110 lines
3.1 KiB
C
110 lines
3.1 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file encryptStream.h
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* @author drose
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* @date 2004-09-01
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*/
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#ifndef ENCRYPTSTREAM_H
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#define ENCRYPTSTREAM_H
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#include "dtoolbase.h"
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// This module is not compiled if OpenSSL is not available.
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#ifdef HAVE_OPENSSL
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#include "encryptStreamBuf.h"
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/**
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* An input stream object that uses OpenSSL to decrypt the input from another
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* source stream on-the-fly.
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*
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* Attach an IDecryptStream to an existing istream that provides encrypted
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* data, as generated by an OEncryptStream, and read the corresponding
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* unencrypted data from the IDecryptStream.
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*
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* Seeking is not supported.
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*/
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class EXPCL_DTOOL_PRC IDecryptStream : public std::istream {
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PUBLISHED:
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INLINE IDecryptStream();
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INLINE explicit IDecryptStream(std::istream *source, bool owns_source,
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const std::string &password);
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#if _MSC_VER >= 1800
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INLINE IDecryptStream(const IDecryptStream ©) = delete;
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#endif
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INLINE IDecryptStream &open(std::istream *source, bool owns_source,
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const std::string &password);
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INLINE IDecryptStream &close();
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INLINE const std::string &get_algorithm() const;
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INLINE int get_key_length() const;
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INLINE int get_iteration_count() const;
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MAKE_PROPERTY(algorithm, get_algorithm);
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MAKE_PROPERTY(key_length, get_key_length);
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MAKE_PROPERTY(iteration_count, get_iteration_count);
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public:
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bool read_magic(const char *magic, size_t size);
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private:
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EncryptStreamBuf _buf;
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};
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/**
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* An input stream object that uses OpenSSL to encrypt data to another
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* destination stream on-the-fly.
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*
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* Attach an OEncryptStream to an existing ostream that will accept encrypted
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* data, and write your unencrypted source data to the OEncryptStream.
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*
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* Seeking is not supported.
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*/
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class EXPCL_DTOOL_PRC OEncryptStream : public std::ostream {
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PUBLISHED:
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INLINE OEncryptStream();
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INLINE explicit OEncryptStream(std::ostream *dest, bool owns_dest,
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const std::string &password);
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#if _MSC_VER >= 1800
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INLINE OEncryptStream(const OEncryptStream ©) = delete;
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#endif
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INLINE OEncryptStream &open(std::ostream *dest, bool owns_dest,
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const std::string &password);
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INLINE OEncryptStream &close();
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public:
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INLINE const std::string &get_algorithm() const;
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INLINE int get_key_length() const;
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INLINE int get_iteration_count() const;
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PUBLISHED:
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INLINE void set_algorithm(const std::string &algorithm);
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INLINE void set_key_length(int key_length);
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INLINE void set_iteration_count(int iteration_count);
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MAKE_PROPERTY(algorithm, get_algorithm, set_algorithm);
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MAKE_PROPERTY(key_length, get_key_length, set_key_length);
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MAKE_PROPERTY(iteration_count, get_iteration_count, set_iteration_count);
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private:
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EncryptStreamBuf _buf;
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};
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#include "encryptStream.I"
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#endif // HAVE_OPENSSL
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#endif
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