> CRCs are designed to catch N-bit errors (ie N bits in a row with their
> values flipped). N is (IIRC) the number of bits in the CRC minus one.
> So, a 32-bit CRC can catch all 31-bit errors. That's the only guarantee
> a CRC gives. Everything else has a 1 in 2^32-1 chance of producing the
> same CRC as the original data. That's pretty good odds, but not a
> guarantee.
You've got a higher chance of undetected hard drive errors, memory errors,
solar flares, etc. than a CRC of that quality failing...
Chris
