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neopunisher/md5collext.sh

Created July 15, 2013 13:43
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Test md5 hash collision and message extension
Raw
md5collext.sh
wget http://marc-stevens.nl/research/md5-1block-collision/message1.bin
wget http://marc-stevens.nl/research/md5-1block-collision/message2.bin
md5sum *.bin
#008ee33a9d58b51cfeb425b0959121c9 message1.bin
#008ee33a9d58b51cfeb425b0959121c9 message2.bin
echo "some extra" > extra.txt
cat message1.bin extra.txt | md5sum
#c4dda4dbd429421349c0ca6172cc2e95
cat message2.bin extra.txt | md5sum
#c4dda4dbd429421349c0ca6172cc2e95
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