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28dc98e343
This is pulled straight from: https://github.com/cr-marcstevens/sha1collisiondetection with no modifications yet (though I've pulled in only the subset of files necessary for Git to use). This is commit 007905a93c973f55b2daed6585f9f6c23545bf66. Further updates can be done like: git checkout -b vendor-sha1dc $this_commit cp /path/to/sha1dc/{LICENSE.txt,lib/*} sha1dc/ git add -A sha1dc git commit -m "update sha1dc" git checkout -b update-sha1dc origin git merge vendor-sha1dc Thanks to both Marc and Dan for making the code fit our needs by doing both optimization work, cutting down on the object size, and doing some syntactic changes to work better with git. And to Linus for kicking off the "diet" work that removed some of the unused code. The license of the sha1dc code is the MIT license, which is obviously compatible with the GPLv2 of git. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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30 lines
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MIT License
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Copyright (c) 2017:
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Marc Stevens
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Cryptology Group
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Centrum Wiskunde & Informatica
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P.O. Box 94079, 1090 GB Amsterdam, Netherlands
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marc@marc-stevens.nl
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Dan Shumow
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Microsoft Research
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danshu@microsoft.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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