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// Copyright 2014 The BoringSSL Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <contrib/restricted/google/boringssl/include/openssl/engine.h>
#include <assert.h>
#include <string.h>
#include <contrib/restricted/google/boringssl/include/openssl/ec_key.h>
#include <contrib/restricted/google/boringssl/include/openssl/err.h>
#include <contrib/restricted/google/boringssl/include/openssl/mem.h>
#include <contrib/restricted/google/boringssl/include/openssl/rsa.h>
#include "../internal.h"
#include "../mem_internal.h"
using namespace bssl;
struct engine_st {
RSA_METHOD *rsa_method;
ECDSA_METHOD *ecdsa_method;
};
ENGINE *ENGINE_new() { return New<ENGINE>(); }
int ENGINE_free(ENGINE *engine) {
// Methods are currently required to be static so are not unref'ed.
Delete(engine);
return 1;
}
// set_method takes a pointer to a method and its given size and sets
// |*out_member| to point to it. This function might want to be extended in the
// future to support making a copy of the method so that a stable ABI for
// ENGINEs can be supported. But, for the moment, all *_METHODS must be
// static.
static int set_method(void **out_member, const void *method, size_t method_size,
size_t compiled_size) {
const struct openssl_method_common_st *common =
reinterpret_cast<const openssl_method_common_st *>(method);
if (method_size != compiled_size || !common->is_static) {
return 0;
}
*out_member = (void *)method;
return 1;
}
int ENGINE_set_RSA_method(ENGINE *engine, const RSA_METHOD *method,
size_t method_size) {
return set_method((void **)&engine->rsa_method, method, method_size,
sizeof(RSA_METHOD));
}
RSA_METHOD *ENGINE_get_RSA_method(const ENGINE *engine) {
return engine->rsa_method;
}
int ENGINE_set_ECDSA_method(ENGINE *engine, const ECDSA_METHOD *method,
size_t method_size) {
return set_method((void **)&engine->ecdsa_method, method, method_size,
sizeof(ECDSA_METHOD));
}
ECDSA_METHOD *ENGINE_get_ECDSA_method(const ENGINE *engine) {
return engine->ecdsa_method;
}
void METHOD_ref(void *method_in) {
assert(((struct openssl_method_common_st *)method_in)->is_static);
}
void METHOD_unref(void *method_in) {
struct openssl_method_common_st *method =
reinterpret_cast<openssl_method_common_st *>(method_in);
if (method == nullptr) {
return;
}
assert(method->is_static);
}
OPENSSL_DECLARE_ERROR_REASON(ENGINE, OPERATION_NOT_SUPPORTED)
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