1*b077aed3SPierre Pronchery /*
2*b077aed3SPierre Pronchery * Copyright 2020-2022 The OpenSSL Project Authors. All Rights Reserved.
3*b077aed3SPierre Pronchery *
4*b077aed3SPierre Pronchery * Licensed under the Apache License 2.0 (the "License"). You may not use
5*b077aed3SPierre Pronchery * this file except in compliance with the License. You can obtain a copy
6*b077aed3SPierre Pronchery * in the file LICENSE in the source distribution or at
7*b077aed3SPierre Pronchery * https://www.openssl.org/source/license.html
8*b077aed3SPierre Pronchery */
9*b077aed3SPierre Pronchery
10*b077aed3SPierre Pronchery #include <openssl/core.h>
11*b077aed3SPierre Pronchery #include <openssl/buffer.h>
12*b077aed3SPierre Pronchery #include "internal/asn1.h"
13*b077aed3SPierre Pronchery #include "prov/bio.h"
14*b077aed3SPierre Pronchery #include "endecoder_local.h"
15*b077aed3SPierre Pronchery
16*b077aed3SPierre Pronchery OSSL_FUNC_keymgmt_new_fn *
ossl_prov_get_keymgmt_new(const OSSL_DISPATCH * fns)17*b077aed3SPierre Pronchery ossl_prov_get_keymgmt_new(const OSSL_DISPATCH *fns)
18*b077aed3SPierre Pronchery {
19*b077aed3SPierre Pronchery /* Pilfer the keymgmt dispatch table */
20*b077aed3SPierre Pronchery for (; fns->function_id != 0; fns++)
21*b077aed3SPierre Pronchery if (fns->function_id == OSSL_FUNC_KEYMGMT_NEW)
22*b077aed3SPierre Pronchery return OSSL_FUNC_keymgmt_new(fns);
23*b077aed3SPierre Pronchery
24*b077aed3SPierre Pronchery return NULL;
25*b077aed3SPierre Pronchery }
26*b077aed3SPierre Pronchery
27*b077aed3SPierre Pronchery OSSL_FUNC_keymgmt_free_fn *
ossl_prov_get_keymgmt_free(const OSSL_DISPATCH * fns)28*b077aed3SPierre Pronchery ossl_prov_get_keymgmt_free(const OSSL_DISPATCH *fns)
29*b077aed3SPierre Pronchery {
30*b077aed3SPierre Pronchery /* Pilfer the keymgmt dispatch table */
31*b077aed3SPierre Pronchery for (; fns->function_id != 0; fns++)
32*b077aed3SPierre Pronchery if (fns->function_id == OSSL_FUNC_KEYMGMT_FREE)
33*b077aed3SPierre Pronchery return OSSL_FUNC_keymgmt_free(fns);
34*b077aed3SPierre Pronchery
35*b077aed3SPierre Pronchery return NULL;
36*b077aed3SPierre Pronchery }
37*b077aed3SPierre Pronchery
38*b077aed3SPierre Pronchery OSSL_FUNC_keymgmt_import_fn *
ossl_prov_get_keymgmt_import(const OSSL_DISPATCH * fns)39*b077aed3SPierre Pronchery ossl_prov_get_keymgmt_import(const OSSL_DISPATCH *fns)
40*b077aed3SPierre Pronchery {
41*b077aed3SPierre Pronchery /* Pilfer the keymgmt dispatch table */
42*b077aed3SPierre Pronchery for (; fns->function_id != 0; fns++)
43*b077aed3SPierre Pronchery if (fns->function_id == OSSL_FUNC_KEYMGMT_IMPORT)
44*b077aed3SPierre Pronchery return OSSL_FUNC_keymgmt_import(fns);
45*b077aed3SPierre Pronchery
46*b077aed3SPierre Pronchery return NULL;
47*b077aed3SPierre Pronchery }
48*b077aed3SPierre Pronchery
49*b077aed3SPierre Pronchery OSSL_FUNC_keymgmt_export_fn *
ossl_prov_get_keymgmt_export(const OSSL_DISPATCH * fns)50*b077aed3SPierre Pronchery ossl_prov_get_keymgmt_export(const OSSL_DISPATCH *fns)
51*b077aed3SPierre Pronchery {
