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/indra/llmessage/llnullcipher.h

https://bitbucket.org/lindenlab/viewer-beta/
C++ Header | 48 lines | 13 code | 5 blank | 30 comment | 0 complexity | 637474630b365f7e4fd68552c375eb5b MD5 | raw file
Possible License(s): LGPL-2.1
  1. /**
  2. * @file llnullcipher.h
  3. *
  4. * $LicenseInfo:firstyear=2003&license=viewerlgpl$
  5. * Second Life Viewer Source Code
  6. * Copyright (C) 2010, Linden Research, Inc.
  7. *
  8. * This library is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU Lesser General Public
  10. * License as published by the Free Software Foundation;
  11. * version 2.1 of the License only.
  12. *
  13. * This library is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16. * Lesser General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU Lesser General Public
  19. * License along with this library; if not, write to the Free Software
  20. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21. *
  22. * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
  23. * $/LicenseInfo$
  24. */
  25. #ifndef LLNULLCIPHER_H
  26. #define LLNULLCIPHER_H
  27. #include "llcipher.h"
  28. //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  29. // Class LLNullCipher
  30. //
  31. // A class which implements LLCipher, but does not transform src
  32. // during encryption.
  33. //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  34. class LLNullCipher : public LLCipher
  35. {
  36. public:
  37. LLNullCipher() {}
  38. virtual ~LLNullCipher() {}
  39. virtual U32 encrypt(const U8* src, U32 src_len, U8* dst, U32 dst_len);
  40. virtual U32 decrypt(const U8* src, U32 src_len, U8* dst, U32 dst_len);
  41. virtual U32 requiredEncryptionSpace(U32 src_len) const;
  42. };
  43. #endif