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80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_SSL_THREADED_SSL_PRIVATE_KEY_H_
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#define NET_SSL_THREADED_SSL_PRIVATE_KEY_H_
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#include <stddef.h>
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#include <stdint.h>
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#include <memory>
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#include <vector>
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#include "base/containers/span.h"
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#include "base/macros.h"
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#include "base/memory/ref_counted.h"
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#include "base/memory/weak_ptr.h"
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#include "net/ssl/ssl_private_key.h"
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namespace base {
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class SingleThreadTaskRunner;
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}
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namespace net {
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// An SSLPrivateKey implementation which offloads key operations to a background
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// task runner.
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class ThreadedSSLPrivateKey : public SSLPrivateKey {
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public:
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// Interface for consumers to implement to perform the actual signing
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// operation.
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class Delegate {
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public:
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Delegate() {}
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virtual ~Delegate() {}
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// Returns the algorithms that are supported by the key in decreasing
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// preference for TLS 1.2 and later. Note that
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// |SSL_SIGN_RSA_PKCS1_MD5_SHA1| is only used by TLS 1.1 and earlier and
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// should not be in this list.
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virtual std::vector<uint16_t> GetAlgorithmPreferences() = 0;
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// Signs an |input| with the specified TLS signing algorithm. |input| is
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// the unhashed message to be signed. On success it returns OK and sets
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// |signature| to the resulting signature. Otherwise it returns a net error
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// code. It will only be called on the task runner passed to the owning
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// ThreadedSSLPrivateKey.
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virtual Error Sign(uint16_t algorithm,
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base::span<const uint8_t> input,
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std::vector<uint8_t>* signature) = 0;
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private:
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DISALLOW_COPY_AND_ASSIGN(Delegate);
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};
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ThreadedSSLPrivateKey(
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std::unique_ptr<Delegate> delegate,
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scoped_refptr<base::SingleThreadTaskRunner> task_runner);
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// SSLPrivateKey implementation.
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std::vector<uint16_t> GetAlgorithmPreferences() override;
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void Sign(uint16_t algorithm,
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base::span<const uint8_t> input,
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const SignCallback& callback) override;
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private:
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~ThreadedSSLPrivateKey() override;
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class Core;
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scoped_refptr<Core> core_;
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scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
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base::WeakPtrFactory<ThreadedSSLPrivateKey> weak_factory_;
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DISALLOW_COPY_AND_ASSIGN(ThreadedSSLPrivateKey);
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};
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} // namespace net
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#endif // NET_SSL_THREADED_SSL_PRIVATE_KEY_H_
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