1 // Copyright (c) 2012 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 8 #include <string> 9 10 namespace crypto { 11 12 // PK11_SetPasswordFunc is a global setting. An implementation of 13 // CryptoModuleBlockingPasswordDelegate should be passed as the user data 14 // argument (|wincx|) to relevant NSS functions, which the global password 15 // handler will call to do the actual work. 16 class CryptoModuleBlockingPasswordDelegate { 17 public: 18 virtual ~CryptoModuleBlockingPasswordDelegate() {} 19 20 // Requests a password to unlock |slot_name|. The interface is 21 // synchronous because NSS cannot issue an asynchronous 22 // request. |retry| is true if this is a request for the retry 23 // and we previously returned the wrong password. 24 // The implementation should set |*cancelled| to true if the user cancelled 25 // instead of entering a password, otherwise it should return the password the 26 // user entered. 27 virtual std::string RequestPassword(const std::string& slot_name, bool retry, 28 bool* cancelled) = 0; 29 }; 30 31 } // namespace crypto 32 33 #endif // CRYPTO_CRYPTO_MODULE_BLOCKING_PASSWORD_DELEGATE_H_ 34
