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Tweaking CRCsby no_slogan (Deacon) |
on Sep 13, 2001 at 01:42 UTC ( [id://112031]=note: print w/replies, xml ) | Need Help?? |
Are you saying that given a size and a target CRC checksum other than zero, it's easy to compose a message of length size that produces the target checksum?Yes. Also, if you know the CRC of some data, you can calculate the CRC of "data xor something", even if you don't know what the data was!
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