00001 /* 00002 * Copyright (c) 2004 Beeyond Software Holding BV 00003 * 00004 * This library is free software; you can redistribute it and/or 00005 * modify it under the terms of the GNU Lesser General Public 00006 * License as published by the Free Software Foundation; either 00007 * version 2.1 of the License, or (at your option) any later version. 00008 * 00009 * This library is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 * Lesser General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU Lesser General Public 00015 * License along with this library; if not, write to the Free Software 00016 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00017 */ 00018 00023 #ifndef _CLASS_SECURERANDOM_H 00024 #define _CLASS_SECURERANDOM_H 00025 00026 #include "beecrypt/beecrypt.h" 00027 00028 #ifdef __cplusplus 00029 00030 #include "beecrypt/c++/lang/Object.h" 00031 using beecrypt::lang::Object; 00032 #include "beecrypt/c++/security/SecureRandomSpi.h" 00033 using beecrypt::security::SecureRandomSpi; 00034 #include "beecrypt/c++/security/Provider.h" 00035 using beecrypt::security::Provider; 00036 #include "beecrypt/c++/security/NoSuchAlgorithmException.h" 00037 using beecrypt::security::NoSuchAlgorithmException; 00038 #include "beecrypt/c++/security/NoSuchProviderException.h" 00039 using beecrypt::security::NoSuchProviderException; 00040 00041 namespace beecrypt { 00042 namespace security { 00045 class BEECRYPTCXXAPI SecureRandom : public beecrypt::lang::Object 00046 { 00047 public: 00048 static SecureRandom* getInstance(const String& type) throw (NoSuchAlgorithmException); 00049 static SecureRandom* getInstance(const String& type, const String& provider) throw (NoSuchAlgorithmException, NoSuchProviderException); 00050 static SecureRandom* getInstance(const String& type, const Provider& provider) throw (NoSuchAlgorithmException); 00051 00052 static void getSeed(byte*, size_t); 00053 00054 private: 00055 SecureRandomSpi* _rspi; 00056 const Provider* _prov; 00057 String _type; 00058 00059 protected: 00060 SecureRandom(SecureRandomSpi* spi, const Provider* provider, const String& type); 00061 00062 public: 00063 SecureRandom(); 00064 virtual ~SecureRandom(); 00065 00066 void generateSeed(byte*, size_t); 00067 void nextBytes(byte*, size_t); 00068 void setSeed(const byte*, size_t); 00069 00070 const String& getType() const throw (); 00071 const Provider& getProvider() const throw (); 00072 }; 00073 } 00074 } 00075 00076 #endif 00077 00078 #endif