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48 lines
1.4 KiB
48 lines
1.4 KiB
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "adb/crypto/key.h"
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#include <android-base/logging.h>
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#include <openssl/bn.h>
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#include <openssl/pem.h>
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#include <openssl/rsa.h>
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namespace adb {
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namespace crypto {
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// static
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std::string Key::ToPEMString(EVP_PKEY* pkey) {
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bssl::UniquePtr<BIO> bio(BIO_new(BIO_s_mem()));
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int rc = PEM_write_bio_PKCS8PrivateKey(bio.get(), pkey, nullptr, nullptr, 0, nullptr, nullptr);
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if (rc != 1) {
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LOG(ERROR) << "PEM_write_bio_PKCS8PrivateKey failed";
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return "";
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}
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BUF_MEM* mem = nullptr;
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BIO_get_mem_ptr(bio.get(), &mem);
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if (!mem || !mem->data || !mem->length) {
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LOG(ERROR) << "BIO_get_mem_ptr failed";
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return "";
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}
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return std::string(mem->data, mem->length);
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}
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} // namespace crypto
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} // namespace adb
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