pkey(const br_x509_class *const *ctx, unsigned *usages)
86 {
87 	const br_x509_knownkey_context *xc;
88 
89 	xc = (const br_x509_knownkey_context *)ctx;
90 	if (usages != NULL) {
91 		*usages = xc->usages;
92 	}
93 	return &xc->pkey;
94 }
95 
96 /* see bearssl_x509.h */
97 const br_x509_class br_x509_knownkey_vtable = {
98 	sizeof(br_x509_knownkey_context),
99 	kk_start_chain,
100 	kk_start_cert,
101 	kk_append,
102 	kk_end_cert,
103 	kk_end_chain,
104 	kk_get_pkey
105 };
106