2019-11-18 09:01:13 +08:00
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/*
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* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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2020-01-30 05:23:39 +08:00
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/*
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* DSA low level APIs are deprecated for public use, but still ok for
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* internal use.
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*/
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#include "internal/deprecated.h"
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2019-11-18 09:01:13 +08:00
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#include <openssl/core_numbers.h>
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#include <openssl/pem.h>
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#include <openssl/dsa.h>
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#include <openssl/types.h>
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#include <openssl/params.h>
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#include "prov/bio.h"
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#include "prov/implementations.h"
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#include "prov/providercommonerr.h"
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#include "serializer_local.h"
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static OSSL_OP_serializer_newctx_fn dsa_param_newctx;
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static OSSL_OP_serializer_freectx_fn dsa_param_freectx;
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static OSSL_OP_serializer_serialize_data_fn dsa_param_der_data;
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static OSSL_OP_serializer_serialize_object_fn dsa_param_der;
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static OSSL_OP_serializer_serialize_data_fn dsa_param_pem_data;
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static OSSL_OP_serializer_serialize_object_fn dsa_param_pem;
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static OSSL_OP_serializer_serialize_data_fn dsa_param_print_data;
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static OSSL_OP_serializer_serialize_object_fn dsa_param_print;
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/* Parameters : context */
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/*
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* There's no specific implementation context, so we use the provider context
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*/
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static void *dsa_param_newctx(void *provctx)
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{
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return provctx;
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}
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static void dsa_param_freectx(void *ctx)
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{
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}
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/* Public key : DER */
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static int dsa_param_der_data(void *ctx, const OSSL_PARAM params[], BIO *out,
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2020-02-03 23:36:24 +08:00
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OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
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2019-11-18 09:01:13 +08:00
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{
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2020-02-03 23:36:24 +08:00
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OSSL_OP_keymgmt_new_fn *dsa_new = ossl_prov_get_keymgmt_dsa_new();
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OSSL_OP_keymgmt_free_fn *dsa_free = ossl_prov_get_keymgmt_dsa_free();
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OSSL_OP_keymgmt_import_fn *dsa_import = ossl_prov_get_keymgmt_dsa_import();
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2019-11-18 09:01:13 +08:00
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int ok = 0;
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2020-02-03 23:36:24 +08:00
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if (dsa_import != NULL) {
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DSA *dsa;
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2019-11-18 09:01:13 +08:00
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2020-02-03 23:36:24 +08:00
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/* ctx == provctx */
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if ((dsa = dsa_new(ctx)) != NULL
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&& dsa_import(dsa, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS, params)
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&& dsa_param_der(ctx, dsa, out, cb, cbarg))
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ok = 1;
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dsa_free(dsa);
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2019-11-18 09:01:13 +08:00
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}
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return ok;
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}
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static int dsa_param_der(void *ctx, void *dsa, BIO *out,
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2020-02-03 23:36:24 +08:00
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OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
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2019-11-18 09:01:13 +08:00
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{
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return i2d_DSAparams_bio(out, dsa);
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}
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/* Public key : PEM */
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static int dsa_param_pem_data(void *ctx, const OSSL_PARAM params[], BIO *out,
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2020-02-03 23:36:24 +08:00
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OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
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2019-11-18 09:01:13 +08:00
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{
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2020-02-03 23:36:24 +08:00
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OSSL_OP_keymgmt_new_fn *dsa_new = ossl_prov_get_keymgmt_dsa_new();
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OSSL_OP_keymgmt_free_fn *dsa_free = ossl_prov_get_keymgmt_dsa_free();
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OSSL_OP_keymgmt_import_fn *dsa_import = ossl_prov_get_keymgmt_dsa_import();
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2019-11-18 09:01:13 +08:00
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int ok = 0;
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2020-02-03 23:36:24 +08:00
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if (dsa_import != NULL) {
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DSA *dsa;
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2019-11-18 09:01:13 +08:00
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2020-02-03 23:36:24 +08:00
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/* ctx == provctx */
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if ((dsa = dsa_new(ctx)) != NULL
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&& dsa_import(dsa, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS, params)
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&& dsa_param_pem(ctx, dsa, out, cb, cbarg))
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ok = 1;
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dsa_free(dsa);
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2019-11-18 09:01:13 +08:00
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}
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return ok;
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}
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static int dsa_param_pem(void *ctx, void *dsa, BIO *out,
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2020-02-03 23:36:24 +08:00
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OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
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2019-11-18 09:01:13 +08:00
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{
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return PEM_write_bio_DSAparams(out, dsa);
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}
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static int dsa_param_print_data(void *ctx, const OSSL_PARAM params[], BIO *out,
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2020-02-03 23:36:24 +08:00
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OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
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2019-11-18 09:01:13 +08:00
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{
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2020-02-03 23:36:24 +08:00
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OSSL_OP_keymgmt_new_fn *dsa_new = ossl_prov_get_keymgmt_dsa_new();
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OSSL_OP_keymgmt_free_fn *dsa_free = ossl_prov_get_keymgmt_dsa_free();
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OSSL_OP_keymgmt_import_fn *dsa_import = ossl_prov_get_keymgmt_dsa_import();
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2019-11-18 09:01:13 +08:00
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int ok = 0;
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2020-02-03 23:36:24 +08:00
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if (dsa_import != NULL) {
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DSA *dsa;
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2019-11-18 09:01:13 +08:00
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2020-02-03 23:36:24 +08:00
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/* ctx == provctx */
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if ((dsa = dsa_new(ctx)) != NULL
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&& dsa_import(dsa, OSSL_KEYMGMT_SELECT_ALL_PARAMETERS, params)
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&& dsa_param_print(ctx, dsa, out, cb, cbarg))
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ok = 1;
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dsa_free(dsa);
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2019-11-18 09:01:13 +08:00
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}
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return ok;
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}
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static int dsa_param_print(void *ctx, void *dsa, BIO *out,
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2020-02-03 23:36:24 +08:00
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OSSL_PASSPHRASE_CALLBACK *cb, void *cbarg)
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2019-11-18 09:01:13 +08:00
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{
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return ossl_prov_print_dsa(out, dsa, dsa_print_params);
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}
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const OSSL_DISPATCH dsa_param_der_serializer_functions[] = {
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{ OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_param_newctx },
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{ OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_param_freectx },
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{ OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_param_der_data },
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{ OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_param_der },
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{ 0, NULL }
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};
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const OSSL_DISPATCH dsa_param_pem_serializer_functions[] = {
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{ OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_param_newctx },
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{ OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_param_freectx },
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{ OSSL_FUNC_SERIALIZER_SERIALIZE_DATA, (void (*)(void))dsa_param_pem_data },
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{ OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_param_pem },
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{ 0, NULL }
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};
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const OSSL_DISPATCH dsa_param_text_serializer_functions[] = {
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{ OSSL_FUNC_SERIALIZER_NEWCTX, (void (*)(void))dsa_param_newctx },
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{ OSSL_FUNC_SERIALIZER_FREECTX, (void (*)(void))dsa_param_freectx },
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{ OSSL_FUNC_SERIALIZER_SERIALIZE_OBJECT, (void (*)(void))dsa_param_print },
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{ OSSL_FUNC_SERIALIZER_SERIALIZE_DATA,
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(void (*)(void))dsa_param_print_data },
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{ 0, NULL }
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};
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