2 * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 * DH low level APIs are deprecated for public use, but still ok for
14 #include "internal/deprecated.h"
16 #include <openssl/core_numbers.h>
17 #include <openssl/pem.h>
18 #include <openssl/dh.h>
19 #include <openssl/types.h>
20 #include <openssl/params.h>
22 #include "prov/implementations.h"
23 #include "prov/providercommonerr.h"
24 #include "prov/provider_ctx.h"
25 #include "serializer_local.h"
27 static OSSL_OP_serializer_newctx_fn dh_param_newctx;
28 static OSSL_OP_serializer_freectx_fn dh_param_freectx;
29 static OSSL_OP_serializer_serialize_data_fn dh_param_der_data;
30 static OSSL_OP_serializer_serialize_object_fn dh_param_der;
31 static OSSL_OP_serializer_serialize_data_fn dh_param_pem_data;
32 static OSSL_OP_serializer_serialize_object_fn dh_param_pem;
34 static OSSL_OP_serializer_serialize_data_fn dh_param_print_data;
35 static OSSL_OP_serializer_serialize_object_fn dh_param_print;
37 /* Parameters : context */
40 * There's no specific implementation context, so we use the provider context
42 static void *dh_param_newctx(void *provctx)
47 static void dh_param_freectx(void *ctx)
51 /* Public key : DER */
52 static int dh_param_der_data(void *ctx, const OSSL_PARAM params[],
54 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
56 OSSL_OP_keymgmt_new_fn *dh_new = ossl_prov_get_keymgmt_dh_new();
57 OSSL_OP_keymgmt_free_fn *dh_free = ossl_prov_get_keymgmt_dh_free();
58 OSSL_OP_keymgmt_import_fn *dh_import = ossl_prov_get_keymgmt_dh_import();
61 if (dh_import != NULL) {
65 if ((dh = dh_new(ctx)) != NULL
66 && dh_import(dh, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS, params)
67 && dh_param_der(ctx, dh, out, cb, cbarg))
74 static int dh_param_der(void *ctx, void *dh, OSSL_CORE_BIO *cout,
75 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
77 BIO *out = bio_new_from_core_bio(ctx, cout);
82 ret = i2d_DHparams_bio(out, dh);
88 /* Public key : PEM */
89 static int dh_param_pem_data(void *ctx, const OSSL_PARAM params[],
91 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
93 OSSL_OP_keymgmt_new_fn *dh_new = ossl_prov_get_keymgmt_dh_new();
94 OSSL_OP_keymgmt_free_fn *dh_free = ossl_prov_get_keymgmt_dh_free();
95 OSSL_OP_keymgmt_import_fn *dh_import = ossl_prov_get_keymgmt_dh_import();
98 if (dh_import != NULL) {
102 if ((dh = dh_new(ctx)) != NULL
103 && dh_import(dh, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS, params)
104 && dh_param_pem(ctx, dh, out, cb, cbarg))
111 static int dh_param_pem(void *ctx, void *dh, OSSL_CORE_BIO *cout,
112 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
114 BIO *out = bio_new_from_core_bio(ctx, cout);
120 ret = PEM_write_bio_DHparams(out, dh);
126 static int dh_param_print_data(void *ctx, const OSSL_PARAM params[],
128 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
130 OSSL_OP_keymgmt_new_fn *dh_new = ossl_prov_get_keymgmt_dh_new();
131 OSSL_OP_keymgmt_free_fn *dh_free = ossl_prov_get_keymgmt_dh_free();
132 OSSL_OP_keymgmt_import_fn *dh_import = ossl_prov_get_keymgmt_dh_import();
135 if (dh_import != NULL) {
139 if ((dh = dh_new(ctx)) != NULL
140 && dh_import(dh, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS, params)
141 && dh_param_print(ctx, dh, out, cb, cbarg))
148 static int dh_param_print(void *ctx, void *dh, OSSL_CORE_BIO *cout,
149 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
151 BIO *out = bio_new_from_core_bio(ctx, cout);
157 ret = ossl_prov_print_dh(out, dh, dh_print_params);
163 const OSSL_DISPATCH dh_param_der_serializer_functions[] = {
164 { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dh_param_newctx },
165 { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dh_param_freectx },
166 { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dh_param_der_data },
167 { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dh_param_der },
171 const OSSL_DISPATCH dh_param_pem_serializer_functions[] = {
172 { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dh_param_newctx },
173 { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dh_param_freectx },
174 { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dh_param_pem_data },
175 { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dh_param_pem },
179 const OSSL_DISPATCH dh_param_text_serializer_functions[] = {
180 { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dh_param_newctx },
181 { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dh_param_freectx },
182 { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dh_param_print },
183 { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA,
184 (void (*)(void))dh_param_print_data },