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Re: Software license used for SHA-2 reference code

Steve Langasek <vorlon@debian.org> writes:

> Hi Simon,
> On Fri, Feb 17, 2006 at 10:22:32AM +0100, Simon Josefsson wrote:
>> Hi.  A newly approved IETF document contains reference code for SHA-2,
>> and they propose to use the following license:
>> 1.1 License
>>    Royalty free license to copy and use this software is granted,
>>    provided that redistributed derivative works do not contain
>>    misleading author or version information.  Royalty free license is
>>    also granted to make and use derivative works provided that such
>>    works are identified as derived from this work.
>>    The authors make no representations concerning either the
>>    merchantability of this software or the suitability of this software
>>    for any particular purpose. It is provided "as is" without express or
>>    implied warranty of any kind.
>> Is this DFSG-free?
>> I'm sorry that I'm asking for licenses on a piece of work that is not
>> targeted for inclusion into Debian at this point.  However, I suspect
>> that the reference code in this RFC will end up in several projects
>> sooner or later.  It is only now we have an opportunity to influence
>> the license chosen.
>> Please try to be conservative in proposing fixes to the license.
> The license grants permission to use, copy, create derivative works, and
> redistribute.  The only stipulations are that the original author be
> credited, and derivative works be labeled; and there's a warranty
> disclaimer.  I think this is clearly DFSG-compliant.

Excellent, thanks Steve!  FWIW, I agree that it is a free license.

I've forwarded this to the original authors.


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