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/err.h>
18 #include <openssl/pem.h>
19 #include <openssl/dsa.h>
20 #include <openssl/types.h>
21 #include <openssl/params.h>
23 #include "prov/implementations.h"
24 #include "prov/provider_ctx.h"
25 #include "serializer_local.h"
27 static OSSL_OP_serializer_newctx_fn dsa_pub_newctx;
28 static OSSL_OP_serializer_freectx_fn dsa_pub_freectx;
29 static OSSL_OP_serializer_serialize_data_fn dsa_pub_der_data;
30 static OSSL_OP_serializer_serialize_object_fn dsa_pub_der;
31 static OSSL_OP_serializer_serialize_data_fn dsa_pub_pem_data;
32 static OSSL_OP_serializer_serialize_object_fn dsa_pub_pem;
34 static OSSL_OP_serializer_serialize_data_fn dsa_pub_print_data;
35 static OSSL_OP_serializer_serialize_object_fn dsa_pub_print;
37 /* Public key : context */
40 * There's no specific implementation context, so we use the provider context
42 static void *dsa_pub_newctx(void *provctx)
47 static void dsa_pub_freectx(void *ctx)
51 /* Public key : DER */
52 static int dsa_pub_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_KEYPAIR, params)
67 && dsa_pub_der(ctx, dsa, out, cb, cbarg))
74 static int dsa_pub_der(void *ctx, void *dsa, OSSL_CORE_BIO *cout,
75 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
78 * TODO(v3.0) implement setting save_parameters, see dsa_pub_encode()
79 * in crypto/dsa/dsa_ameth.c
81 int save_parameters = 1;
82 BIO *out = bio_new_from_core_bio(ctx, cout);
90 ? ossl_prov_write_pub_der_from_obj(out, dsa, EVP_PKEY_DSA,
91 ossl_prov_prepare_all_dsa_params,
92 ossl_prov_dsa_pub_to_der)
93 : ossl_prov_write_pub_der_from_obj(out, dsa, EVP_PKEY_DSA,
94 ossl_prov_prepare_dsa_params,
95 ossl_prov_dsa_pub_to_der);
102 /* Public key : PEM */
103 static int dsa_pub_pem_data(void *ctx, const OSSL_PARAM params[],
105 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
107 OSSL_OP_keymgmt_new_fn *dsa_new = ossl_prov_get_keymgmt_dsa_new();
108 OSSL_OP_keymgmt_free_fn *dsa_free = ossl_prov_get_keymgmt_dsa_free();
109 OSSL_OP_keymgmt_import_fn *dsa_import = ossl_prov_get_keymgmt_dsa_import();
112 if (dsa_import != NULL) {
116 if ((dsa = dsa_new(ctx)) != NULL
117 && dsa_import(dsa, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
118 && dsa_pub_pem(ctx, dsa, out, cb, cbarg))
125 static int dsa_pub_pem(void *ctx, void *dsa, OSSL_CORE_BIO *cout,
126 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
128 BIO *out = bio_new_from_core_bio(ctx, cout);
134 ret = ossl_prov_write_pub_pem_from_obj(out, dsa, EVP_PKEY_DSA,
135 ossl_prov_prepare_dsa_params,
136 ossl_prov_dsa_pub_to_der);
143 static int dsa_pub_print_data(void *ctx, const OSSL_PARAM params[],
145 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
147 OSSL_OP_keymgmt_new_fn *dsa_new = ossl_prov_get_keymgmt_dsa_new();
148 OSSL_OP_keymgmt_free_fn *dsa_free = ossl_prov_get_keymgmt_dsa_free();
149 OSSL_OP_keymgmt_import_fn *dsa_import = ossl_prov_get_keymgmt_dsa_import();
152 if (dsa_import != NULL) {
156 if ((dsa = dsa_new(ctx)) != NULL
157 && dsa_import(dsa, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
158 && dsa_pub_print(ctx, dsa, out, cb, cbarg))
165 static int dsa_pub_print(void *ctx, void *dsa, OSSL_CORE_BIO *cout,
166 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
168 BIO *out = bio_new_from_core_bio(ctx, cout);
174 ret = ossl_prov_print_dsa(out, dsa, 0);
180 const OSSL_DISPATCH dsa_pub_der_serializer_functions[] = {
181 { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_pub_newctx },
182 { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_pub_freectx },
183 { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_pub_der_data },
184 { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_pub_der },
188 const OSSL_DISPATCH dsa_pub_pem_serializer_functions[] = {
189 { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_pub_newctx },
190 { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_pub_freectx },
191 { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_pub_pem_data },
192 { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_pub_pem },
196 const OSSL_DISPATCH dsa_pub_text_serializer_functions[] = {
197 { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_pub_newctx },
198 { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_pub_freectx },
199 { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_pub_print },
200 { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA,
201 (void (*)(void))dsa_pub_print_data },