| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef _DECAF_INTERNAL_SECURITY_SECURERANDOMIMPL_H_ |
| #define _DECAF_INTERNAL_SECURITY_SECURERANDOMIMPL_H_ |
| |
| #include <decaf/util/Config.h> |
| |
| #include <decaf/security/SecureRandomSpi.h> |
| |
| namespace decaf { |
| namespace internal { |
| namespace security { |
| |
| class SRNGData; |
| |
| /** |
| * Secure Random Number Generator for Unix based platforms that attempts to obtain |
| * secure bytes with high entropy from known sources. If the platform does not have |
| * a source of secure bytes then the platform random number generator is used if one |
| * exists otherwise the Decaf RNG is used as a last resort. |
| * |
| * @since 1.0 |
| */ |
| class DECAF_API SecureRandomImpl : public decaf::security::SecureRandomSpi { |
| private: |
| |
| SecureRandomImpl( const SecureRandomImpl& ); |
| SecureRandomImpl& operator= ( const SecureRandomImpl& ); |
| |
| private: |
| |
| SRNGData* config; |
| |
| public: |
| |
| SecureRandomImpl(); |
| |
| virtual ~SecureRandomImpl(); |
| |
| virtual void providerSetSeed( const unsigned char* seed, int size ); |
| |
| virtual void providerNextBytes( unsigned char* bytes, int numBytes ); |
| |
| virtual unsigned char* providerGenerateSeed( int numBytes ); |
| |
| }; |
| |
| }}} |
| |
| #endif /* _DECAF_INTERNAL_SECURITY_SECURERANDOMIMPL_H_ */ |