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77 lines
2.3 KiB
C++
77 lines
2.3 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/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 "base/strings/string_piece.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 digests that are supported by the key in decreasing
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// preference. This method must be callable on any thread.
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virtual std::vector<SSLPrivateKey::Hash> GetDigestPreferences() = 0;
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// Signs |input| as a digest of type |hash|. On success it returns OK and
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// sets |signature| to the resulting signature. Otherwise it returns a net
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// error code. It will only be called on the task runner passed to the
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// owning ThreadedSSLPrivateKey.
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virtual Error SignDigest(Hash hash,
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const base::StringPiece& 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<SSLPrivateKey::Hash> GetDigestPreferences() override;
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void SignDigest(Hash hash,
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const base::StringPiece& 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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