Yup, you're right. if you use a full size cryptographic hash then the number of undetected errors can be treated as 0 regardless of hamming distance. On the o

Yup, you're right. if you use a full size cryptographic hash then the number of undetected errors can be treated as 0 regardless of hamming distance. On the other hand, it has 8x the storage overhead of a 32-bit CRC.