Panda3D
|
00001 // Filename: encryptStream.h 00002 // Created by: drose (01Sep04) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef ENCRYPTSTREAM_H 00016 #define ENCRYPTSTREAM_H 00017 00018 #include "dtoolbase.h" 00019 00020 // This module is not compiled if OpenSSL is not available. 00021 #ifdef HAVE_OPENSSL 00022 00023 #include "encryptStreamBuf.h" 00024 00025 //////////////////////////////////////////////////////////////////// 00026 // Class : IDecryptStream 00027 // Description : An input stream object that uses OpenSSL to decrypt 00028 // the input from another source stream on-the-fly. 00029 // 00030 // Attach an IDecryptStream to an existing istream that 00031 // provides encrypted data, as generated by an 00032 // OEncryptStream, and read the corresponding 00033 // unencrypted data from the IDecryptStream. 00034 // 00035 // Seeking is not supported. 00036 //////////////////////////////////////////////////////////////////// 00037 class EXPCL_DTOOLCONFIG IDecryptStream : public istream { 00038 PUBLISHED: 00039 INLINE IDecryptStream(); 00040 INLINE IDecryptStream(istream *source, bool owns_source, 00041 const string &password); 00042 00043 INLINE IDecryptStream &open(istream *source, bool owns_source, 00044 const string &password); 00045 INLINE IDecryptStream &close(); 00046 00047 INLINE const string &get_algorithm() const; 00048 INLINE int get_key_length() const; 00049 INLINE int get_iteration_count() const; 00050 00051 private: 00052 EncryptStreamBuf _buf; 00053 }; 00054 00055 //////////////////////////////////////////////////////////////////// 00056 // Class : OEncryptStream 00057 // Description : An input stream object that uses OpenSSL to encrypt 00058 // data to another destination stream on-the-fly. 00059 // 00060 // Attach an OEncryptStream to an existing ostream that 00061 // will accept encrypted data, and write your 00062 // unencrypted source data to the OEncryptStream. 00063 // 00064 // Seeking is not supported. 00065 //////////////////////////////////////////////////////////////////// 00066 class EXPCL_DTOOLCONFIG OEncryptStream : public ostream { 00067 PUBLISHED: 00068 INLINE OEncryptStream(); 00069 INLINE OEncryptStream(ostream *dest, bool owns_dest, 00070 const string &password); 00071 00072 INLINE OEncryptStream &open(ostream *dest, bool owns_dest, 00073 const string &password); 00074 INLINE OEncryptStream &close(); 00075 00076 INLINE void set_algorithm(const string &algorithm); 00077 INLINE void set_key_length(int key_length); 00078 INLINE void set_iteration_count(int iteration_count); 00079 00080 private: 00081 EncryptStreamBuf _buf; 00082 }; 00083 00084 #include "encryptStream.I" 00085 00086 #endif // HAVE_OPENSSL 00087 00088 00089 #endif 00090 00091