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What kind of licence is MD5 under? Can it be used in properterial software?
- I don't believe MD5 is patented, so you wouldn't need a license to use it. You might need a license to use Rivest's source code (in the RFC), though, since it's copyrighted. Some pieces of proprietary software (such as mIRC) use various prewritten libraries to perform MD5 hashing, so you might be able to use one of those libraries. -- Olathe November 17, 2003
"md5-announcement.txt" is the announcement from RSA Data Security that MD5 is being placed in the public domain for free general use. Anyone may write a program implementing the MD5 algorithm for any purpose.
RSA has written a reference implementation which is the source code in this directory. This source code is copyrighted by RSA. Here are the few copyright restrictions *with using this source code*. There is no restriction on any code which implements MD5 that you write yourself.
RSA's MD5 disclaimer
Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All rights reserved.
License to copy and use this software is granted provided that it is identified as the "RSA Data Security, Inc. MD5 Message-Digest Algorithm" in all material mentioning or referencing this software or this function.
License is also granted to make and use derivative works provided that such works are identified as "derived from the RSA Data Security, Inc. MD5 Message-Digest Algorithm" in all material mentioning or referencing the derived work.
RSA Data Security, Inc. makes 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.
These notices must be retained in any copies of any part of this documentation and/or software.
Link to IBM p690 is broken
I am just trying to report a broken link IBM p690. According to IBM (http://www-03.ibm.com/servers/eserver/pseries/hardware/highend/p690.html) the p690 series is no longer on the market.