Crypto++ licencing
Please CC me, I'm not subscribed to -legal...
Does anyone have any thoughts on the following licence? Specificall,
is the comment about placing code in the public domain (point 2)
restrictive in the DFSG sense and do the potential patent issues
(point 6) require anything other that uploading to non-US?
Compilation Copyright (c) 1995-2001 by Wei Dai. All rights reserved.
This copyright applies only to this particular software distribution
package, and does not imply a copyright on any particular file in
the package.
The following files are copyrighted by their respective original authors:
haval.cpp - Copyright 1992 Yuliang Zheng.
idea.cpp - Copyright 1992 Colin Plumb.
mars.cpp - Copyright 1998 Brian Gladman.
serpent.cpp - Copyright 1998, 1999 Brian Gladman and Sam Simpson.
All other files in this compilation are placed in the public domain by
Wei Dai and other contributors.
I would like to thank the following authors for placing their works into
the public domain:
Joan Daemen - 3way.cpp
Leonard Janke - cast.cpp, seal.cpp
Steve Reid - cast.cpp
Phil Karn - des.cpp
Michael Paul Johnson - diamond.cpp, sapphire.cpp
Andrew M. Kuchling - md2.cpp, md4.cpp
Colin Plumb - md5.cpp, md5mac.cpp
Chris Morgan - rijndael.cpp
Paulo Baretto - rijndael.cpp, skipjack.cpp, square.cpp
Richard De Moliner - safer.cpp
Matthew Skala - twofish.cpp
Permission to use, copy, modify, and distribute this compilation for
any purpose, including commercial applications, is hereby granted
without fee, subject to the following restrictions:
1. Any copy or modification of this compilation in any form, except
in object code form as part of an application software, must include
the above copyright notice and this license.
2. Users of this software agree that any modification or extension
they provide to Wei Dai will be considered public domain and not
copyrighted unless it includes an explicit copyright notice.
3. Wei Dai makes no warranty or representation that the operation of the
software in this compilation will be error-free, and Wei Dai is under no
obligation to provide any services, by way of maintenance, update, or
otherwise. THE SOFTWARE AND ANY DOCUMENTATION ARE PROVIDED "AS IS"
WITHOUT EXPRESS OR IMPLIED WARRANTY INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. IN NO EVENT WILL WEI DAI OR ANY OTHER CONTRIBUTOR BE LIABLE FOR
DIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES, EVEN IF
ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
4. Users will not use Wei Dai or any other contributor's name in any
publicity or advertising, without prior written consent in each case.
5. Export of this software from the United States may require a
specific license from the United States Government. It is the
responsibility of any person or organization contemplating export
to obtain such a license before exporting.
6. Certain parts of this software may be protected by patents. It
is the users' responsibility to obtain the appropriate
licenses before using those parts.
If this compilation is used in object code form in an application
software, acknowledgement of the author is not required but would be
appreciated. The contribution of any useful modifications or extensions
to Wei Dai is not required but would also be appreciated.
--
Stephen
"Farcical aquatic ceremonies are no basis for a system of government!"
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