_ Git - BearSSL/blob - src/x509/x509_knownkey.c

   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
  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
  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
  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
  57 kk_start_cert(const br_x509_class **ctx, uint32_t length)
  58 {
  59         (void)ctx;
  60         (void)length;
  61 }
  62
  63 static void
  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
  72 kk_end_cert(const br_x509_class **ctx)
  73 {
  74         (void)ctx;
  75 }
  76
  77 static unsigned
  78 kk_end_chain(const br_x509_class **ctx)
  79 {
  80         (void)ctx;
  81         return 0;
  82 }
  83
  84 static const br_x509_pkey *
  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 };