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 * DSA 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/dsa.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 dsa_param_newctx;
28 static OSSL_OP_serializer_freectx_fn dsa_param_freectx;
29 static OSSL_OP_serializer_serialize_data_fn dsa_param_der_data;
30 static OSSL_OP_serializer_serialize_object_fn dsa_param_der;
31 static OSSL_OP_serializer_serialize_data_fn dsa_param_pem_data;
32 static OSSL_OP_serializer_serialize_object_fn dsa_param_pem;
34 static OSSL_OP_serializer_serialize_data_fn dsa_param_print_data;
35 static OSSL_OP_serializer_serialize_object_fn dsa_param_print;
37 /* Parameters : context */
40 * There's no specific implementation context, so we use the provider context
42 static void *dsa_param_newctx(void *provctx)
47 static void dsa_param_freectx(void *ctx)
51 /* Public key : DER */
52 static int dsa_param_der_data(void *ctx, const OSSL_PARAM params[],
54 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
56 OSSL_OP_keymgmt_new_fn *dsa_new = ossl_prov_get_keymgmt_dsa_new();
57 OSSL_OP_keymgmt_free_fn *dsa_free = ossl_prov_get_keymgmt_dsa_free();
58 OSSL_OP_keymgmt_import_fn *dsa_import = ossl_prov_get_keymgmt_dsa_import();
61 if (dsa_import != NULL) {
65 if ((dsa = dsa_new(ctx)) != NULL
66 && dsa_import(dsa, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS, params)
67 && dsa_param_der(ctx, dsa, out, cb, cbarg))
74 static int dsa_param_der(void *ctx, void *dsa, OSSL_CORE_BIO *cout,
75 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
77 BIO *out = bio_new_from_core_bio(ctx, cout);
83 ret = i2d_DSAparams_bio(out, dsa);
89 /* Public key : PEM */
90 static int dsa_param_pem_data(void *ctx, const OSSL_PARAM params[],
92 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
94 OSSL_OP_keymgmt_new_fn *dsa_new = ossl_prov_get_keymgmt_dsa_new();
95 OSSL_OP_keymgmt_free_fn *dsa_free = ossl_prov_get_keymgmt_dsa_free();
96 OSSL_OP_keymgmt_import_fn *dsa_import = ossl_prov_get_keymgmt_dsa_import();
99 if (dsa_import != NULL) {
103 if ((dsa = dsa_new(ctx)) != NULL
104 && dsa_import(dsa, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS, params)
105 && dsa_param_pem(ctx, dsa, out, cb, cbarg))
112 static int dsa_param_pem(void *ctx, void *dsa, OSSL_CORE_BIO *cout,
113 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
115 BIO *out = bio_new_from_core_bio(ctx, cout);
121 ret = PEM_write_bio_DSAparams(out, dsa);
127 static int dsa_param_print_data(void *ctx, const OSSL_PARAM params[],
129 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
131 OSSL_OP_keymgmt_new_fn *dsa_new = ossl_prov_get_keymgmt_dsa_new();
132 OSSL_OP_keymgmt_free_fn *dsa_free = ossl_prov_get_keymgmt_dsa_free();
133 OSSL_OP_keymgmt_import_fn *dsa_import = ossl_prov_get_keymgmt_dsa_import();
136 if (dsa_import != NULL) {
140 if ((dsa = dsa_new(ctx)) != NULL
141 && dsa_import(dsa, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS, params)
142 && dsa_param_print(ctx, dsa, out, cb, cbarg))
149 static int dsa_param_print(void *ctx, void *dsa, OSSL_CORE_BIO *cout,
150 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
152 BIO *out = bio_new_from_core_bio(ctx, cout);
158 ret = ossl_prov_print_dsa(out, dsa, dsa_print_params);
164 const OSSL_DISPATCH dsa_param_der_serializer_functions[] = {
165 { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_param_newctx },
166 { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_param_freectx },
167 { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_param_der_data },
168 { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_param_der },
172 const OSSL_DISPATCH dsa_param_pem_serializer_functions[] = {
173 { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_param_newctx },
174 { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_param_freectx },
175 { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_param_pem_data },
176 { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_param_pem },
180 const OSSL_DISPATCH dsa_param_text_serializer_functions[] = {
181 { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_param_newctx },
182 { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_param_freectx },
183 { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_param_print },
184 { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA,
185 (void (*)(void))dsa_param_print_data },