2 * Copyright 2019 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
10 #include <openssl/core_numbers.h>
11 #include <openssl/core_names.h>
12 #include <openssl/err.h>
13 #include <openssl/pem.h>
14 #include <openssl/dsa.h>
15 #include <openssl/types.h>
16 #include <openssl/params.h>
18 #include "prov/implementations.h"
19 #include "serializer_local.h"
21 static OSSL_OP_serializer_newctx_fn dsa_priv_newctx;
22 static OSSL_OP_serializer_freectx_fn dsa_priv_freectx;
23 static OSSL_OP_serializer_set_ctx_params_fn dsa_priv_set_ctx_params;
24 static OSSL_OP_serializer_settable_ctx_params_fn dsa_priv_settable_ctx_params;
25 static OSSL_OP_serializer_serialize_data_fn dsa_priv_der_data;
26 static OSSL_OP_serializer_serialize_object_fn dsa_priv_der;
27 static OSSL_OP_serializer_serialize_data_fn dsa_pem_priv_data;
28 static OSSL_OP_serializer_serialize_object_fn dsa_pem_priv;
30 static OSSL_OP_serializer_newctx_fn dsa_print_newctx;
31 static OSSL_OP_serializer_freectx_fn dsa_print_freectx;
32 static OSSL_OP_serializer_serialize_data_fn dsa_priv_print_data;
33 static OSSL_OP_serializer_serialize_object_fn dsa_priv_print;
36 * Context used for private key serialization.
38 struct dsa_priv_ctx_st {
41 struct pkcs8_encrypt_ctx_st sc;
44 /* Private key : context */
45 static void *dsa_priv_newctx(void *provctx)
47 struct dsa_priv_ctx_st *ctx = OPENSSL_zalloc(sizeof(*ctx));
50 ctx->provctx = provctx;
52 /* -1 is the "whatever" indicator, i.e. the PKCS8 library default PBE */
58 static void dsa_priv_freectx(void *vctx)
60 struct dsa_priv_ctx_st *ctx = vctx;
62 EVP_CIPHER_free(ctx->sc.cipher);
63 OPENSSL_free(ctx->sc.cipher_pass);
67 static const OSSL_PARAM *dsa_priv_settable_ctx_params(void)
69 static const OSSL_PARAM settables[] = {
70 OSSL_PARAM_utf8_string(OSSL_SERIALIZER_PARAM_CIPHER, NULL, 0),
71 OSSL_PARAM_octet_string(OSSL_SERIALIZER_PARAM_PASS, NULL, 0),
78 static int dsa_priv_set_ctx_params(void *vctx, const OSSL_PARAM params[])
80 struct dsa_priv_ctx_st *ctx = vctx;
83 if ((p = OSSL_PARAM_locate_const(params, OSSL_SERIALIZER_PARAM_CIPHER))
85 const OSSL_PARAM *propsp =
86 OSSL_PARAM_locate_const(params, OSSL_SERIALIZER_PARAM_PROPERTIES);
87 const char *props = NULL;
89 if (p->data_type != OSSL_PARAM_UTF8_STRING)
91 if (propsp != NULL && propsp->data_type != OSSL_PARAM_UTF8_STRING)
93 props = (propsp != NULL ? propsp->data : NULL);
95 EVP_CIPHER_free(ctx->sc.cipher);
96 ctx->sc.cipher_intent = p->data != NULL;
98 && ((ctx->sc.cipher = EVP_CIPHER_fetch(NULL, p->data, props))
102 if ((p = OSSL_PARAM_locate_const(params, OSSL_SERIALIZER_PARAM_PASS))
104 OPENSSL_free(ctx->sc.cipher_pass);
105 ctx->sc.cipher_pass = NULL;
106 if (!OSSL_PARAM_get_octet_string(p, &ctx->sc.cipher_pass, 0,
107 &ctx->sc.cipher_pass_length))
113 /* Private key : DER */
114 static int dsa_priv_der_data(void *vctx, const OSSL_PARAM params[], BIO *out,
115 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
117 struct dsa_priv_ctx_st *ctx = vctx;
118 OSSL_OP_keymgmt_new_fn *dsa_new = ossl_prov_get_keymgmt_dsa_new();
119 OSSL_OP_keymgmt_free_fn *dsa_free = ossl_prov_get_keymgmt_dsa_free();
120 OSSL_OP_keymgmt_import_fn *dsa_import = ossl_prov_get_keymgmt_dsa_import();
123 if (dsa_import != NULL) {
126 if ((dsa = dsa_new(ctx->provctx)) != NULL
127 && dsa_import(dsa, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
128 && dsa_priv_der(ctx, dsa, out, cb, cbarg))
135 static int dsa_priv_der(void *vctx, void *dsa, BIO *out,
136 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
138 struct dsa_priv_ctx_st *ctx = vctx;
