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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CRYPTO_CRYPTO_MODULE_BLOCKING_PASSWORD_DELEGATE_H_
#define CRYPTO_CRYPTO_MODULE_BLOCKING_PASSWORD_DELEGATE_H_
#include <string>
namespace crypto {
// PK11_SetPasswordFunc is a global setting. An implementation of
// CryptoModuleBlockingPasswordDelegate should be passed as the user data
// argument (|wincx|) to relevant NSS functions, which the global password
// handler will call to do the actual work.
class CryptoModuleBlockingPasswordDelegate {
public:
virtual ~CryptoModuleBlockingPasswordDelegate() {}
// Requests a password to unlock |slot_name|. The interface is
// synchronous because NSS cannot issue an asynchronous
// request. |retry| is true if this is a request for the retry
// and we previously returned the wrong password.
// The implementation should set |*cancelled| to true if the user cancelled
// instead of entering a password, otherwise it should return the password the
// user entered.
virtual std::string RequestPassword(const std::string& slot_name, bool retry,
bool* cancelled) = 0;
};
} // namespace crypto
#endif // CRYPTO_CRYPTO_MODULE_BLOCKING_PASSWORD_DELEGATE_H_
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