$ ../gnu/src/cksum --version
cksum (GNU coreutils) 9.8.58-a2a2-modified
Copyright (C) 2025 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Written by Pádraig Brady and Q. Frank Xia.
$ echo "Test" | ../gnu/src/cksum --raw -a crc32b | xxd
00000000: fa78 1ac2 .x..
$ echo "Test" | ./target/debug/cksum --raw -a crc32b | xxd
00000000: 4202 1751 70 B..Qp