141 ctx->sc.cbarg = cbarg;
143 return ossl_prov_write_priv_der_from_obj(out, dsa, EVP_PKEY_DSA,
144 ossl_prov_prepare_dsa_params,
145 ossl_prov_dsa_priv_to_der,
149 /* Private key : PEM */
150 static int dsa_pem_priv_data(void *vctx, const OSSL_PARAM params[], BIO *out,
151 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
153 struct dsa_priv_ctx_st *ctx = vctx;
154 OSSL_OP_keymgmt_new_fn *dsa_new = ossl_prov_get_keymgmt_dsa_new();
155 OSSL_OP_keymgmt_free_fn *dsa_free = ossl_prov_get_keymgmt_dsa_free();
156 OSSL_OP_keymgmt_import_fn *dsa_import = ossl_prov_get_keymgmt_dsa_import();
159 if (dsa_import != NULL) {
162 if ((dsa = dsa_new(ctx->provctx)) != NULL
163 && dsa_import(dsa, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
164 && dsa_pem_priv(ctx, dsa, out, cb, cbarg))
171 static int dsa_pem_priv(void *vctx, void *dsa, BIO *out,
172 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
174 struct dsa_priv_ctx_st *ctx = vctx;
177 ctx->sc.cbarg = cbarg;
179 return ossl_prov_write_priv_pem_from_obj(out, dsa, EVP_PKEY_DSA,
180 ossl_prov_prepare_dsa_params,
181 ossl_prov_dsa_priv_to_der,
186 * There's no specific print context, so we use the provider context
188 static void *dsa_print_newctx(void *provctx)
193 static void dsa_print_freectx(void *ctx)
197 static int dsa_priv_print_data(void *vctx, const OSSL_PARAM params[],
199 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
201 struct dsa_priv_ctx_st *ctx = vctx;
202 OSSL_OP_keymgmt_new_fn *dsa_new = ossl_prov_get_keymgmt_dsa_new();
203 OSSL_OP_keymgmt_free_fn *dsa_free = ossl_prov_get_keymgmt_dsa_free();
204 OSSL_OP_keymgmt_import_fn *dsa_import = ossl_prov_get_keymgmt_dsa_import();
207 if (dsa_import != NULL) {
210 if ((dsa = dsa_new(ctx->provctx)) != NULL
211 && dsa_import(dsa, OSSL_KEYMGMT_SELECT_KEYPAIR, params)
212 && dsa_priv_print(ctx, dsa, out, cb, cbarg))
219 static int dsa_priv_print(void *ctx, void *dsa, BIO *out,
220 OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
222 return ossl_prov_print_dsa(out, dsa, dsa_print_priv);
225 const OSSL_DISPATCH dsa_priv_der_serializer_functions[] = {
226 { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_priv_newctx },
227 { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_priv_freectx },
228 { OSSL_FUNC_SERIALIZER_SET_CTX_PARAMS,
229 (void (*)(void))dsa_priv_set_ctx_params },
230 { OSSL_FUNC_SERIALIZER_SETTABLE_CTX_PARAMS,
231 (void (*)(void))dsa_priv_settable_ctx_params },
232 { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_priv_der_data },
233 { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_priv_der },
237 const OSSL_DISPATCH dsa_priv_pem_serializer_functions[] = {
238 { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_priv_newctx },
239 { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_priv_freectx },
240 { OSSL_FUNC_SERIALIZER_SET_CTX_PARAMS,
241 (void (*)(void))dsa_priv_set_ctx_params },
242 { OSSL_FUNC_SERIALIZER_SETTABLE_CTX_PARAMS,
243 (void (*)(void))dsa_priv_settable_ctx_params },
244 { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_pem_priv_data },
245 { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_pem_priv },
249 const OSSL_DISPATCH dsa_priv_text_serializer_functions[] = {
250 { OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_print_newctx },
251 { OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_print_freectx },
252 { OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_priv_print },
253 { OSSL_FUNC_SERIALIZER_SERIALIZE_DATA,
254 (void (*)(void))dsa_priv_print_data },