52*b077aed3SPierre Pronchery /* Pilfer the keymgmt dispatch table */
53*b077aed3SPierre Pronchery for (; fns->function_id != 0; fns++)
54*b077aed3SPierre Pronchery if (fns->function_id == OSSL_FUNC_KEYMGMT_EXPORT)
55*b077aed3SPierre Pronchery return OSSL_FUNC_keymgmt_export(fns);
56*b077aed3SPierre Pronchery
57*b077aed3SPierre Pronchery return NULL;
58*b077aed3SPierre Pronchery }
59*b077aed3SPierre Pronchery
ossl_prov_import_key(const OSSL_DISPATCH * fns,void * provctx,int selection,const OSSL_PARAM params[])60*b077aed3SPierre Pronchery void *ossl_prov_import_key(const OSSL_DISPATCH *fns, void *provctx,
61*b077aed3SPierre Pronchery int selection, const OSSL_PARAM params[])
62*b077aed3SPierre Pronchery {
63*b077aed3SPierre Pronchery OSSL_FUNC_keymgmt_new_fn *kmgmt_new = ossl_prov_get_keymgmt_new(fns);
64*b077aed3SPierre Pronchery OSSL_FUNC_keymgmt_free_fn *kmgmt_free = ossl_prov_get_keymgmt_free(fns);
65*b077aed3SPierre Pronchery OSSL_FUNC_keymgmt_import_fn *kmgmt_import =
66*b077aed3SPierre Pronchery ossl_prov_get_keymgmt_import(fns);
67*b077aed3SPierre Pronchery void *key = NULL;
68*b077aed3SPierre Pronchery
69*b077aed3SPierre Pronchery if (kmgmt_new != NULL && kmgmt_import != NULL && kmgmt_free != NULL) {
70*b077aed3SPierre Pronchery if ((key = kmgmt_new(provctx)) == NULL
71*b077aed3SPierre Pronchery || !kmgmt_import(key, selection, params)) {
72*b077aed3SPierre Pronchery kmgmt_free(key);
73*b077aed3SPierre Pronchery key = NULL;
74*b077aed3SPierre Pronchery }
75*b077aed3SPierre Pronchery }
76*b077aed3SPierre Pronchery return key;
77*b077aed3SPierre Pronchery }
78*b077aed3SPierre Pronchery
ossl_prov_free_key(const OSSL_DISPATCH * fns,void * key)79*b077aed3SPierre Pronchery void ossl_prov_free_key(const OSSL_DISPATCH *fns, void *key)
80*b077aed3SPierre Pronchery {
81*b077aed3SPierre Pronchery OSSL_FUNC_keymgmt_free_fn *kmgmt_free = ossl_prov_get_keymgmt_free(fns);
82*b077aed3SPierre Pronchery
83*b077aed3SPierre Pronchery if (kmgmt_free != NULL)
84*b077aed3SPierre Pronchery kmgmt_free(key);
85*b077aed3SPierre Pronchery }
86*b077aed3SPierre Pronchery
ossl_read_der(PROV_CTX * provctx,OSSL_CORE_BIO * cin,unsigned char ** data,long * len)87*b077aed3SPierre Pronchery int ossl_read_der(PROV_CTX *provctx, OSSL_CORE_BIO *cin, unsigned char **data,
88*b077aed3SPierre Pronchery long *len)
89*b077aed3SPierre Pronchery {
90*b077aed3SPierre Pronchery BUF_MEM *mem = NULL;
91*b077aed3SPierre Pronchery BIO *in = ossl_bio_new_from_core_bio(provctx, cin);
92*b077aed3SPierre Pronchery int ok;
93*b077aed3SPierre Pronchery
94*b077aed3SPierre Pronchery if (in == NULL)
95*b077aed3SPierre Pronchery return 0;
96*b077aed3SPierre Pronchery ok = (asn1_d2i_read_bio(in, &mem) >= 0);
97*b077aed3SPierre Pronchery if (ok) {
98*b077aed3SPierre Pronchery *data = (unsigned char *)mem->data;
99*b077aed3SPierre Pronchery *len = (long)mem->length;
100*b077aed3SPierre Pronchery OPENSSL_free(mem);
101*b077aed3SPierre Pronchery }
102*b077aed3SPierre Pronchery BIO_free(in);
103*b077aed3SPierre Pronchery return ok;
104*b077aed3SPierre Pronchery }
105