1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CRYPTO_CRYPTO_MODULE_BLOCKING_PASSWORD_DELEGATE_H_ 6 #define CRYPTO_CRYPTO_MODULE_BLOCKING_PASSWORD_DELEGATE_H_ 7 #pragma once 8 9 #include <string> 10 11 namespace crypto { 12 13 // PK11_SetPasswordFunc is a global setting. An implementation of 14 // CryptoModuleBlockingPasswordDelegate should be passed as the user data 15 // argument (|wincx|) to relevant NSS functions, which the global password 16 // handler will call to do the actual work. 17 class CryptoModuleBlockingPasswordDelegate { 18 public: ~CryptoModuleBlockingPasswordDelegate()19 virtual ~CryptoModuleBlockingPasswordDelegate() {} 20 21 // Requests a password to unlock |slot_name|. The interface is 22 // synchronous because NSS cannot issue an asynchronous 23 // request. |retry| is true if this is a request for the retry 24 // and we previously returned the wrong password. 25 // The implementation should set |*cancelled| to true if the user cancelled 26 // instead of entering a password, otherwise it should return the password the 27 // user entered. 28 virtual std::string RequestPassword(const std::string& slot_name, bool retry, 29 bool* cancelled) = 0; 30 }; 31 32 } // namespace crypto 33 34 #endif // CRYPTO_CRYPTO_MODULE_BLOCKING_PASSWORD_DELEGATE_H_ 35