[Hardware] Notes... The case for an open client
elektron_rc5 at yahoo.ca
Sun Aug 22 03:40:24 EDT 2004
> A CRC could be used instead of a sum for the residual. The CRC
> polynomial X^32+1 would be easy enough to implement in both hardware
> and software and offers the same distributive properties as addition.
> It would be nice if everyone used the same residual function but it's
> not absolutely necessary. The residual is used for local testing and
> random verification.
Isn't that just a rotate and XOR, anyway? (which isn't much better than
just a XOR either)
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