km_openssl/ec_key.cpp

/*
 * Copyright 2014 The Android Open Source Project
 *
 * 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
 *
 *      http://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 <keymaster/km_openssl/ec_key.h>

#if defined(OPENSSL_IS_BORINGSSL)
typedef size_t openssl_size_t;
#else
typedef int openssl_size_t;
#endif

namespace keymaster {

bool EcKey::EvpToInternal(const EVP_PKEY* pkey) {
    ec_key_.reset(EVP_PKEY_get1_EC_KEY(const_cast<EVP_PKEY*>(pkey)));
    return ec_key_.get() != nullptr;
}

EVP_PKEY_Ptr EcKey::InternalToEvp() const {
    EVP_PKEY_Ptr pkey(EVP_PKEY_new());
    if (pkey.get() != nullptr) {
        if (EVP_PKEY_set1_EC_KEY(pkey.get(), ec_key_.get()) != 1) {
            return {};
        }
    }
    return pkey;
}

}  // namespace keymaster